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B. 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.

C. Ship-to-ship Distress alerts are used to alert other ships in the vicinity of navigational hazards and bad weather.

D. The vessel nearest to the emergency must notify the Coast Guard before leaving the vicinity.

คำถามที่ 2/50

90:00 นาที

For a MF/HF DSC Distress call which statement is false?

A. It always requests J3E Voice follow-on communications so other vessels can hear the Mayday.

B. It will send the minimal necessary information using the "Distress Button" or "Distress Hot Key."

C. It will send a more detailed Distress format if time permits and operator data entries are correctly performed.

D. It does not contain all the information normally of interest in on-scene Distress communications.

คำถามที่ 3/50

90:00 นาที

If a HF-DSC Distress alert is transmitted what frequency is used for follow-on voice transmission?

A. 8376.5 kHz

B. 8291.0 kHz

C. 8401.5 kHz

D. 8201.0 kHz

คำถามที่ 4/50

90:00 นาที

What is the proper procedure to be followed upon receipt of a Distress alert transmitted by use of Digital Selective Calling techniques?

A. Set watch on the radiotelephone Distress and Safety frequency associated with the Distress and Safety calling frequency on which the Distress alert was received.

B. Set watch on the DSC alerting frequency in the band of frequencies the alert was received.

C. Set a continuous watch on VHF-FM Channel 13, 16 and DSC on Channel 70.

D. Ship stations equipped with narrow-band direct-printing equipment should respond to the Distress alert as soon as practicable by this means.

คำถามที่ 5/50

90:00 นาที

What action should be taken on receipt of a DSC Distress alert?

A. Read the display screen and/or printout, silence the alarm, always call the Master to confirm the alert is real.

B. Silence the alarm, read the display screen and/or printout and listen for any follow on transmissions.

C. Listen for any follow on voice/TELEX transmission on the appropriate DSC frequency.

D. Silence the alarm, read the display screen and/or printout, only call the Master if the alert is within 500 NM.

คำถามที่ 6/50

90:00 นาที

Under what condition would you not relay a DSC Distress alert?

A. If the mobile unit in Distress is incapable of further Distress alert communications.

B. If no Coast Station/Mobile Unit acknowledgement of the alert is observed.

C. No distress traffic has been heard and the DSC alert is unacknowledged via DSC.

D. A coast station DSC acknowledgment of the original Distress alert was received by your vessel.

คำถามที่ 7/50

90:00 นาที

Transmission of a Distress alert by a station on behalf of another vessel actually in Distress should not occur:

A. When the mobile unit actually in Distress is not itself in a position to transmit the Distress alert.

B. When the Master or responsible person on the mobile unit not in Distress so decides.

C. When the responsible person at the Coast Station determines further help is necessary.

D. When communications between the Distress vessel and a Coast station are already in progress.

คำถามที่ 8/50

90:00 นาที

DSC Relays of DSC Distress alerts received from other ships should be done?

A. Only when the original DSC call is not acknowledged and no follow-on Distress traffic has been heard.

B. Only by Inmarsat-C TELEX with Distress priority conveying the follow-on Distress traffic that has been heard.

C. Only by Inmarsat-B voice or TELEX with Distress priority if no follow-on Distress traffic has been heard.

D. Preferably by MF/HF voice or TELEX directly to the RCC conveying the follow-on Distress traffic that has been heard.

คำถามที่ 9/50

90:00 นาที

What action should you take after sending a false Distress alert on MF?

A. Make a voice announcement to cancel the alert on 2187.5 kHz.

B. Make a voice announcement to cancel the alert on 2182.0 kHz.

C. Make a voice announcement to cancel the alert on 2174.5 kHz.

D. Send another DSC alert and follow on with voice on 2182.0 kHz.

คำถามที่ 10/50

90:00 นาที

What action should you take after sending a false Distress alert on 8 MHz?

A. Make an "ALL STATIONS” call on all 5 H.F. TELEX channels canceling the alert.

B. Make a "MAYDAY" call on 8414.5 kHz canceling the alert.

C. Make an "Urgency" call on 8614.0 kHz canceling the alert.

D. Make an "ALL STATIONS" call on 8291.0 kHz canceling the alert.

คำถามที่ 11/50

90:00 นาที

What action should you take after sending a false Distress alert on 12577.0 kHz?

A. Make an "ALL STATIONS” call on the associated 12 MHz J3E frequency canceling the alert.

B. No action is necessary.

C. Make an "ALL STATIONS” call on all 5 H.F. TELEX frequencies canceling the alert.

D. Send a message to the nearest RCC via Inmarsat canceling the alert.

คำถามที่ 12/50

90:00 นาที

What action should you take after sending a false or accidental Distress alert on Inmarsat-C?

A. Press the "Distress Hot Keys” then press the "cancel" key.

B. Select "Transmit" or “SEND/REC” menu and send a cancellation message via the LES used for the Distress alert.

C. Do nothing until the RCC contacts your vessel to determine if the Distress alert was genuine.

D. Select the cancel false Distress alert option in the Distress Setup Menu and re-transmit the call.

คำถามที่ 13/50

90:00 นาที

What is meant by the term "Seelonce Mayday”?

A. Stations remaining off the air to safeguard proprietary information.

B. Stations not directly involved with the on-going Distress communications may not transmit on the Distress frequency or channel.

C. 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.

D. Communications on a Distress frequency or channel is banned for 24 hours following the cessation of the Distress traffic.

คำถามที่ 14/50

90:00 นาที

How are normal working conditions restored on a SITOR (NBDP) frequency on which radio silence had been imposed?

A. The LES that imposed the radio silence must transmit a SITOR (NBDP) message stating "SILENCE FINI".

B. 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".

C. The RCC or Coast station that imposed the radio silence must transmit a SITOR (NBDP) message stating "SILENCE FINI".

D. 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".

คำถามที่ 15/50

90:00 นาที

How are normal working conditions restored after radio silence has been imposed?

A. All of these answers are correct.

B. The Land Earth Station (LES) that imposed the radio silence must transmit a voice message on the Distress frequency stating "SILENCE FINI".

C. The Public Correspondence Station (PCS) that imposed the radio silence must transmit a voice message on the Distress frequency stating "SILENCE FINI".

D. The Rescue Coordination Center (RCC) that imposed the radio silence must transmit a voice message on the Distress frequency stating "SEELONCE FEENEE".

คำถามที่ 16/50

90:00 นาที

Which of the following situations would normally use the Urgency priority?

A. A crewmember falling over the side.

B. A serious medical situation involving a crewmember with potential loss of life.

C. An important meteorological warning concerning hazardous weather.

D. A cargo shift or weather situation considered to be of greater hazard than would justify a Safety priority designation.

คำถามที่ 17/50

90:00 นาที

Which of the following situations would not properly use the Urgency priority?

A. Abandoning the vessel just before sinking.

B. Treatment of a crewmember breaking a leg in a cargo hold.

C. Leaking oil from a minor tank fracture requiring a mandatory pollution report.

D. An unexpected deviation in the forecast track line of a typhoon.

คำถามที่ 18/50

90:00 นาที

The Urgency Priority should be used for:

A. Messages concerning the Safety of Life At Sea (SOLAS).

B. Messages containing information concerning the Safety of a mobile unit or person.

C. Messages detailing important navigational warnings.

D. Messages concerning On-scene communications.

คำถามที่ 19/50

90:00 นาที

If the Watch Officer hears "PAN PAN" spoken 3 times it means:

A. A navigation or important meteorological warning should follow.

B. The station is preparing to transmit a Safety message possibly concerning the safety of a mobile unit or person.

C. None of these answers is correct.

D. A mobile unit is in need of immediate assistance.

คำถามที่ 20/50

90:00 นาที

Which of the following situations would normally use the Voice designation "Securite"?

A. Messages concerning the Safety of Life At Sea (SOLAS).

B. Messages containing information concerning the Safety of a mobile unit or person.

C. Messages detailing important navigational warnings.

D. Messages concerning On-scene communications.

คำถามที่ 21/50

90:00 นาที

The Radiotelephone Safety signal is:

A. "Safety Safety Safety"

B. "Pan Pan" repeated 3 times

C. "Securite Securite" repeated 3 times

D. "Securite" repeated 3 times

คำถามที่ 22/50

90:00 นาที

Which channel is designated for GMDSS Digital Selective Calling?

A. Ch-06

B. Ch-16

C. Ch-70

D. Ch-83

คำถามที่ 23/50

90:00 นาที

How many MF frequencies are available for DSC Distress related calls?

A. Five

B. Four

C. Two

D. One

คำถามที่ 24/50

90:00 นาที

Which statement is true regarding Distress communications under GMDSS?

A. 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.

B. The Rescue Coordination Center may not appoint another station to coordinate Distress traffic relating to the incident.

C. 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.

D. 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.

คำถามที่ 25/50

90:00 นาที

When operating in coastal waters (sea area A1), a GMDSS-equipped vessel must:

A. Maintain a continuous DSC watch on 8514.5 kHz.

B. Maintain a continuous aural watch on 2182.0 kHz.

C. Maintain a continuous DSC watch on VHF channel 16.

D. Maintain a continuous DSC watch on VHF channel 70.

คำถามที่ 26/50

90:00 นาที

Which of the following would most likely not prevent a SART's signal from being detected?

A. The rescue personnel were monitoring the 3-CM radar and the SART was mounted improperly in the lifeboat.

B. The SART was mounted improperly in the survival craft and rescue personnel were monitoring the 10-CM radar.

C. The rescue personnel were monitoring the 10-CM radar and the SART was properly mounted in the lifeboat.

D. The SART was properly mounted in the lifeboat and rescue personnel were monitoring the 3-CM radar.

คำถามที่ 27/50

90:00 นาที

At what point does a SART begin transmitting?

A. It immediately begins radiating when placed in the "on" position.

B. If it has been placed in the "on" position, it will respond when it has been interrogated by a 9-GHz radar signal.

C. It must be manually activated or water activated before radiating.

D. If it has been placed in the "on" position, it will begin transmitting immediately upon detecting that it is in water.

คำถามที่ 28/50

90:00 นาที

What radar display changes indicate the correct approach to a SART and what care should be taken in a SAR situation?

A. 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.

B. 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.

C. 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.

D. 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.

คำถามที่ 29/50

90:00 นาที

How can vessel personnel detect the operation of a SART in its vicinity?

A. A unique two-tone "warbling" signal heard on VHF-FM Ch-70.

B. It will activate an AIS new signal alarm on the AIS receiver.

C. The SART signal appears as a target that comes and goes--due to the effect of heavy swells on a SART.

D. A unique 3-cm signal consisting of a 12-dot pattern radiating outward from a SART's position along its line of bearing.

คำถามที่ 30/50

90:00 นาที

Why is it important to limit the duration of testing a SART?

A. Excessive testing causes "burn in" on the vessel's radar display.

B. 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.

C. To prevent overheating, a SART requires sufficient ventilation that is significantly reduced when the SART is being tested.

D. If another SART is testing at the same time, the two signals will cause damage to the unit that transmitted them.

คำถามที่ 31/50

90:00 นาที

Why should functional testing of a SART be minimized?

A. Potential interference with safe navigation, notifying other vessels of an actual Distress and minimize power consumption.

B. Minimize power consumption of the battery and only test at sea to reduce potential interference or confusion.

C. 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.

D. Potential interference with safe navigation, possible misinterpretation of an actual Distress, minimizes draining the battery.

คำถามที่ 32/50

90:00 นาที

Which is NOT a valid maintenance and testing function for a SART?

A. Operational test with several vessels to determine effective transmitting range.

B. Inspection of container for apparent damage.

C. Inspect battery expiration date and the lanyard condition.

D. Brief operational test utilizing own ship's radar.

คำถามที่ 33/50

90:00 นาที

The SART is required to have sufficient battery capacity to operate in the stand-by mode for what period of time?

A. Three days

B. Four days

C. Eight hours

D. Forty-eight hours

คำถามที่ 34/50

90:00 นาที

Which of the following satellite systems is of particular & dedicated importance to search and rescue missions under GMDSS?

A. COSPAS/SARSAT

B. Inmarsat

C. GPS

D. Iridium

คำถามที่ 35/50

90:00 นาที

Which of the following statements concerning COSPAS-SARSAT is false?

A. 406 MHz EPIRBs are units that are used as alerting devices.

B. Doppler frequency measurements provide more precise locations than GPIRB signals.

C. The Doppler frequency measurement concept is used to determine the EPIRB's location.

D. Satellites in a low-earth polar orbit detect EPIRB beacons on 406 MHz and relay the information to a Local User Terminal (LUT).

คำถามที่ 36/50

90:00 นาที

Which of the following statements concerning the EPIRB system is true?

A. GOES weather satellites will provide alerting with complete worldwide coverage.

B. COSPAS-SARSAT satellites always provides an alert and position report within 10 minutes of reception.

C. The Inmarsat system will not provide alerts and position report for 406 MHz EPIRBs equipped with GPS receivers.

D. The GPS satellite system will relay an alert and position report within 20 minutes of reception.

คำถามที่ 37/50

90:00 นาที

Which of the following statements concerning satellite EPIRBs is true?

A. The coded EPIRB signal identifies the nature of the Distress situation.

B. The coded EPIRB signal only identifies the vessel's name and port of registry.

C. If the GMDSS Radio Operator does not program the EPIRB, it will transmit default information such as the follow-on communications frequency and mode.

D. Once activated, these EPIRBs transmit a signal for use in identifying the vessel and for determining the position of the beacon.

คำถามที่ 38/50

90:00 นาที

What feature is not a component of a 406 MHz satellite EPIRB?

A. 121.5 MHz emergency homing transmitter.

B. Emergency transmission on 406.025 MHz.

C. Float-free release bracket.

D. Aural locator signal.

คำถามที่ 39/50

90:00 นาที

Which of the following is normally part of 406 MHz satellite EPIRBs?

A. A strobe light, automatic float-free bracket, 1-watt 406-MHz alert beacon.

B. A 5-watt 406-MHz alert beacon, Automatic Hydrostatic Release (ARM), strobe light.

C. Automatic float-free bracket, 5-watt 121.5 MHz homing beacon, strobe light.

D. Automatic Hydrostatic Release (ARM), 1-watt 121.5 MHz alerting beacon, strobe light.

คำถามที่ 40/50

90:00 นาที

Which of the following EPIRBs is most likely to be used to transmit a Distress alert signal?

A. S-Band EPIRBs

B. X-Band EPIRBs

C. 406 MHz EPIRBs

D. 121.5/243 MHz EPIRBs

คำถามที่ 41/50

90:00 นาที

Which piece of required GMDSS equipment is the primary source of transmitting locating signals?

A. Radio Direction Finder (RDF).

B. Survival Craft Transceiver.

C. An EPIRB transmitting on 406 MHz.

D. A SART transmitting on 406 MHz.

คำถามที่ 42/50

90:00 นาที

What part of a satellite EPIRB may function as a visual aid to rescue vessels?

A. Strobe light

B. A 121.5 MHz emergency transmitter in a satellite EPIRB.

C. 406 MHz signal from a satellite EPIRB.

D. Loud beeping tone emitted by the unit, once activated.

คำถามที่ 43/50

90:00 นาที

Which statement is NOT true regarding the requirements of VHF Survival Craft Transceivers?

A. Operation on Ch-13 is mandatory.

B. Effective radiated power should be a minimum of 0.25 Watts.

C. Simplex (single frequency) voice communications only.

D. Operation on Ch-16 is mandatory.

คำถามที่ 44/50

90:00 นาที

Which of the following frequencies have been designated for “On-scene” communications in the Global Maritime Distress and Safety System?

A. VHF Ch-22

B. VHF Ch-16 and SITOR (NBDP) on 2174.5 kHz.

C. HF radiotelephone on 21.820 MHz.

D. SITOR (NBDP) on 2177.0 kHz and VHF Ch-16.

คำถามที่ 45/50

90:00 นาที

“On-scene" communications would best be represented by?

A. Using Inmarsat-C "hot-key" function

B. Sending DSC alert on VHF Ch-70

C. SITOR (NBDP) on 2174.5 kHz

D. SITOR (NBDP) on 4125.0 kHz

คำถามที่ 46/50

90:00 นาที

Which of these would be vital to a GMDSS SAR situation in polar regions?

A. GOES satellites to receive Distress Alerts and HF Voice for follow-on and SAR activity.

B. GOES satellites to receive Distress Alerts and Inmarsat Voice for follow-on and SAR activity.

C. Inmarsat satellites to receive Distress Alerts and HF Voice for follow-on and SAR activity.

D. COSPAS/SARSAT satellites to receive Distress Alerts and HF Voice for follow-on and SAR activity.

คำถามที่ 47/50

90:00 นาที

Which statement is not true regarding the COSPAS-SARSAT system?

A. The position of the EPRIB is always transmitted in the outgoing transmission (unless the unit is a GPIRB).

B. Signals received by low altitude, near-polar orbiting satellites are relayed to a ground receiving station (LUT).

C. Doppler shift is used to locate the position of the EPIRB.

D. EPIRBs are satellite beacons used as alerting & homing devices.

คำถามที่ 48/50

90:00 นาที

Which statement is false regarding the COSPAS-SARSAT system and EPIRB operations?

A. The EPIRB’s position is calculated by the system and passed to the MCC.

B. The EPIRB transmits a unique Hex I.D. and vessel position that may be passed to the RCC.

C. The EPIRB’s position and Hex I.D. is passed instantaneously to the RCC.

D. The EPIRB transmits a unique Hex I.D. that is passed to the RCC if it cannot be determined to be inadvertent by the MCC.

คำถามที่ 49/50

90:00 นาที

Which statement is NOT true regarding an Inmarsat Distress Alert?

A. USCG coast stations will receive the alert and immediately notify the correct RCC.

B. The operator selection of LES will determine which associated RCC will receive the alert.

C. If the operator selects an invalid or inoperative LES code the NCS for that service will intercept the call and reroute the alert.

D. 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.

คำถามที่ 50/50

90:00 นาที

What are the best resources for researching and planning equipment setups and updates prior to any potential Distress situation?

A. NGA Pub. 117, Inmarsat hanossok or manufacturer’s equipment manuals.

B. Inmarsat hanossok, FCC Part 80 or ITU List of Coast stations.

C. ITU List of Coast stations, IMO GMDSS hanossok, FCC Part 80.

D. Inmarsat hanossok, NGA Pub, 117 or ITU List of Coast stations.

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