All explanations are written and maintained by ordinary users like you! Please help us finish the explanations in this pool.
What is the fundamental concept of the GMDSS?
GMDSS utilizes automated systems and satellite technology to improve emergency communications for the world’s shipping industry. (0% chose this)
It is intended to automate and improve existing digital selective calling procedures and techniques. (0% chose this)
It is intended to provide more effective but lower cost commercial communications. (0% chose this)
It is intended to provide compulsory vessels with a collision avoidance system when they are operating in waters that are also occupied by non-compulsory vessels. (0% chose this)
Shoreside authorities will rely on reports from nearby vessels to become aware of Distress alerts. (0% chose this)
Shoreside authorities and vessels can assist in a coordinated SAR operation only after the correct chain of DSC relays takes place. (0% chose this)
SAR authorities ashore can be alerted to a Distress situation & shipping in the vicinity can be requested to participate in SAR operations. (0% chose this)
SAR authorities ashore wait to have EPIRB Distress alerts confirmed by satellite follow-on communications. (0% chose this)
Ship-to-ship Distress communications using MF or HF radiotelephony. (0% chose this)
VHF digital selective calling from ship to shore. (0% chose this)
Distress, Urgency and Safety communications carried out by the use of narrow-band direct printing telegraphy. (0% chose this)
The linking of search and rescue authorities ashore with shipping in the immediate vicinity of a ship in Distress or in need of assistance. (0% chose this)
If a vessel is engaged in local trade and at no point in its voyage travels outside the range of a VHF shore station with continuous DSC alerting then the vessel is operating in what area?
What is defined as an area, excluding sea areas A1 and A2, within the coverage of an Inmarsat geostationary satellite in which continuous alerting is available?
Ocean Area Regions AOR-E, AOR-W, POR or IOR (0% chose this)
What is defined as the area within the radiotelephone coverage area of at least one VHF coast station in which continuous DSC alerting is available as defined by the IMO regulation for GMDSS?
Ocean Area Regions AOR-E, AOR-W, POR or IOR (0% chose this)
Which of the following is a functional or carriage requirement for compulsory vessels?
A compulsory vessel must carry at least two (2) FCC licensed GMDSS Radio Operators in all sea areas as well as a GMDSS Maintainer in sea areas A3 & A4. (0% chose this)
A compulsory vessel must satisfy certain equipment carriage requirements based on the intended sea area of operation. (0% chose this)
A compulsory vessel must be able to transmit and respond to Distress alerts and carry only one (1) FCC licensed GMDSS Radio Operator in sea areas A1 & A2. (0% chose this)
None of these answers are correct. (0% chose this)
GMDSS-equipped ships will be required to perform which of the following communications functions?
Distress alerting, MSI, SAR and On-scene communications & receipt of satellite alerts from other vessels. (0% chose this)
SAR and On-scene communications, Bridge-to-Bridge and general radio communications, MSI and relay of satellite alerts from other vessels. (0% chose this)
Bridge-to-Bridge and general radio communications, RDF of EPIRB homing signals, Distress alerting and MSI. (0% chose this)
Transmit distress alerts, SAR and On-scene communications, MSI, Bridge-to-Bridge and general radio communications. (0% chose this)
Which statement is true regarding a vessel equipped with GMDSS equipment that will remain in Sea Area A1 at all times?
The vessel must be provided with a radio installation capable of initiating the transmission of ship-to-shore Distress alerting from the position from which the ship is normally navigated. (0% chose this)
VHF DSC alerting may be the sole means of Distress alerting. (0% chose this)
HF or MF DSC may satisfy the equipment requirement. (0% chose this)
HF SSB with 2182 kHz automatic alarm generator may satisfy the equipment requirement. (0% chose this)
What is the equipment carriage requirement for survival craft under GMDSS?
At least three SCT units and two SARTs on every cargo ship between 300-500 gross tons and the same on all passenger ships regardless of tonnage. (0% chose this)
At least three SCT units and two SARTs on every passenger ship and cargo ships of 500 gross tons and upwards. (0% chose this)
At least two radar transponders must be carried on every cargo ship of 300-500 gross tons and two radar transponders (one for each side) of every passenger ship regardless of tonnage. (0% chose this)
All cargo vessels above 300 gross tons and every passenger ship regardless of tonnage must carry three SCT units and two SARTs. (0% chose this)
Which of the following statements concerning maintenance requirements is FALSE?
Compulsory vessels sailing in Sea Areas A1 and A2 must provide any one of the three maintenance options which are: duplication of equipment, shore-based, or at-sea maintenance capability. (0% chose this)
Compulsory vessels sailing in Sea Areas A3 and A4 must provide any two of the three maintenance options which: are duplication of equipment, shore-based, or at-sea maintenance capability. (0% chose this)
Equipment warranties do not satisfy GMDSS maintenance requirements. (0% chose this)
If shore-based maintenance is used, maintenance services do not have to be completed or performance verified unless the vessel will be sailing to a non-US port. (0% chose this)
Which of the following statements concerning GMDSS maintenance requirements is true?
The options are duplication of equipment, at-sea maintenance, and shore-based maintenance. (0% chose this)
Compulsory vessels between 300-500 gross tons are required only to provide one maintenance option, while compulsory vessels larger than 500 gross tons and all passenger vessels are required to provide any two of the three maintenance options. (0% chose this)
The "at-sea" maintenance may be waived if the compulsory vessel carries at least three licensed GMDSS Radio Operators. (0% chose this)
Compulsory vessels operating in Sea Area A4 are required to carry at least one licensed GMDSS Radio Maintainer. (0% chose this)
What statement is correct regarding the maintenance requirements for A3 ships under GMDSS?
If the vessel selects at-sea maintenance no additional parts and spares are required. (0% chose this)
On-board maintenance provided by a person holding a GMDSS Maintainer's license will fully meet the requirements. (0% chose this)
Redundancy of functions of certain equipment and on-board maintenance provided by a person holding a GMDSS Maintainer's license will partially meet this requirement. (0% chose this)
Shoreside maintenance and scheduled tests and inspections will not partially meet this requirement. (0% chose this)
How often must a compulsory vessel's GMDSS radio station be inspected?
Annually, by the FCC or designated authority. (0% chose this)
Annually, by the U.S. Coast Guard. (0% chose this)
Annually, by the FCC, and every six months if the vessel sails outside of Sea Areas A1 and A2. (0% chose this)
The FCC's annual inspection may be waived if and only if monthly inspections are performed by the vessel's on-board GMDSS Radio Maintainer. (0% chose this)
Which statement is FALSE regarding a GMDSS-equipped ship?
A conditional or partial exemption may be granted, in exceptional circumstances, for a single voyage outside the sea area for which the vessel is equipped. (0% chose this)
The regulations apply to all passenger ships regardless of size and cargo ships of 300 gross tons and upwards. (0% chose this)
Ships must have the required equipment inspected at least once every five years. (0% chose this)
Ships must carry at least two persons holding a GMDSS Radio Operator's license for Distress and Safety radio-communications purposes. (0% chose this)
Which statement is FALSE regarding a GMDSS equipped ship?
Ships must have the required equipment inspected at least once every 12 months. (0% chose this)
The regulations apply to all passenger ships regardless of size and cargo ships of 300 gross tons and upwards. (0% chose this)
Ships must carry at least two persons holding a GMDSS Radio Operator's license for Distress and Safety radio-communications purposes. (0% chose this)
A conditional or partial exemption may not be granted, in exceptional circumstances, for a single voyage outside the sea area for which the ship is equipped. (0% chose this)
All required documents and publications might have to be produced and GMDSS operators may be required to demonstrate equipment competencies. (0% chose this)
Licensed GMDSS operators may not be required to demonstrate equipment competencies but all required equipment must be fully operational. (0% chose this)
All required equipment must be fully operational and any required publications that are not current must be on order. (0% chose this)
GMDSS operators may be required to demonstrate equipment competencies and any of required equipment that is not fully operational can be repaired at the next port of call as long as there is functional duplication. (0% chose this)
Which of the following documents or publications are required by Part 80 of the FCC rules for vessels on international voyages (other than the Great Lakes)?
Appropriate Safety Convention Certificate, ITU Master Plan of GMDSS Coast stations, and ITU manual for Maritime Mobile stations. (0% chose this)
ITU Master Plan of GMDSS Coast stations, ITU manual for Maritime Mobile stations, ITU List IV & List V. (0% chose this)
ITU List IV & List V, Appropriate Safety Convention Certificate & ITU manual for Maritime Mobile stations. (0% chose this)
ITU List IV & List V, Appropriate Safety Convention Certificate & IMO manual for Maritime Mobile stations. (0% chose this)
Which statement is true regarding the maintenance of GMDSS equipment at sea?
The GMDSS maintainer may also be the person designated to have primary responsibility for radio- communications during Distress incidents if licensed as an operator. (0% chose this)
Ships must carry at least two persons who qualify as a GMDSS maintainer for the maintenance and repair of equipment if the at-sea maintenance option is selected. (0% chose this)
All at-sea maintenance and repairs must be performed by, or under the supervision of a person holding a GMDSS Maintainer license or GMDSS Operator license. (0% chose this)
The GMDSS maintainer may not be the person responsible for ensuring that the watches are properly maintained and that the proper guard channels and the vessel's position are entered into the DSC equipment. (0% chose this)
What are the conditions, under GMDSS, whereby a ship is NOT allowed to depart from any port?
The vessel is carrying more than the required number of qualified GMDSS radio operators. (0% chose this)
The vessel is not capable of performing all required Distress and Safety functions. (0% chose this)
The vessel has a temporary waiver of its radio license and Safety Certificate. (0% chose this)
The vessel is not carrying a GMDSS radio maintainer, but has provided for shoreside maintenance plus duplication of equipment if required. (0% chose this)
Which of the following statements concerning GMDSS Radio Operator requirements is FALSE?
Each compulsory vessel must carry at least two licensed GMDSS Radio Operators at all times while at sea. (0% chose this)
Each compulsory vessel must carry at least two licensed GMDSS Radio Operators at all times while at sea and may elect to carry a GMDSS Radio Maintainer as well. (0% chose this)
All communications involving Safety of life at sea must be logged as long as the compulsory vessel was not involved in such communications. (0% chose this)
While at sea, adjustments to, and the maintaining of, GMDSS equipment may be performed by the GMDSS Radio Operator as long as the work is supervised by an on-board licensed GMDSS Radio Maintainer. (0% chose this)
Which FCC license meets the requirements to perform or supervise the performance of at-sea adjustments, servicing, or maintenance which may affect the proper operation of the GMDSS station?
General Radiotelephone Operator’s License with Shipboard RADAR endorsement. (0% chose this)
Marine Radio Operator’s Permit or GMDSS Maintainer’s license. (0% chose this)
GMDSS Radio Operator’s license or Marine Radio Operator’s Permit. (0% chose this)
GMDSS Operator’s/Maintainer’s license or GMDSS Maintainer’s license. (0% chose this)
Which statement is FALSE regarding the radio operator requirements for a GMDSS-equipped ship station?
Maintaining a record of all incidents connected with the radio-communications service that appear to be of importance to Safety of life at sea is not required. (0% chose this)
One of the qualified GMDSS radio operators must be designated to have primary responsibility for radio- communications during Distress incidents. (0% chose this)
A qualified GMDSS radio operator, and a qualified backup, must be designated to perform Distress, Urgency and Safety communications. (0% chose this)
While at sea, all adjustments or radio installations, servicing or maintenance of such installations that may affect the proper operation of the GMDSS station must be performed by, or under the supervision of, a qualified GMDSS radio maintainer. (0% chose this)
Which of the following are personnel, functional, or equipment FCC requirements of the GMDSS?
One FCC licensed GMDSS radio operator in sea areas A1 & A2, two FCC licensed GMDSS radio operators in sea areas A3 & A4 and equipment carriage based on intended sea area of operations. (0% chose this)
Distress alerting and response, two USCG STCW GMDSS watchstanders, equipment carriage based on intended sea area of operations. (0% chose this)
Equipment carriage reduced for sea areas A3 & A4, Distress alerting and response and two FCC licensed GMDSS radio operators. (0% chose this)
Equipment carriage based on intended sea area of operations, distress alerting and response and two FCC licensed GMDSS radio operators. (0% chose this)
Which statement is FALSE regarding the GMDSS requirement for ship sources of energy?
The reserve sources of energy need to supply independent MF and HF radio installations at the same time. (0% chose this)
At all times while the vessel is at sea, a sufficient supply of electrical energy to operate the radio installations and charge any batteries which may be part of the reserve source of energy is required. (0% chose this)
An uninterruptible power supply or other means of ensuring a continuous supply of electrical power to all GMDSS equipment that could be affected by normal variations and interruptions of ship's power is required. (0% chose this)
If a vessel’s position is constantly required for the proper performance of a GMDSS station, provisions must be made to ensure position information is uninterrupted if the ship’s source of main or emergency energy fails. (0% chose this)
Which of the following terms is defined as a back-up power source that provides power to radio installations for the purpose of conducting Distress and Safety communications when the vessel's main and emergency generators cannot?
Emergency Diesel Generator (EDG) (0% chose this)
Reserve Source of Energy (RSE) (0% chose this)
Reserve Source of Diesel Power (RSDP) (0% chose this)
Monitoring all required frequencies in the proper mode, setting the DSC scanner to 2 MHz, 4 MHZ and 8 MHz for ships in the vicinity, notifying the Master of any Distress alerts. (0% chose this)
After silencing an alarm all displays and/or printouts are read, monitoring all required frequencies in the proper mode, notifying the Master of any Distress alerts. (0% chose this)
Notifying the Master of any Distress alerts, setting the DSC scanner to 2 MHz, 4 MHZ and 8 MHz for ships in the vicinity, monitoring all required frequencies in the proper mode. (0% chose this)
Setting the DSC scanner only to the mandatory 2 MHz & 8 MHz, maintain continuous watch on 2182.0 kHz or 4125.0 kHz, notify the Master of any Distress traffic heard. (0% chose this)
Understanding normal operational indicators, setting the DSC scanner frequencies to minimize alarms, maintaining a proper log. (0% chose this)
Maintaining a proper GMDSS radio station log, understanding normal operational indicators, responding to and comprehending alarms. (0% chose this)
Responding to and comprehending alarms, logging out of Inmarsat-C terminals while at sea, maintaining a proper GMDSS radio station log. (0% chose this)
Maintaining a proper GMDSS radio station log, setting the DSC scanner frequencies to minimize alarms, logging out of Inmarsat-C terminals while at sea. (0% chose this)
Which is true concerning a required watch on VHF Ch-16?
When a vessel is in an A1 sea area and subject to the Bridge-to-Bridge act and in a VTS system, a watch is required on Ch-16 in addition to both Ch-13 and the VTS channel. (0% chose this)
It is not compulsory at all times while at sea until further notice, unless the vessel is in a VTS system. (0% chose this)
When a vessel is in an A1 sea area and subject to the Bridge-to-Bridge act and in a VTS system, a watch is not required on Ch-16 provided the vessel monitors both Ch-13 and the VTS channel. (0% chose this)
It is not always compulsory in sea areas A2, A3 and A4. (0% chose this)
Which of the following logkeeping statements is FALSE?
Entries of all company communications using GMDSS satellite equipment are required. (0% chose this)
Entries relating to pre-voyage, pre-departure and daily tests are required. (0% chose this)
A summary of all Distress communications heard and Urgency communications affecting the station’s own ship. Also, all Safety communications (other than VHF) affecting the station’s own ship must be logged. (0% chose this)
Entries related to failures of compulsory equipment are required. (0% chose this)
What sequence best describes an MF-HF DSC Distress Alert transmission?
Vessel name, Distress priority code, vessel position & time, nature of Distress, (0% chose this)
A string of dots to stop the DSC scanner, vessel MMSI, vessel position & time, nature of Distress, frequency for follow-on communications. (0% chose this)
Vessel MMSI, frequency & emission for follow-on communications, vessel position & time, Distress priority code. (0% chose this)
A string of dots to stop the DSC scanner, Distress priority code, vessel MMSI, vessel position & time, emission for follow-on communications, DSC frequency. (0% chose this)
Which of the following statements concerning DSC equipment is true?
The GMDSS Radio Operator is not responsible for properly selecting HF DSC guard channels because they are done automatically by the watch receiver. (0% chose this)
All equipment must be type accepted by Inmarsat. (0% chose this)
The vessel's navigational position must be updated, either automatically or manually, no less often than every four (4) hours. (0% chose this)
The GMDSS Radio Operator is responsible for properly selecting VHF & MF DSC guard channels but the HF frequencies are done automatically by the watch receiver. (0% chose this)
What is the action that a GMDSS Radio Operator should take when a DSC Distress alert is received requesting J3E?
No action is necessary, as the DSC control unit will automatically switch to the SITOR (NBDP) follow-on communications frequency. (0% chose this)
The Operator should immediately set continuous watch on VHF channel 70. (0% chose this)
The Operator should immediately set continuous watch on the SITOR (NBDP) frequency that is associated with frequency band on which the Distress alert was received. (0% chose this)
The Operator should immediately set continuous watch on the radiotelephone frequency that is associated with frequency band on which the Distress alert was received. (0% chose this)
What does the DSC control unit do if the GMDSS Radio Operator fails to insert updated information when initiating a DSC Distress alert?
It will initiate the DSC Distress alert and default information will automatically be transmitted. (0% chose this)
It will abort the transmission and set off an audible alarm that must be manually reset. (0% chose this)
It will initiate the DSC Distress alert but, as no information will be transmitted, rescue personnel will not be able to identify the vessel, its position, or its situation. (0% chose this)
It will initiate the DSC Distress alert, but any station receiving it will have to establish contact with the distressed vessel to determine its identity, position, and situation. (0% chose this)
Which of the following statements is true regarding Distress alerting under GMDSS?
Ship to shore Distress alerts are used to alert other ships in port of navigational hazards. (0% chose this)
The Distress alert should identify the station in Distress and its position & time of position update. Also, the alert may include the nature of the Distress, the type of assistance required, or the course and speed of the mobile unit. (0% chose this)
Ship-to-ship Distress alerts are used to alert other ships in the vicinity of navigational hazards and bad weather. (0% chose this)
The vessel nearest to the emergency must notify the Coast Guard before leaving the vicinity. (0% chose this)
Which statement regarding an MF/HF DSC Distress alert is true:
Follow on communications should be presumed to take place on the SITOR (NBDP) frequency associated with the specific DSC frequency used. (0% chose this)
Follow on communications should be presumed to take place on the voice frequency associated with the specific DSC frequency used. (0% chose this)
An alternate emission and frequency may be specified for follow-up communications by the vessel in the original Distress alert. (0% chose this)
Both the nature of Distress and the alternate emission and frequency must be specified for follow-up communications in the original Distress alert. (0% chose this)
Which statement is true regarding the receipt and acknowledgement of actual Distress follow-on communications by GMDSS ship stations?
Ship stations in receipt of Distress alert should not defer acknowledgement for a short interval, so that receipt may be acknowledged by the coast station. (0% chose this)
A Coast station has the sole obligation to respond. A ship station should wait for the Coast station MMSI DSC Acknowledgment before taking action. If a Coast station has no response in 15 minutes the ship should DSC acknowledge and inform the RCC. (0% chose this)
A ship station that receives a Distress call from another vessel must, as soon as possible, inform the Master or person responsible for the ship of the contents of the Distress communications received. (0% chose this)
Alerts concerning navigational hazards are second only to Safety traffic. (0% chose this)
What is the proper procedure to be followed upon receipt of a Distress alert transmitted by use of Digital Selective Calling techniques?
Set watch on the radiotelephone Distress and Safety frequency associated with the Distress and Safety calling frequency on which the Distress alert was received. (0% chose this)
Set watch on the DSC alerting frequency in the band of frequencies the alert was received. (0% chose this)
Set a continuous watch on VHF-FM Channel 13, 16 and DSC on Channel 70. (0% chose this)
Ship stations equipped with narrow-band direct-printing equipment should respond to the Distress alert as soon as practicable by this means. (0% chose this)
When can routine communications be resumed after radio silence has been imposed?
Routine communications can resume after the Rescue Coordination Center transmits a message on the frequency or channel being used for emergency communications stating that such traffic has concluded. (0% chose this)
After determining that the frequency or channel appears to be no longer in use. (0% chose this)
After determining that geographic distance from the Distress situation will prohibit any other signal from interfering with emergency communications. (0% chose this)
If, in the master's opinion, communications on that frequency will interfere with emergency communications. (0% chose this)
Stations remaining off the air to safeguard proprietary information. (0% chose this)
Stations not directly involved with the on-going Distress communications may not transmit on the Distress frequency or channel. (0% chose this)
Two three-minute silent periods, at 15 and 45 minutes after the hour that provide a transmitting "window" for distressed vessels to transmit Distress alerts using J3E. (0% chose this)
Communications on a Distress frequency or channel is banned for 24 hours following the cessation of the Distress traffic. (0% chose this)
How are normal working conditions restored on a SITOR (NBDP) frequency on which radio silence had been imposed?
The LES that imposed the radio silence must transmit a SITOR (NBDP) message stating "SILENCE FINI". (0% chose this)
The Public Correspondence Station (PCS) that imposed the radio silence must transmit a narrow band direct printing message on the Distress frequency stating "SILENCE FINI". (0% chose this)
The RCC or Coast station that imposed the radio silence must transmit a SITOR (NBDP) message stating "SILENCE FINI". (0% chose this)
The High Seas Service (HSS) that imposed the radio silence must transmit a narrow band direct printing message on the Distress frequency stating "SILENCE FINI". (0% chose this)
How are normal working conditions restored after radio silence has been imposed?
All of these answers are correct. (0% chose this)
The Land Earth Station (LES) that imposed the radio silence must transmit a voice message on the Distress frequency stating "SILENCE FINI". (0% chose this)
The Public Correspondence Station (PCS) that imposed the radio silence must transmit a voice message on the Distress frequency stating "SILENCE FINI". (0% chose this)
The Rescue Coordination Center (RCC) that imposed the radio silence must transmit a voice message on the Distress frequency stating "SEELONCE FEENEE". (0% chose this)
Which action is the most appropriate action for a GMDSS radio Operator to take in a Distress situation where immediate help is needed, but the vessel is not sinking nor needs to be abandoned?
Transmit Distress calls by HF/MF/VHF DSC or Inmarsat. (0% chose this)
Switch off EPIRB and SART manually. (0% chose this)
Notify the RCC (Rescue Coordination Center) through VHF FM on channel 13. (0% chose this)
Transmit Distress calls by activating the radiotelegraph automatic alarm signal. (0% chose this)
Which statement is true regarding Distress communications under GMDSS?
Distress communications by (SITOR) NBDP should be in the BFEC mode when in two-way communications with the Coast Guard or other coast radio stations. (0% chose this)
The Rescue Coordination Center may not appoint another station to coordinate Distress traffic relating to the incident. (0% chose this)
The Rescue Coordination Center (RCC) is responsible for controlling a search and rescue operation, will coordinate the Distress traffic relating to the incident and may appoint another station to manage the Distress traffic. (0% chose this)
Initial Distress communications by (SITOR) NBDP should be in the ARQ mode to broadcast them to the Coast Guard, other coast radio stations and other ship stations. (0% chose this)
How does the searching vessel's radar interrogate a survival craft SART?
Activate the IFF interrogation system. (0% chose this)
The SART responds automatically and transmits the 12-blip signal when it detects the search craft or other vessels' X-Band radar signal. (0% chose this)
Maintains watch on VHF-FM Ch-70 for the SART's unique identifier. (0% chose this)
The SART responds automatically when it detects the search craft or other vessel's 10-CM radar signal. (0% chose this)
What radar display changes indicate the correct approach to a SART and what care should be taken in a SAR situation?
The line of dots indicate the SART's position, the dots become increasing arcs as the distance to the SART lessens, rescuing vessels should increase speed to reach Distress more quickly. (0% chose this)
A line of dots on a radar screen rotates to indicate the SART's position along its line of bearing; rescuing vessels should steer for the center of the line of dots. (0% chose this)
The line of dots indicate the SART's position, the dots become increasing arcs as the distance to the SART lessens, rescuing vessels should reduce speed as the arcs get greater in degree. (0% chose this)
The line of dots indicate the SART's position, the dots become decreasing arcs as the distance to the SART lessens, rescuing vessels should reduce speed as the arcs lessen in degree. (0% chose this)
Why is it important to limit the duration of testing a SART?
Excessive testing causes "burn in" on the vessel's radar display. (0% chose this)
Testing in port or even at sea may cause interference to other radars or a test signal may be misinterpreted as a genuine Distress situation. (0% chose this)
To prevent overheating, a SART requires sufficient ventilation that is significantly reduced when the SART is being tested. (0% chose this)
If another SART is testing at the same time, the two signals will cause damage to the unit that transmitted them. (0% chose this)
What statement is true regarding tests and maintenance that could be provided for the SART?
Full verification within manufacturer's specifications by the on-board maintainer would be a requirement for all vessels in the A3 & A4 sea areas using measuring equipment to generate 9 GHz signals. (0% chose this)
Battery should be replaced within the 90 day grace period following the manufacturer's expiration date shown on the SART and the SART should only be tested at-sea to reduce interference to other vessels. (0% chose this)
Extreme care should be exercised because testing of the SART may be received by other vessels, may be interpreted as a Distress condition, or it may interfere with other vessels' safe navigation. (0% chose this)
Battery should be replaced with a new one before the manufacturer's expiration date shown on the SART and the SART should only be tested in port to reduce interference to other vessels. (0% chose this)
Why should functional testing of a SART be minimized?
Potential interference with safe navigation, notifying other vessels of an actual Distress and minimize power consumption. (0% chose this)
Minimize power consumption of the battery and only test at sea to reduce potential interference or confusion. (0% chose this)
Possibility of misinterpretation by other vessels as a Distress situation and only test in port to prevent potential interference with safe navigation or at-sea vessels. (0% chose this)
Potential interference with safe navigation, possible misinterpretation of an actual Distress, minimizes draining the battery. (0% chose this)
Which is not a function of a satellite under COSPAS-SARSAT using satellite EPIRBs?
Relayed satellite message includes the EPIRB ID number which provides a reference for retrieval of vessel information from the shore database. (0% chose this)
Doppler shift of EPIRB signal is measured and the EPIRB’s position is calculated. (0% chose this)
Information received from EPIRBs is time-tagged and transmitted to any Local User Terminal in the satellite's view. (0% chose this)
After the EPIRB’s position is calculated using the Doppler shift COSPAS-SARSAT satellites provide follow-on SAR communications. (0% chose this)
Which of the following statements concerning satellite EPIRBs is true?
The coded EPIRB signal identifies the nature of the Distress situation. (0% chose this)
The coded EPIRB signal only identifies the vessel's name and port of registry. (0% chose this)
If the GMDSS Radio Operator does not program the EPIRB, it will transmit default information such as the follow-on communications frequency and mode. (0% chose this)
Once activated, these EPIRBs transmit a signal for use in identifying the vessel and for determining the position of the beacon. (0% chose this)
What actions should the GMDSS radio operator take prior to any potential Distress situation?
Create a table or chart of all the DSC coast stations that might be used during the vessel’s itinerary. (0% chose this)
All of these answers are good operational practice and should be consistently done. (0% chose this)
Prepare a detailed Distress message file on both satellite & MF-HF SITOR (NBDP) equipment containing all information needed in a Distress so it will be available for last-minute editing. (0% chose this)
Ensure all LES choices are correct and then updated properly as the vessel transits different SAR jurisdictions. (0% chose this)
Which statement is NOT true regarding an Inmarsat Distress Alert?
USCG coast stations will receive the alert and immediately notify the correct RCC. (0% chose this)
The operator selection of LES will determine which associated RCC will receive the alert. (0% chose this)
If the operator selects an invalid or inoperative LES code the NCS for that service will intercept the call and reroute the alert. (0% chose this)
If the LES choice is not updated properly the Distress Alert might be routed to a non-optimum RCC, introducing delays and confusion into the Distress situation. (0% chose this)
Which statement is true regarding Inmarsat “hot-key” Distress Alerts?
The LES programmed by the watch officers into the Distress Alert Update menu determines which RCC will receive your initial Distress Alert. (0% chose this)
The vessel’s position is checked against the SAR jurisdictions and the proper LES updated as the vessel changes NAVAREAS. (0% chose this)
The GPS position updates the Distress Alert Update menu to the correct LES choice to ensure proper communications with an RCC. (0% chose this)
The Distress Alert defaults are set correctly by the manufacturer and then automatically updated. (0% chose this)
The effectiveness of VHF communications is maximized by:
The adjustment of squelch for maximum receiver sensitivity, setting transmitter power to 1W & selecting an appropriate channel. (0% chose this)
Appropriate setting of the transmitter power, selecting an appropriate channel & adjustment of squelch for maximum receiver sensitivity. (0% chose this)
Selecting an appropriate channel, adjustment of squelch for minimum receiver sensitivity & setting transmitter power to 1W. (0% chose this)
Selecting an appropriate channel, adjustment of squelch for minimum receiver sensitivity, setting transmitter power to 25W. (0% chose this)
How is mutual interference on 518 kHz among NAVTEX stations avoided?
All stations transmit at the same time but stations are limited to daytime operation only to reduce the radius of propagation. (0% chose this)
Transmitter power is limited, station assignment codes are not shared by other NAVAREAS and stations alternate between daytime and nighttime operations. (0% chose this)
Transmissions scheduled on a time-sharing basis, power is limited and station assignment codes are geographically separated. (0% chose this)
Station codes are not shared by other NAVAREAS, transmissions scheduled on a time-sharing basis and power is limited. (0% chose this)
No NAVTEX receiver can be programmed to reject category A, B, D and L messages since they are mandatory to be received via NAVTEX. (0% chose this)
Upon entering a new NAVTEX station's broadcast range, the GMDSS Radio Operator enters the station's SELCAL number. (0% chose this)
The GMDSS Radio Operator can select the "None" option in the message category menu. (0% chose this)
A GMDSS Radio Operator may choose to program certain NAVTEX receivers to reject category A, B, D and L messages if they are being received by another MSI system. (0% chose this)
What statement is true regarding the control the operator can exercise over the NAVTEX receiver's operation?
The operator can set the unit to automatically reject any and all categories of messages if the ship desires to not receive them. (0% chose this)
Upon entering a coastal area for the first time, the operator enters code KK to indicate "ready to receive NAVTEX". (0% chose this)
To reduce the number of messages, the operator can select code 00 to indicate "not in coastal passage". (0% chose this)
The operator can set most units to reject all messages except navigation, meteorological warnings, and search and rescue messages. If the unit will reject such messages it may be unsafe to do so. (0% chose this)
If the Inmarsat-C terminal is inoperative but the vessel remains within NAVTEX coverage -- which of the following message categories should not be disabled by the GMDSS Radio Operator?
Navigational warnings, meteorological warnings and metrological forecasts. (0% chose this)
Meteorological warnings, Search and Rescue information and Navigational warnings. (0% chose this)
Search and Rescue information, navigational warnings and other electronic navaid messages. (0% chose this)
Search and Rescue information, Meteorological warnings and ice reports. (0% chose this)
What determines whether a NAVTEX receiver prints a particular type of message content from a programmed NAVTEX station?
The serial number and type of message have already been received but additional printouts are generated to ensure receipt aboard the vessel. (0% chose this)
The subject indicator has been programmed for rejection by the operator but the message contains a priority override print command. (0% chose this)
The transmitting station ID covering your area has been programmed for rejection by the operator or has not been previously received. (0% chose this)
The serial number and type of message has not been previously received or the subject indicator has not been programmed for rejection. (0% chose this)
What action should a GMDSS Radio Operator take when SafetyNET™ Distress or Urgency messages are received by the vessel's EGC receiver?
Aural and/or visual alarms are activated and require manual deactivation. (0% chose this)
No immediate action is required, as an audible tone will be generated at the beginning and end of the transmission and a paper printout of the message will be generated. (0% chose this)
No immediate action is required by the operator, since the transmission will be automatically acknowledged by the receiving vessel. (0% chose this)
A periodic alarm tone will be heard until the radio operator prints the message from the unit's memory. (0% chose this)
What system can provide an automated service in coastal waters where it may not be feasible to establish the NAVTEX service or where shipping density is too low to warrant its implementation?
To receive all mandatory MSI using the SafetyNET™ system the vessel must:
Notify the NAVAREA coordinator you are using SafetyNET™ for the receipt of MSI (Maritime Safety Information). (0% chose this)
Log-in and ensure the position is accurate to receive MSI for the NAVAREA the vessel is currently within. (0% chose this)
Set the receiver to your destination Inmarsat Ocean Region. (0% chose this)
Notify the NAVAREA coordinator you are using SafetyNET™ for the receipt of MSI (Maritime Safety Information) and set the receiver to your destination Ocean Region. (0% chose this)
Which of the following provides a unique automated system capable of addressing messages to pre- determined groups of ships or all vessels in both fixed and variable geographic areas?
What system may be useful for messages, such as local storm warnings or a shore-to-ship Distress alert, for which it is inappropriate to alert all ships in the satellite coverage area?
A vessel operating in the Western Atlantic or along the East coast of North America and Central America from Canada to Venezuela, including the Caribbean and Panama, would be located in which NAVAREA?
A vessel operating in the Eastern Pacific or along the West coast of North and Central America from Alaska to Ecuador, including Panama and Hawaii, would be operating in which NAVAREA?
Which of the following actions should be taken once the vessel is berthed and will not leave port again for several weeks?
The GMDSS Radio Operator must notify the NCS that the vessel will be off-line, and wait for the NCS to acknowledge with a confirmation number that must be logged. (0% chose this)
The Inmarsat-C system can be powered down without taking additional steps once the GMDSS Radio Operator has ensured that all incoming SafetyNET™ messages have been received and stored. (0% chose this)
The GMDSS Radio Operator may log out of the Inmarsat-C system and turn the power off (unless the vessel decides to leave the unit on during the port stay.) (0% chose this)
The GMDSS Radio Operator must transmit an all-ships alert, to notify vessels within the satellite's footprint that the vessel will be off-line. (0% chose this)
What action should always be taken before powering down an Inmarsat-C terminal or leaving one satellite footprint for another?
An Inmarsat-C system must never be powered down or mandatory MSI messages will be lost. (0% chose this)
Send a message to the NCS advising arrival in port or request the NCS log your terminal in with the new satellite. (0% chose this)
No action is required -- the terminal will automatically log in with the new satellite when the NCS common channel is detected or after power up. (0% chose this)
Log out with the current NCS to inform them you are off the air or to enable a proper log in procedure with the new satellite. (0% chose this)
To provide direct communications between the Inmarsat station placing a call and the station receiving the call. (0% chose this)
To provide multi-mode communications between the Inmarsat station placing a call and the coast radio station that will deliver it. (0% chose this)
To determine which satellite is best suited to provide communications between the Inmarsat station placing a call and the station receiving the call. (0% chose this)
To monitor and control communications through the Inmarsat satellite for which it is responsible. (0% chose this)
To provide direct communications between the Inmarsat station placing a call and the station receiving the call. (0% chose this)
To monitor and control communications through the Inmarsat satellite for which it is responsible. (0% chose this)
To provide multi-mode communications between the Inmarsat station placing a call and the coast radio station that will deliver it. (0% chose this)
To determine which satellite is best suited to provide communications between the Inmarsat station placing a call and the station receiving the call. (0% chose this)
Which of the following statements concerning Iridium satellites is true?
They are in a geo-stationary orbit, in order to provide true global coverage. (0% chose this)
They provide coverage to vessels in all of the world's navigable waters including polar regions. (0% chose this)
They are in an equatorial orbit, in order to provide true global coverage. (0% chose this)
Vessels sailing in equatorial waters are able to use only one satellite, whereas other vessels are able to choose between at least two satellites. (0% chose this)
How is a signal radiated from an Inmarsat-FBB system's antenna?
It is usually radiated in an omni-directional pattern, but an optional feature allows it to be directional for use when the vessel is on the fringe of the satellite's footprint. (0% chose this)
It is a highly focused directional signal that must be beamed at the desired satellite. (0% chose this)
It is radiated in an omni-directional pattern. (0% chose this)
It is radiated in an omni-directional pattern that can be reversed by the Operator to attain directional beaming to an alternate satellite. (0% chose this)
What is the average length of time required for a TELEX sent by Inmarsat-C to be delivered to the addressee?
All Inmarsat-C communications are made with real-time connectivity so there is no delay in message delivery. (0% chose this)
The average delivery time for a message sent by Inmarsat-C is about 10 minutes. (0% chose this)
Date/time notification of delivery is possible only through Inmarsat-FBB. (0% chose this)
The average delivery time for a TELEX sent by Inmarsat-C is about 10 minutes, but fax and data messages sent by Inmarsat-C require about 30 minutes for delivery. (0% chose this)
How is a signal radiated from an Inmarsat-C system's antenna?
It is a highly focused directional signal that must be beamed at the desired satellite. (0% chose this)
It is usually radiated in an omni-directional pattern, but an optional feature allows it to be directional for use when the vessel is on the fringe of the satellite's footprint. (0% chose this)
It is radiated in an omni-directional pattern. (0% chose this)
It is radiated in an omni-directional pattern that can be reversed by the Operator to attain directional beaming to an alternate satellite. (0% chose this)
Which of the following best describes Inmarsat-C operation?
Is an analog-based system. (0% chose this)
Requires a stabilized directional antenna. (0% chose this)
Provides for voice, TELEX, high and low-speed data and compressed video communications. (0% chose this)
Is a digital store-and-forward system that also provides Enhanced Group Call, data reporting, polling and Distress alerting capabilities. (0% chose this)
Which of the following best describes the full range of services provided by the Inmarsat-C Satellite system?
Polling, enhanced group call, and one-way position and data reporting via satellite. (0% chose this)
FM voice communications via satellite. (0% chose this)
Two-way messaging and data communications on a store-and-forward basis. (0% chose this)
Polling, enhanced group call, one-way position and data reporting via satellite, two-way messaging and data communications on a store-and-forward basis. (0% chose this)
When Inmarsat-FBB and Inmarsat-C terminals are compared:
Inmarsat-FBB antennas are larger, but omni-directional, while Inmarsat-C antennas are smaller and parabolic, for aiming at the satellite. (0% chose this)
Inmarsat-FBB antennas are parabolic and smaller for higher gain, while Inmarsat-C antennas are larger but omni-directional. (0% chose this)
Inmarsat-C antennas are smaller, but omni-directional, while Inmarsat-FBB antennas are parabolic for lower gain. (0% chose this)
Inmarsat-FBB antennas are larger, but directional for higher gain, while Inmarsat-C antennas are smaller and non-parabolic, and do not require aiming at the satellite. (0% chose this)
When Inmarsat-FBB and Inmarsat-C terminals are compared:
Inmarsat-FBB units provide greater communications capabilities, with the benefits of greater size, weight, installation expense and initial cost. (0% chose this)
Inmarsat-C provides lesser communications capabilities, with the trade-offs of greater size, weight, installation expense and initial cost. (0% chose this)
Inmarsat-FBB units provide greater communications capabilities, with the trade-offs of greater size, weight, installation expense and initial cost. (0% chose this)
Inmarsat-C units are of smaller size, weight, installation expense and initial cost and provide greater communications capabilities due to modern technology. (0% chose this)
Which Inmarsat Earth stations would be available for Inmarsat-C traffic if the vessel is off the Pacific Coast of the United States but logged-in to the AOR-W satellite?
Which Inmarsat Earth stations would be available for Inmarsat-C traffic if the vessel is off the Atlantic Coast of the United States and tracking the AOR-E satellite?
Fucino (Italy), Nakhoda (Russia) or Haiphong (Vietnam). (0% chose this)
Santa Paula (USA), Beijing (P.R.C.), Sentosa (Singapore). (0% chose this)
Southbury (USA), Burum (Netherlands), or EIK (Norway). (0% chose this)
Haiphong (Vietnam), Burum (Netherlands), or EIK (Norway). (0% chose this)
Which LES should a GMDSS Radio Operator select to update an Inmarsat-C Distress alert message if the vessel is in the southern Pacific Ocean near the Dateline and logged-in to the POR satellite?
Santa Paula (USA) or Beijing (PRC) would be the best choice depending on SAR jurisdiction. (0% chose this)
EIK (Norway) or Nudol (Russia) would be the best choice depending on SAR jurisdiction. (0% chose this)
Yamaguchi (Japan) or Nakhoda (Russia) would be the best choice depending on SAR jurisdiction. (0% chose this)
Burum (Australia) or Santa Paula (USA) would be the best choice depending on SAR jurisdiction. (0% chose this)
Which Inmarsat Earth stations could a GMDSS Radio Operator select to update an Inmarsat- C Distress alert message if the vessel is in the Mediterranean Sea and logged into the AOR-E satellite?
Fucino (Italy), Assaguel (France) or Burum (Netherlands). (0% chose this)
Pune (India), EIK (Norway), Sentosa or Beijing (P.R.C.). (0% chose this)
Which Inmarsat Earth Stations could a vessel utilize for Inmarsat-C traffic if operating off the Atlantic Coast of the United States and tracking the AOR-E satellite?
Beijing (P.R.C.), Yamaguchi (Japan) or Hai Phong (Vietnam). (0% chose this)
Southbury (USA), Burum (Netherlands) or Hai Phong (Vietnam) (0% chose this)
Pune (India), Burum (Netherlands) or Nudol (Russia). (0% chose this)
Southbury (USA), Burum (Netherlands) or Assaguel (France). (0% chose this)
Which Inmarsat Earth Stations could a vessel utilize for Inmarsat-C traffic if operating on a voyage from Diego Garcia to the Persian Gulf and synched to the IOR satellite?
A vessel is tracking the AOR-W satellite. To initiate an F77 automatic ship-to-shore telephone contact to a shoreside party in the U.S. phone # 123-456-7890, via Southbury Earth Station, a valid Inmarsat operations/dialing sequence is?
Select LES 001# then dial 0011234567890# (0% chose this)
Select LES #002 then dial 11234567890# (0% chose this)
Select LES 104# then dial 11234567890+ (0% chose this)
Select LES 001+ then dial 123 4567890# (0% chose this)
A vessel is tracking the AOR-E satellite. To initiate an operator assisted F77 ship-to-shore telephone contact to a shoreside party in the U.S.A., # 202-456-7890, through a European Earth Station, a valid Inmarsat operations/dialing sequence would be?
Select LES: 001# then dial 1112024567890 (0% chose this)
Select LES: 012# then dial 1112024567890# (0% chose this)
Select LES: 001# then dial 0012024567890# (0% chose this)
Select LES: 001+ then dial 202 4567890 (0% chose this)
Which of the following would be a valid sequence to request an F77 automatically dialed ship-ship voice call to an F77 terminal on a vessel tracking the IOR satellite?
If you are tracking the AOR-W satellite and wish to communicate by F77 voice using LES Southbury with another ship tracking the AOR-E satellite what is the proper procedure?
Select LES: 001# then dial 00870763972310# (0% chose this)
Select LES: 004# then dial 11582430315036# (0% chose this)
Select LES: 001# then dial 00851636824323# (0% chose this)
Select LES: 003# then dial 00581430326430# (0% chose this)
Which of the following is a correct dialing sequence for a F77 vessel tracking the AOR-W satellite to make a voice call to an Iridium terminal via Yamaguchi (Japan)?
What entry would you make on an Iridium terminal to make a telephone call to an Inmarsat terminal on another ship that is 300 miles west of San Francisco?
From an Inmarsat-C terminal, which of the following are correctly formatted address for sending TELEX messages to two Inmarsat-C terminals on vessels in the AOR-W?
870766719020 first and 870436671929 second. (0% chose this)
584436671929 first and 584766719020 second. (0% chose this)
584466719020 first and 584436671929 second. (0% chose this)
58176671920 first and 58146671929 second. (0% chose this)
Which of the following is a correctly formatted Inmarsat-C address book entry for sending communications to a shoreside TELEX terminal number 45992 in Taiwan (TELEX country code 769)?
Which of the following is a correctly formatted Inmarsat-C address book entry for sending communications to a shoreside TELEX terminal number 440122 in the United Kingdom (TELEX country code 51)?
If your vessel is in the POR, which of the following is a correctly formatted Inmarsat-C address book entry for sending communications to a shoreside TELEX terminal number 42267 in Ecuador (TELEX country code 308)?
Which of the following is a correctly formatted Inmarsat-C address book entry for sending communications to a shoreside terminal number 276992 in New Jersey via TRT (TELEX country code 238)?
If your vessel is in the IOR, which of the following is a correctly formatted Inmarsat-C address book entry for sending communications to a shoreside TELEX terminal number 77829 in the Philippines (TELEX country code 758)?
If your vessel is in the AOR-E, which of the following is a correctly formatted Inmarsat-C address book entry for sending communications to a shoreside TELEX terminal number 776424 in Canada via the TWX system (TELEX country code 26)?
Which of the following is a correctly formatted Inmarsat-C address book entry for sending communications to a fax machine number 516-229-4339 in Long Beach, CA, U.S.?
Which of the following is a correctly formatted Inmarsat-C address book entry for sending communications to a fax machine on a vessel’s F77 terminal in the AOR-E?
Which of the following is a correctly formatted Inmarsat-C address book entry for sending communications to a fax machine number 1424-8821-902 in the United Kingdom (voice country code 44)?
Which of the following is a correctly formatted Inmarsat-C address book entry for sending communications to a fax machine on a vessel’s F77 terminal in the IOR?
Which of the following is a correctly formatted Inmarsat-C address book entry for sending communications to a fax machine number (045) 334-5678 in Japan (voice country code 81)?
How may an Inmarsat-C unit be used to send text communications to an Internet destination?
Call up the file menu, insert the internet address in the first line of the file and use the SEND/REC or TRANSMIT menu to send the message. (0% chose this)
Use the SEND/REC or TRANSMIT menu, compose a text file and use the file attach function in the file menu. (0% chose this)
Internet addresses cannot be reached from an Inmarsat-C terminal without a separate e-mail computer. (0% chose this)
Compose a text file, use the SEND/REC or TRANSMIT menu & specify the recipient using the address book function (or by manual entry) for e-mail. (0% chose this)
How would a notification of arrival be sent as a text to a mobile phone number using an Inmarsat-C unit?
Mobile phone numbers cannot be reached by Inmarsat-C terminals because they lack voice capability. (0% chose this)
Use the Inmarsat-C voice handset to compose and transmit the text. (0% chose this)
Compose a text file, use the SEND/REC or TRANSMIT menu & specify the recipient using the address book function (or by manual entry) for SMS destinations. (0% chose this)
The mobile phone number is inserted as the first line of the text file and sent with the SEND/REC or TRANSMIT menu. (0% chose this)
How may Inmarsat-C terminals be used for sending Urgency or Safety priority communications (such as synoptic weather reports)?
Urgency & Safety EGC messages can only be received by an Inmarsat-C terminal. (0% chose this)
Enter PAN PAN or SECURITE into the heading of the message file so the message will be routed by priority. (0% chose this)
Only Routine or Distress priority messages can be sent from an Inmarsat-C terminal. (0% chose this)
Use the appropriate special 2-digit codes selected from the address book or manually enter the correct code into the SEND/REC or TRANSMIT menu. (0% chose this)
Which statement is FALSE regarding an Inmarsat Distress request?
The NCS in each ocean region automatically monitors the processing of such calls by other LESs in that region and processes calls if any anomaly exists in the system. (0% chose this)
If all satellite channels are busy then one of them will be preempted by a Distress request. (0% chose this)
Any Distress request is automatically switched to an Inmarsat Distress working frequency. (0% chose this)
Any request message with Distress priority is automatically recognized by the LES and a satellite channel is instantly assigned. (0% chose this)
Why is the correct selection of the LES in the Inmarsat-C Distress Alert Setup menu so crucial?
Each LES has its own dedicated RCC whose jurisdiction is defined by the LES selected. (0% chose this)
The LES choice determines the nationality of the RCC which will handle the Distress traffic and perform SAR duties or that will pass the particulars to the RCC with jurisdiction to coordinate the SAR situation. (0% chose this)
Inmarsat-C terminals use the GPS position to automatically determine the optimum LES choice in a Distress situation. (0% chose this)
The vessel need not select the LES because the NCS will always intercept a Distress priority call and route it to the closest RCC. (0% chose this)
If an Inmarsat Distress Alert Setup menu contains an incorrect or unavailable LES code what happens to the Distress Alert transmission?
The NCS updates the LES codes in the Distress Alert Setup menu as the vessel moves from ocean region to ocean region to ensure this does not happen. (0% chose this)
The NCS will send a Distress Alert Setup incorrect LES code alarm so the alert can be corrected and re- transmitted. (0% chose this)
The NCS will step in and route the Distress Alert transmission to an RCC. (0% chose this)
If the LES code is incorrect then the Distress Alert transmission is not detected by any RCC. (0% chose this)
What action would be the swiftest and most certain way to notify a RCC of a Distress situation aboard your vessel?
Compose a detailed Distress message and send it to the closest LES to optimize the SAR response. (0% chose this)
Confirm the information in the Distress Alert Message setup menu is correct and use the “hot-key” or Distress Message Generator function on your satellite terminal. (0% chose this)
Press all of the “hot keys” available in the GMDSS console to ensure the RCC is notified. (0% chose this)
Send a multi-frequency DSC alert to ensure the RCC is notified regardless of Ionospheric propagation conditions. (0% chose this)
What actions should be taken to transmit a detailed satellite Distress message to a RCC handling your vessel’s initial “hot-key” Distress Alert?
Compose a detailed Distress message, attach it to the Distress Alert Setup menu and re-transmit the “hot- key” Distress Alert. (0% chose this)
Call up and edit a pre-saved detailed Distress message, select the closest LES and press the “hot-key.” (0% chose this)
Compose a detailed Distress message, use the Transmit or SEND/REC menu and send it to both the RCC and to your company emergency contact number. (0% chose this)
Call up and edit a pre-saved detailed Distress message, use the Transmit or SEND/REC menu, select Distress priority and choose the best LES for the situation. (0% chose this)
What is your vessel’s obligation upon receipt of a Distress priority EGC message requesting that vessels report in response to a SAR situation?
Silence the alarm, notify the master and send a message to the RCC with your vessel’s position and capabilities. (0% chose this)
Read the Distress EGC message and if the situation is too far away no response is required. (0% chose this)
Read the Distress EGC message and await instructions from the RCC as how to proceed to the distress. (0% chose this)
Silence the alarm, notify the Master and await instructions from the RCC as to whether your vessel is requisitioned or released from participation in SAR activity. (0% chose this)
What statement is true regarding LES codes and Inmarsat “hot-key” alert default menus?
Automatic or manual updating of the LES code only needs to be done when switching to a different ocean region satellite. (0% chose this)
The SAR jurisdiction software automatically updates the “hot-key” menu based on the vessel’s position. (0% chose this)
The LES code is determined by the NAVAREA based on the vessel’s current position. (0% chose this)
The LES code must be updated by the officers depending upon the SAR jurisdictions the vessel transits and current ocean region satellite in use. (0% chose this)
Upon receipt of SafetyNET™ messages of the Distress or Urgency category on the ship's EGC receiver, what action is required by the GMDSS Radio Operator?
Manually reset the alarm. (0% chose this)
No immediate action is required as an audible tone will be generated at the beginning and end of the transmission and a paper printout of the message will be generated. (0% chose this)
No immediate action is required by the operator since the transmission will be automatically acknowledged by the receiving vessel. (0% chose this)
A periodic alarm tone will be heard until the radio operator prints the message from the unit's memory. (0% chose this)
What can be defined as the service that allows terrestrial information providers to send general information messages to pre-defined groups of subscribers?
What additional equipment provides the maximum availability for receiving SafetyNET™ broadcasts when the associated Inmarsat-C SES is engaged in communications?
An integrated EGC receiver with the existing Inmarsat-C equipment. (0% chose this)
HF SSB can be used to receive voice MSI broadcasts. (0% chose this)
A separate EGC receiver. (0% chose this)
Automatic switching between Inmarsat-C and EGC functions. (0% chose this)
What is the equipment arrangement that provides the maximum availability for reception of MSI broadcasts when using Inmarsat-C for TELEX communications?
Separate EGC receiver. (0% chose this)
Integrating EGC receiver with the existing Inmarsat-C equipment. (0% chose this)
Redundancy using HF SSB to receive voice broadcasts. (0% chose this)
Automatic switching between Inmarsat-C and EGC functions. (0% chose this)
A vessel, before transiting the Panama Canal, on a voyage from Hawaii to Florida, loses the ability to communicate via Inmarsat-C. The most likely cause is:
The vessel has sailed beyond the coverage area of the Pacific satellite. (0% chose this)
The vessel has sailed beyond the coverage area of the Santa Paula Land Earth Station. (0% chose this)
The vessel has sailed beyond the coverage area of the Western Atlantic satellite. (0% chose this)
The satellite orbit is beyond the usable range of the SES. (0% chose this)
Which statement is correct regarding a method that a vessel experiencing problems with shadowing of an Inmarsat-FBB SES antenna by an on-board obstruction could use to attempt reliable communications?
Change course to remove the shadow. (0% chose this)
Change the Coast Station ID programming. (0% chose this)
Install a shadow correction filter. (0% chose this)
Which of the following conditions does not typically impair Inmarsat-FBB communications?
An obstruction, such as a mast, blocking the signal between the satellite and the SES antenna when the vessel is steering a specific course. (0% chose this)
Normal precipitation from gales and storms. (0% chose this)
A satellite whose signal is on a low elevation, below the horizon. (0% chose this)
Travel beyond the effective radius of the satellite. (0% chose this)
What is a potential danger of using the manufacturer’s database to set up for operations using MF-HF ITU frequency assignments?
All manufacturer’s frequency databases are required to be standardized & accurate so that there is no danger. (0% chose this)
Using the manufacturer’s frequency database to setup the transceiver typically takes longer and is more prone to error than a manual setup. (0% chose this)
Different manufacturers use different database numbering systems to incorporate the ITU assignments into the transceiver and therefore a potential for confusion exists. (0% chose this)
Using the manufacturer’s frequency databases ensures that the transceiver is always restricted to the vessel’s licensed frequencies so that there is no danger. (0% chose this)
How are high seas (HF) radiotelephone communications initially established between a vessel and a public correspondence station?
The vessel listens for "free signals" and calls the public correspondence station on the SITOR (NBDP) calling channel with the strongest marker signal. (0% chose this)
The vessel calls and establishes voice contact with the public correspondence station on a channel that the station is known to monitor, and the two stations then proceed with their business. (0% chose this)
The vessel calls the public correspondence station on VHF Channel 16, and the two stations then switch to the working channel. (0% chose this)
Public Correspondence Stations operate SITOR (NBDP) only. (0% chose this)
What is the best procedure for calling another ship station using HF radiotelephone when the signals are weak but readable?
Give the name of the ship being called three times, and the words "this is" followed by the name of the ship initiating the call three times, and ending with "over." (0% chose this)
Instruct the nearest public correspondence station to add the desired ship's call sign to the station's traffic list. (0% chose this)
On a properly selected ITU channel, give the call sign of the ship being called three times using phonetics, then "this is" followed by the call sign of the ship initiating the call three times, using phonetics, and ending with "over." (0% chose this)
Notify the local vessel traffic service control station of your intention to contact a specific vessel and request the VTS operator place the call on channel 22A. (0% chose this)
What is the correct procedure for calling a coast radio station using HF radiotelephone?
On a properly selected ITU channel, give the name of the coast radio station being called three times, and the words "this is" followed by the name of the ship initiating the call three times, and ending with "over". (0% chose this)
Contact the nearest U.S.C.G. station to add the desired ship's call sign to the station's traffic list. (0% chose this)
Request the VTS operator place the call on channel 22A. (0% chose this)
On a correct ITU channel, give the call sign of the coast radio station three times using phonetics, the words "this is", followed by the ship’s call sign three times using phonetics and ending with "over". (0% chose this)
Through which coast radio station(s) may a U.S.-flag merchant vessel communicate?
Any coast radio station in the world that is licensed to provide such communications. (0% chose this)
Any coast radio station in the world that is licensed to provide such communications, but prior authorization must be obtained for a U.S.-flag merchant vessel to communicate through a non-U.S. station. (0% chose this)
The U.S. Coast Guard coordinates the communications and assigns the working channel. (0% chose this)
U.S. flag ships are licensed to communicate only with U.S. coast radio stations. (0% chose this)
A Distress Priority DSC call may be formatted and transmitted specifying and requesting:
Nature of Distress, vessel position, follow-on frequency, only voice follow-on communications. (0% chose this)
Nature of Distress or alternate frequency but not both in a single call, vessel position or alternate frequency/emission but not both in a single call, voice or TELEX follow-up communications. (0% chose this)
Nature of Distress or alternate frequency but not both in a single call, vessel position or alternate frequency/emission but not both in a single call, only TELEX follow-up communications (0% chose this)
Nature of Distress, vessel position, follow-on frequency, only TELEX follow-on communications. (0% chose this)
To make a call to another vessel requesting TELEX communications regarding important company business, the GMDSS operator should:
Select Urgency priority, enter other vessel's MMSI, specify legal alternate frequency, F1B emission and transmit the properly formatted DSC call. (0% chose this)
Select Routine priority, enter own vessel's MMSI, specify legal alternate frequency, F1B emission and transmit the properly formatted DSC call. (0% chose this)
Select Routine priority, enter other vessel's SELCAL for TELEX, specify legal alternate frequency, F1B emission and transmit the properly formatted DSC call. (0% chose this)
Select Routine priority, enter other vessel's MMSI, specify legal alternate frequency, F1B emission and transmit the properly formatted DSC call. (0% chose this)
What is meant by describing a Coast Station with the acronym ATOR?
The station’s BFEC operations are computerized and a rigid operating sequence must be followed correctly. (0% chose this)
The station will control all of the ARQ operations and it will generate the proper service request codes at the correct time in the sequence. (0% chose this)
The station’s ARQ operations are computerized and a rigid operating sequence must be followed correctly. (0% chose this)
The station will control all of the ARQ operations and it will provide prompts for the operator to request time & charges at the correct time in the sequence. (0% chose this)
Once ARQ communication with the coast radio station has been established, which of the following events will most likely take place?
The vessel then requests the coast radio station's SELCAL so that communication can be set up on the appropriate working channel. (0% chose this)
After exchanging answer-backs (WRU-AAB) with the vessel, the coast radio station transmits GA+?. (0% chose this)
Since communication has already shifted to the working channel, the vessel then transmits the subscriber number and text of the message to be sent for the coast radio station to store and forward. (0% chose this)
The coast radio station will transmit a menu of commands such as DIRTLX+, OBS+ or AMV+ so the ship can select the desired action. (0% chose this)
Which of the following methods will give a GMDSS Radio Operator the best indication of whether ARQ communication can be established with a coast radio station?
Referring to propagation charts will tell the Operator when the eruption of communication shattering solar flares will occur. (0% chose this)
Selecting a frequency in the MF band averts interference from severe static discharges. (0% chose this)
Monitor the coast radio station's "free signals" and call on the frequency on which the loudest and most consistent signals are heard. (0% chose this)
Re-position the antenna toward the coast radio station and press the "call request" button. (0% chose this)
What is the best method for a GMDSS Radio Operator to determine which SITOR (NBDP) station to contact for the purpose of sending a chargeable message or cable?
Listen to each station's “free signals” and call the strongest station. (0% chose this)
Listen to each station's voice announcement and determine which channel(s) will be monitored. (0% chose this)
Listen to each station's MSI broadcast to determine which public correspondence station to contact. (0% chose this)
Listen to the U.S. Coast Guard's traffic list to determine which Coast Guard station will handle commercial traffic. (0% chose this)
Which statement is correct regarding HF SITOR (NBDP) under GMDSS?
Distress communications other than directly to the Coast Guard or other coast stations on the channels that they normally guard, should be in the broadcast SSB mode. (0% chose this)
Safety communications by direct-printing telegraphy should be in the ARQ mode when communicating with the U.S. Coast Guard or other coast stations on channels that they normally guard. (0% chose this)
The ARQ mode may not be used subsequently to the FEC mode even when it is advantageous to do so. (0% chose this)
Distress communications other than directly to the Coast Guard or other coast stations on the channels that they normally guard, should be in the broadcast FEC or SSB mode. (0% chose this)
Assuming sending a direct TELEX message to a shore-based office, which sequence of events best describes a complete ARQ TELEX exchange with a coast station?
Initiate call, observe phasing, wait for exchange of answer-backs (WRU-AAB), send message, send KKKK to terminate the TELEX link, receive MRN & time and charges. (0% chose this)
Initiate call, observe phasing, wait for exchange of answer-backs (WRU-AAB), send DIRTLX command with zero, TELEX country code, TELEX number, send message, send KKKK to terminate the TELEX link, receive MRN and time and charges. (0% chose this)
Initiate call, observe exchange of answer-backs (WRU-AAB), send message, send KKKK to terminate radio link, receive MRN & time and charges. (0% chose this)
Initiate call, observe phasing, exchange of answer-backs (WRU-AAB), send message, send KKKK to terminate radio link, receive MRN & time and charges. (0% chose this)
For ARQ communications with a Public Correspondence Coast Station, which sequence of events best describes reaching the point in time where the text of TELEX communications should be sent.
Transceiver setup, SELCAL selection, Initiate Call, wait for exchange of answer-backs (WRU-AAB), OPR+, operator entry of the appropriate automatic TELEX code. (0% chose this)
Transceiver setup, wait for exchange of answer-backs (WRU-AAB), OPR+, operator entry of the appropriate automatic TELEX code. (0% chose this)
Transceiver setup, SELCAL selection, Initiate Call, wait for exchange of answer-backs (WRU-AAB), GA+?, enter DIRTLX xy+, MOM, MSG+? and exchange of terminal answerbacks. (0% chose this)
Transceiver setup, wait for exchange of answer-backs (WRU-AAB), GA+? and then send message text. (0% chose this)
What sequence of ARQ codes matches the following: request establishment of a landline, end radio link after traffic is done, request connection for AMVER messages?
What sequence of ARQ codes matches the following: Send synoptic weather, switch control from a station currently transmitting over to the receiving station, terminate phasing with coast station.
What sequence of ARQ codes matches the following: shore station indicates it is awaiting instructions from the vessel, vessel requests a live connection to a land telex number, vessel indicates it is done with the coast station?
Which of the following statements concerning SITOR (NBDP) communications is true?
In ARQ, each character is transmitted twice, about 250 milliseconds apart. (0% chose this)
In ARQ, the "information sending station" will transmit a block of three characters that the receiving station will subsequently acknowledge or request be retransmitted. (0% chose this)
In ARQ, the "information sending station" transmits a block of three characters twice, about 250 milliseconds apart. (0% chose this)
SITOR (NBDP) communications can be used to contact a NAVTEX transmitting station when requesting a repeat transmission of a missed NAVTEX message. (0% chose this)
What statement is true regarding the exchange between two parties engaged in SITOR (NBDP) communications?
In ARQ, each character is transmitted twice, with the second displaced in time from the first. (0% chose this)
In ARQ, the "sending" station transmits a block of three characters and the "receiving" station responds with a one character Repeat Request. Following this the "transmitting" station will send a new block. (0% chose this)
In ARQ, the ISS transmits a block of 3 characters and the IRS checks for parity. If the received block is correct a one-character control signal is sent notifying the ISS to proceed with the next block. If the parity check fails the block must be resent. (0% chose this)
Broadcasts of Maritime Safety Information, traffic lists, etc. can be copied by the receiving station in ARQ mode. (0% chose this)
Which of the following is true of SITOR (NBDP) ARQ mode:
The ship station sends a group of 3 characters, the shore station checks for proper parity. If parity is OK, the shore station indicates readiness for transmission of the next 3 characters. (0% chose this)
The ship station sends a group of 3 characters twice and then waits for an "RQ" signal to indicate proper receipt before continuing transmission. (0% chose this)
The Ship station sends each character twice, using a time diversity system to ensure proper parity. (0% chose this)
The ship station sends a group of 3 characters, the shore station checks for proper parity and then requests the same group be resent to enable error correction. (0% chose this)
Which automatic TELEX command should be sent by a ship station during SITOR (NBDP) operations to properly address a weather report to the national weather authority?
WX+ followed by the text of the report. (0% chose this)
OBS+ then MSG+ to indicate weather report. (0% chose this)
OBS+ and then send the weather report. (0% chose this)
GA+? then OBS+ and then send the weather report. (0% chose this)
Which of the following would be a valid automatic TELEX code and number for a request for a real-time TELEX connection to a shore-based TELEX terminal?
DIRTLX then wait for MSG+ to dial 023419645+. (0% chose this)
DIRTLX23122445+. (0% chose this)
DIRTLX followed by GA+? and the TELEX number. (0% chose this)
Selective FEC communications (SFEC) are employed when:
Multiple stations without a group SELCAL must receive communications without using their transmitters (Radio Silence). (0% chose this)
Multiple stations must receive communications by using their transmitters to achieve phasing. (0% chose this)
An individual station must receive communications by using their transmitter to achieve phasing and block other stations from breaking in. (0% chose this)
An individual station must receive communications without using any transmitters (Radio Silence). (0% chose this)<