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2009 Element 1 pool
90 / 144 questions need explanations
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What is a Distress communication?
  • Communications indicating that the calling station has a very urgent message concerning safety. (6% chose this)
  • An internationally recognized communication indicating that the sender is threatened by grave and imminent danger and requests immediate assistance. (83% chose this)
  • Radio communications which, if delayed, will adversely affect the safety of life or property. (9% chose this)
  • An official radio communication notification of approaching navigational or meteorological hazards. (2% chose this)
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How does a coast station notify a ship that it has a message for the ship?
  • By making a directed transmission on 2182 kHz or 156.800 MHz. (12% chose this)
  • The coast station changes to the vessel’s known working frequency. (15% chose this)
  • By establishing communications using the eight-digit maritime mobile service identification. (12% chose this)
  • The coast station may transmit, at intervals, lists of call signs in alphabetical order for which they have traffic. (62% chose this)
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Under what circumstances may a ship or aircraft station interfere with a public coast station?
  • In cases of distress. (79% chose this)
  • Under no circumstances during on-going radiocommunications. (4% chose this)
  • During periods of government priority traffic handling. (1% chose this)
  • When it is necessary to transmit a message concerning the safety of navigation or important meteorological warnings. (16% chose this)
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What traffic management service is operated by the U.S. Coast Guard in certain designated water areas to prevent ship collisions, groundings and environmental harm?
  • Water Safety Management Bureau (WSMB). (4% chose this)
  • Vessel Traffic Service (VTS). (82% chose this)
  • Ship Movement and Safety Agency (SMSA). (10% chose this)
  • Interdepartmental Harbor and Port Patrol (IHPP). (4% chose this)
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The radiotelephone Distress call and message consists of:
  • MAYDAY spoken three times, followed by the name of the vessel and the call sign in phonetics spoken three times. (13% chose this)
  • Particulars of its position, latitude and longitude, and other information which might facilitate rescue, such as length, color and type of vessel, and number of persons on board. (5% chose this)
  • Nature of distress and kind of assistance required. (1% chose this)
  • All of the above. (81% chose this)
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Who is required to make entries in a required service or maintenance log?
  • The licensed operator or a person whom he or she designates. (11% chose this)
  • The operator responsible for the station operation or maintenance. (59% chose this)
  • Any commercial radio operator holding at least a Restricted Radiotelephone Operator Permit. (8% chose this)
  • The technician who actually makes the adjustments to the equipment. (22% chose this)
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What is the order of priority of radiotelephone communications in the maritime services?
  • Alarm and health and welfare communications. (2% chose this)
  • Navigation hazards, meteorological warnings, priority traffic. (2% chose this)
  • Distress calls and signals, followed by communications preceded by Urgency and Safety signals and all other communications. (90% chose this)
  • Government precedence, messages concerning safety of life and protection of property, and traffic concerning grave and imminent danger. (7% chose this)
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Where must the principal radiotelephone operating position be installed in a ship station?
  • At the principal radio operating position of the vessel. (23% chose this)
  • In the chart room, master’s quarters or wheel house. (5% chose this)
  • In the room or an adjoining room from which the ship is normally steered while at sea. (63% chose this)
  • At the level of the main wheel house or at least one deck above the ship’s main deck. (9% chose this)
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Under GMDSS, a compulsory VHF-DSC radiotelephone installation must be tested at what minimum intervals at sea?
  • Daily. (58% chose this)
  • Annually, by a representative of the FCC. (12% chose this)
  • Weekly. (13% chose this)
  • Monthly. (17% chose this)
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How long should station logs be retained when there are entries relating to distress or disaster situations?
  • Until authorized by the Commission in writing to destroy them. (3% chose this)
  • For a period of three years from the last date of entry, unless notified by the FCC. (76% chose this)
  • Indefinitely, or until destruction is specifically authorized by the U.S. Coast Guard. (11% chose this)
  • For a period of one year from the last date of entry. (10% chose this)
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What is the proper procedure for making a correction in the station log?
  • The ship’s master must be notified, approve and initial all changes to the station log. (10% chose this)
  • The mistake may be erased and the correction made and initialized only by the radio operator making the original error. (4% chose this)
  • The original person making the entry must strike out the error, initial the correction and indicate the date of the correction. (77% chose this)
  • Rewrite the new entry in its entirety directly below the incorrect notation and initial the change. (10% chose this)
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When are EPIRB batteries changed?
  • After emergency use; after battery life expires. (4% chose this)
  • After emergency use or within the month and year replacement date printed on the EPIRB. (67% chose this)
  • After emergency use; every 12 months when not used. (20% chose this)
  • Whenever voltage drops to less than 20% of full charge. (8% chose this)
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What is the requirement for emergency and reserve power in GMDSS radio installations?
  • An emergency power source for radio communications is not required if a vessel has proper reserve power (batteries). (9% chose this)
  • A reserve power source is not required for radio communications. (1% chose this)
  • Only one of the above is required if a vessel is equipped with a second 406 EPIRB as a backup means of sending a distress alert. (7% chose this)
  • All newly constructed ships under GMDSS must have both emergency and reserve power sources for radio communications. (82% chose this)
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A ship station using VHF bridge-to-bridge Channel 13:
  • May be identified by the name of the ship in lieu of call sign. (66% chose this)
  • May be identified by call sign and country of origin. (5% chose this)
  • Must be identified by call sign and name of vessel. (26% chose this)
  • Does not need to identify itself within 100 miles from shore. (3% chose this)
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On what frequency should a ship station normally call a coast station when using a radiotelephony emission?
  • On a vacant radio channel determined by the licensed radio officer. (5% chose this)
  • Calls should be initiated on the appropriate ship-to-shore working frequency of the coast station. (56% chose this)
  • On any calling frequency internationally approved for use within ITU Region 2. (4% chose this)
  • On 2182 kHz or Ch-16 at any time. (36% chose this)
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In the event of failure of the main and emergency sources of electrical power, what is the term for the source required to supply the GMDSS console with power for conducting distress and other radio communications?
  • Emergency power. (18% chose this)
  • Ship’s emergency diesel generator. (2% chose this)
  • Reserve source of energy. (76% chose this)
  • Ship’s standby generator (3% chose this)
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What is the best way for a radio operator to minimize or prevent interference to other stations?
  • By using an omni-directional antenna pointed away from other stations. (1% chose this)
  • Reducing power to a level that will not affect other on-frequency communications. (19% chose this)
  • Determine that a frequency is not in use by monitoring the frequency before transmitting. (72% chose this)
  • By changing frequency when notified that a radiocommunication causes interference. (8% chose this)
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What is the purpose of the antenna tuner?
  • It alters the electrical characteristics of the antenna to match the frequency in use. (84% chose this)
  • It physically alters the length of the antenna to match the frequency in use. (8% chose this)
  • It makes the antenna look like a half-wave antenna at the frequency in use. (4% chose this)
  • None of the above. (3% chose this)
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Where do you make an application for inspection of a ship GMDSS radio station?
  • To a Commercial Operator Licensing Examination Manager (COLE Manager). (5% chose this)
  • To the Federal Communications Commission, Washington, DC 20554. (10% chose this)
  • To the Engineer-in-Charge of the FCC District Office nearest the proposed place of inspection. (58% chose this)
  • To an FCC-licensed technician holding a GMDSS Radio Maintainer’s License. (27% chose this)
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If a ship radio transmitter signal becomes distorted:
  • Reduce transmitter power. (13% chose this)
  • Use minimum modulation. (9% chose this)
  • Cease operations. (62% chose this)
  • Reduce audio amplitude. (16% chose this)
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What is a requirement of all marine transmitting apparatus used aboard United States vessels?
  • Only equipment that has been certified by the FCC for Part 80 operations is authorized. (83% chose this)
  • Equipment must be type-accepted by the U.S. Coast Guard for maritime mobile use. (8% chose this)
  • Certification is required by the International Maritime Organization (IMO). (4% chose this)
  • Programming of all maritime channels must be performed by a licensed Marine Radio Operator. (5% chose this)
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What advantage does a vertical whip have over a long wire?
  • It radiates more signal fore and aft. (4% chose this)
  • It radiates equally well in all directions. (85% chose this)
  • It radiates a strong signal vertically. (6% chose this)
  • None of the above. (5% chose this)
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What is the antenna requirement of a radiotelephone installation aboard a passenger vessel?
  • The antenna must be located a minimum of 15 meters from the radiotelegraph antenna. (2% chose this)
  • The antenna must be vertically polarized and as non-directional and efficient as is practicable for the transmission and reception of ground waves over seawater. (82% chose this)
  • An emergency reserve antenna system must be provided for communications on 156.800 MHz. (3% chose this)
  • All antennas must be tested and the operational results logged at least once during each voyage. (13% chose this)
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Under what circumstances may a coast station using telephony transmit a general call to a group of vessels?
  • Under no circumstances. (7% chose this)
  • When announcing or preceding the transmission of Distress, Urgency, Safety or other important messages. (79% chose this)
  • When the vessels are located in international waters beyond 12 miles. (2% chose this)
  • When identical traffic is destined for multiple mobile stations within range. (12% chose this)
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What channel must all compulsory, non-GMDSS vessels monitor at all times in the open sea?
  • Channel 8. (2% chose this)
  • Channel 70. (6% chose this)
  • Channel 6. (4% chose this)
  • Channel 16. (87% chose this)
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Who determines when a ship station may transmit routine traffic destined for a coast or government station in the maritime mobile service?
  • Shipboard radio officers may transmit traffic when it will not interfere with ongoing radiocommunications. (24% chose this)
  • The order and time of transmission and permissible type of message traffic is decided by the licensed on-duty operator. (13% chose this)
  • Ship stations must comply with instructions given by the coast or government station. (48% chose this)
  • The precedence of conventional radiocommunications is determined by FCC and international regulation. (16% chose this)
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Radio watches for compulsory radiotelephone stations will include the following:
  • VHF channel 22a continuous watch at sea. (4% chose this)
  • 121.5 MHz continuous watch at sea. (5% chose this)
  • VHF channel 16 continuous watch. (88% chose this)
  • 500 kHz. (3% chose this)
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Where should the GMDSS radio log be kept on board ship?
  • Captain’s office. (3% chose this)
  • Sea cabin. (2% chose this)
  • At the GMDSS operating position. (94% chose this)
  • Anywhere on board the vessel. (1% chose this)
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What are the highest priority communications from ships at sea?
  • All critical message traffic authorized by the ship’s master. (1% chose this)
  • Navigation and meteorological warnings. (2% chose this)
  • Distress calls are highest and then communications preceded by Urgency and then Safety signals. (96% chose this)
  • Authorized government communications for which priority right has been claimed. (1% chose this)
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What would be an indication of a malfunction on a GMDSS station with a 24 VDC battery system?
  • A constant 30 volt reading on the GMDSS console voltmeter. (60% chose this)
  • After testing the station on battery power, the ammeter reading indicates a high rate of charge that then declines. (17% chose this)
  • After testing the station on battery power, a voltmeter reading of 30 volts for brief period followed by a steady 26 volt reading. (8% chose this)
  • None of the above. (15% chose this)
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When is a Marine Radio Operator Permit or higher license required for aircraft communications?
  • When operating on frequencies below 30 MHz allocated exclusively to aeronautical mobile services. (20% chose this)
  • When operating on frequencies above 30 MHz allocated exclusively to aeronautical mobile services. (17% chose this)
  • When operating on frequencies below 30 MHz not allocated exclusively to aeronautical mobile services. (56% chose this)
  • When operating on frequencies above 30 MHz not assigned for international use. (7% chose this)
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What is the purpose of the SART’s audible tone alarm?
  • It informs survivors that assistance may be nearby. (61% chose this)
  • It informs survivors when the battery’s charge condition has weakened. (9% chose this)
  • It informs survivors when the SART switches to the “standby” mode. (5% chose this)
  • It informs survivors that a nearby vessel is signaling on DSC. (25% chose this)
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What is a requirement of every commercial operator on duty and in charge of a transmitting system?
  • A copy of the Proof-of-Passing Certificate (PPC) must be in the station’s records. (2% chose this)
  • The original license or a photocopy must be posted or in the operator’s personal possession and available for inspection. (78% chose this)
  • The FCC Form 605 certifying the operator’s qualifications must be readily available at the transmitting system site. (8% chose this)
  • A copy of the operator’s license must be supplied to the radio station’s supervisor as evidence of technical qualification. (12% chose this)
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What is the purpose of the Receiver Incremental Tuning (RIT) or “Clarifier” control?
  • It acts as a “fine-tune” control on the receive frequency. (77% chose this)
  • It acts as a “fine-tune” control on the transmitted frequency. (3% chose this)
  • It acts as a “fine-tune” control on both the receive and transmitted frequencies. (17% chose this)
  • None of the above. (3% chose this)
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For a small passenger vessel inspection, reserve power batteries must be tested:
  • At intervals not exceeding every 3 months. (10% chose this)
  • At intervals not exceeding every 6 months (5% chose this)
  • Before any new voyage (25% chose this)
  • At intervals not exceeding 12 months, or during the inspection. (60% chose this)
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The best way to test the Inmarsat-C terminal is?
  • Compose and send a brief message to your own Inmarsat-C terminal. (69% chose this)
  • Send a message to a shore terminal and wait for confirmation. (18% chose this)
  • Send a message to another ship terminal. (6% chose this)
  • If the “Send” light flashes, proper operation has been confirmed. (8% chose this)
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What is the purpose of the INT-USA control settings on a VHF?
  • To change all VTS frequencies to Duplex so all vessels can receive maneuvering orders. (7% chose this)
  • To change all VHF channels from Duplex to Simplex while in U.S. waters. (18% chose this)
  • To change certain International Duplex channel assignments to simplex in the U.S. for VTS and other purposes. (74% chose this)
  • To change to NOAA weather channels and receive weather broadcasts while in the U.S. (2% chose this)
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What is a typical Urgency transmission?
  • A request for medical assistance that does not rise to the level of a Distress or a critical weather transmission higher than Safety. (70% chose this)
  • A radio Distress transmission affecting the security of humans or property. (13% chose this)
  • Health and welfare traffic which impacts the protection of on-board personnel. (13% chose this)
  • A communications alert that important personal messages must be transmitted. (4% chose this)
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What means are used to prevent the reception of unwanted broadcasts by vessels utilizing the NAVTEX system?
  • Operating the receiver only during daytime hours. (3% chose this)
  • Coordinating reception with published broadcast schedules. (19% chose this)
  • Programming the receiver to reject unwanted broadcasts. (71% chose this)
  • Automatic receiver de-sensitization during night hours. (7% chose this)
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When using a SSB station on 2182 kHz or VHF-FM on channel 16:
  • Preliminary call must not exceed 30 seconds. (2% chose this)
  • If contact is not made, you must wait at least 2 minutes before repeating the call. (3% chose this)
  • Once contact is established, you must switch to a working frequency. (24% chose this)
  • All of these. (71% chose this)
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What is an advantage of a 406 MHz satellite EPIRB?
  • It is compatible with the COSPAS-SARSAT Satellites and Global Maritime Distress Safety System (GMDSS) regulations. (7% chose this)
  • Provides a fast, accurate method for the Coast Guard to locating and rescuing persons in distress. (6% chose this)
  • Includes a digitally encoded message containing the ship’s identity and nationality. (3% chose this)
  • All of the above. (84% chose this)
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When a watch is required on 2182 kHz, at how many minutes past the hour must a 3 minute silent period be observed?
  • 00, 30. (77% chose this)
  • 15, 45. (13% chose this)
  • 10, 40. (5% chose this)
  • 05, 35. (4% chose this)
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The primary purpose of the GMDSS is to:
  • Allow more effective control of SAR situations by vessels. (10% chose this)
  • Provide additional shipboard systems for more effective company communications. (4% chose this)
  • Automate and improve emergency communications for the world’s shipping industry. (81% chose this)
  • Provide effective and inexpensive communications. (4% chose this)
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GMDSS is primarily a system based on?
  • Ship-to-ship Distress communications using MF or HF radiotelephony. (11% chose this)
  • VHF digital selective calling from ship to shore. (5% chose this)
  • Distress, Urgency and Safety communications carried out by the use of narrow-band direct printing telegraphy. (21% 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. (63% chose this)
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What is an EPIRB?
  • A battery-operated emergency position-indicating radio beacon that floats free of a sinking ship. (83% chose this)
  • An alerting device notifying mariners of imminent danger. (3% chose this)
  • A satellite-based maritime distress and safety alerting system. (13% chose this)
  • A high-efficiency audio amplifier. (1% chose this)
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With what other stations may portable survival craft transceivers communicate?
  • Communication is permitted between survival craft. (0% chose this)
  • Communication is permitted between survival craft and ship. (2% chose this)
  • Communication is permitted between survival craft and rescue unit. (4% chose this)
  • All of the above. (94% chose this)
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What transmitting equipment is authorized for use by a station in the maritime services?
  • Transmitters that have been certified by the manufacturer for maritime use. (6% chose this)
  • Unless specifically excepted, only transmitters certified by the Federal Communications Commission for Part 80 operations. (81% chose this)
  • Equipment that has been inspected and approved by the U.S. Coast Guard. (4% chose this)
  • Transceivers and transmitters that meet all ITU specifications for use in maritime mobile service. (9% chose this)
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When may the operator of a ship radio station allow an unlicensed person to speak over the transmitter?
  • At no time. Only commercially-licensed radio operators may modulate the transmitting apparatus. (15% chose this)
  • When the station power does not exceed 200 watts peak envelope power. (1% chose this)
  • When under the supervision of the licensed operator. (84% chose this)
  • During the hours that the radio officer is normally off duty. (0% chose this)
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What is Distress traffic?
  • All messages relative to the immediate assistance required by a ship, aircraft or other vehicle threatened by grave or imminent danger, such as life and safety of persons on board, or man overboard. (94% chose this)
  • In radiotelephony, the speaking of the word, “Mayday.” (2% chose this)
  • Health and welfare messages concerning property and the safety of a vessel. (2% chose this)
  • Internationally recognized communications relating to important situations. (2% chose this)
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What channel must VHF-FM-equipped vessels monitor at all times when the vessel is at sea?
  • Channel 8. (8% chose this)
  • Channel 16. (90% chose this)
  • Channel 5A. (1% chose this)
  • Channel 1A. (2% chose this)
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What is required of a ship station which has established initial contact with another station on 2182 kHz or Ch-16?
  • The stations must change to an authorized working frequency for the transmission of messages. (72% chose this)
  • The stations must check the radio channel for Distress, Urgency and Safety calls at least once every ten minutes. (15% chose this)
  • Radiated power must be minimized so as not to interfere with other stations needing to use the channel. (8% chose this)
  • To expedite safety communications, the vessels must observe radio silence for two out of every fifteen minutes. (5% chose this)
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What is the proper procedure for testing a radiotelephone installation?
  • A dummy antenna must be used to insure the test will not interfere with ongoing communications. (14% chose this)
  • Transmit the station’s call sign, followed by the word “test” on the frequency being used for the test. (77% chose this)
  • Permission for the voice test must be requested and received from the nearest public coast station. (6% chose this)
  • Short tests must be confined to a single frequency and must never be conducted in port. (3% chose this)
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What is the priority of communications?
  • Safety, Distress, Urgency and radio direction-finding. (5% chose this)
  • Distress, Urgency and Safety. (84% chose this)
  • Distress, Safety, radio direction-finding, search and rescue. (11% chose this)
  • Radio direction-finding, Distress and Safety. (0% chose this)
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When testing is conducted on 2182 kHz or Ch-16, testing should not continue for more than ______ in any 5-minute period.
  • 2 minutes. (4% chose this)
  • 1 minute. (11% chose this)
  • 30 seconds. (35% chose this)
  • 10 seconds. (50% chose this)
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How long should station logs be retained when there are no entries relating to distress or disaster situations?
  • For a period of three years from the last date of entry, unless notified by the FCC. (27% chose this)
  • Until authorized by the Commission in writing to destroy them. (3% chose this)
  • For a period of two years from the last date of entry. (65% chose this)
  • Indefinitely, or until destruction is specifically authorized by the U.S. Coast Guard. (5% chose this)
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What is the meaning of “Reserve Source of Energy”?
  • The supply of electrical energy sufficient to operate the radio installations for the purpose of conducting Distress and Safety communications in the event of failure of the ship’s main and emergency sources of electrical power. (95% chose this)
  • High caloric value items for lifeboat, per SOLAS regulations. (0% chose this)
  • Diesel fuel stored for the purpose of operating the powered survival craft for a period equal to or exceeding the U.S.C.G. and SOLAS requirements. (1% chose this)
  • None of these. (3% chose this)
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The Dual Watch (DW) function is used to:
  • Listen to Ch-70 at the same time while monitoring Ch-16. (19% chose this)
  • Sequentially monitor 4 different channels. (0% chose this)
  • Sequentially monitoring all VHF channels. (4% chose this)
  • Listen on any selected channel while periodically monitoring Ch-16. (76% chose this)
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When may a bridge-to-bridge transmission be more than 1 watt?
  • When broadcasting a distress message and rounding a bend in a river or traveling in a blind spot. (64% chose this)
  • When broadcasting a distress message. (22% chose this)
  • When rounding a bend in a river or traveling in a blind spot. (10% chose this)
  • When calling the Coast Guard. (4% chose this)
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What are the antenna requirements of a VHF telephony coast, maritime utility or ship station?
  • The shore or on-board antenna must be vertically polarized. (57% chose this)
  • The antenna array must be type-accepted for 30-200 MHz operation by the FCC. (16% chose this)
  • The horizontally-polarized antenna must be positioned so as not to cause excessive interference to other stations. (23% chose this)
  • The antenna must be capable of being energized by an output in excess of 100 watts. (5% chose this)
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When may you test a radiotelephone transmitter on the air?
  • Between midnight and 6:00 AM local time. (1% chose this)
  • Only when authorized by the Commission. (4% chose this)
  • At any time (except during silent periods) as necessary to assure proper operation. (84% chose this)
  • After reducing transmitter power to 1 watt. (10% chose this)
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Radiotelephone stations required to keep logs of their transmissions must include:
  • Station, date and time. (2% chose this)
  • Name of operator on duty. (2% chose this)
  • Station call signs with which communication took place. (2% chose this)
  • All of these. (95% chose this)
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The Urgency signal has lower priority than:
  • Ship-to-ship routine calls. (6% chose this)
  • Distress. (87% chose this)
  • Safety. (3% chose this)
  • Security. (4% chose this)
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Which is true concerning a required watch on VHF Ch-16?
  • It is compulsory at all times while at sea until further notice, unless the vessel is in a VTS system. (14% 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 VTS channel. (8% chose this)
  • It is always compulsory in sea areas A2, A3 and A4. (7% chose this)
  • All of the above. (71% chose this)
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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. (2% chose this)
  • Reserve Source of Energy. (82% chose this)
  • Reserve Source of Diesel Power. (1% chose this)
  • Emergency Back-up Generator. (15% chose this)
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How do you cancel a false EPIRB distress alert?
  • Transmit a DSC distress alert cancellation. (7% chose this)
  • Transmit a broadcast message to “all stations” canceling the distress message. (12% chose this)
  • Notify the Coast Guard or rescue coordination center at once. (75% chose this)
  • Make a radiotelephony “distress cancellation” transmission on 2182 kHz. (7% chose this)
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Which of the following statements best describes the correct setting for manual adjustment of the squelch control?
  • Adjust squelch control to the minimum level necessary to barely suppress any background noise. (82% chose this)
  • Always adjust squelch control to its maximum level. (3% chose this)
  • Always adjust squelch control to its minimum level. (9% chose this)
  • Adjust squelch control to approximately twice the minimum level necessary to barely suppress any background noise. (6% chose this)
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Where must ship station logs be kept during a voyage?
  • At the principal radiotelephone operating position. (83% chose this)
  • They must be secured in the vessel’s strongbox for safekeeping. (5% chose this)
  • In the personal custody of the licensed commercial radio operator. (6% chose this)
  • All logs are turned over to the ship’s master when the radio operator goes off duty. (6% chose this)
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VHF ship station transmitters must have the capability of reducing carrier power to:
  • 1 watt. (80% chose this)
  • 10 watts. (8% chose this)
  • 25 watts. (9% chose this)
  • 50 watts. (3% chose this)
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What information must be included in a Distress message?
  • Name of vessel. (0% chose this)
  • Location. (2% chose this)
  • Type of distress and specifics of help requested. (1% chose this)
  • All of the above. (97% chose this)
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Ordinarily, how often would a station using a telephony emission identify?
  • At least every 10 minutes. (22% chose this)
  • At the beginning and end of each transmission and at 15-minute intervals. (72% chose this)
  • At 15-minute intervals, unless public correspondence is in progress. (5% chose this)
  • At 20-minute intervals. (1% chose this)
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What are the characteristics of the Reserve Source of Energy under GMDSS?
  • Supplies independent HF and MF installations at the same time. (2% chose this)
  • Cannot be independent of the propelling power of the ship. (1% chose this)
  • Must be independent of the ship’s electrical system when the RSE is needed to supply power to the GMDSS equipment. (94% chose this)
  • Must be incorporated into the ship’s electrical system. (4% chose this)
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By international agreement, which ships must carry radio equipment for the safety of life at sea?
  • All ships traveling more than 100 miles out to sea. (23% chose this)
  • Cargo ships of more than 100 gross tons and passenger vessels on international deep-sea voyages. (5% chose this)
  • All cargo ships of more than 100 gross tons. (2% chose this)
  • Cargo ships of more than 300 gross tons and vessels carrying more than 12 passengers. (69% chose this)
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Under normal circumstances, what do you do if the transmitter aboard your ship is operating off-frequency, overmodulating or distorting?
  • Reduce to low power. (7% chose this)
  • Reduce audio volume level. (2% chose this)
  • Stop transmitting. (88% chose this)
  • Make a notation in station operating log. (2% chose this)
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Which VHF channel is used only for digital selective calling?
  • Channel 70. (63% chose this)
  • Channel 16. (16% chose this)
  • Channel 22A. (14% chose this)
  • Channel 6. (7% chose this)
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At what point does a SART begin transmitting?
  • It immediately begins radiating when placed in the “on” position. (11% chose this)
  • It must be manually activated. (4% chose this)
  • If it has been placed in the “on” position, it will respond when it has been interrogated by a 9-GHz RADAR signal. (60% chose this)
  • If it has been placed in the “on” position, it will begin transmitting immediately upon detecting that it is in water. (26% chose this)
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What should a station operator do before making a transmission?
  • Except for the transmission of distress calls, determine that the frequency is not in use by monitoring the frequency before transmitting. (86% chose this)
  • Transmit a general notification that the operator wishes to utilize the channel. (3% chose this)
  • Check transmitting equipment to be certain it is properly calibrated. (3% chose this)
  • Ask if the frequency is in use. (8% chose this)
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The “Scan” function is used to:
  • Monitor Ch-16 continuously and switching to either Ch-70 or Ch-13 every 5 seconds. (8% chose this)
  • Scan Ch-16 for Distress calls. (5% chose this)
  • Scan Ch-70 for Distress alerts. (0% chose this)
  • Sequentially scan all or selected channels. (87% chose this)
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What is the basic concept of GMDSS?
  • Shoreside authorities and vessels can assist in a coordinated SAR operation with minimum delay. (6% chose this)
  • Search and rescue authorities ashore can be alerted to a Distress situation. (6% chose this)
  • Shipping in the immediate vicinity of a ship in Distress will be rapidly alerted. (4% chose this)
  • All of these. (84% chose this)
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Which of the following is the primary frequency that is used exclusively for NAVTEX broadcasts internationally?
  • 518 kHz. (49% chose this)
  • 2187.5 kHz. (17% chose this)
  • 4209.5 kHz. (4% chose this)
  • VHF channel 16 when the vessel is sailing in Sea Area A1, and 2187.5 kHz when in Sea Area A2. (29% chose this)
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Which of the following statements is true?
  • Key letters or abbreviations may be used in GMDSS Radio Logbooks if their meaning is noted in the log. (60% chose this)
  • Key letters or abbreviations may not be used in GMDSS Radio Logbooks under any circumstances. (6% chose this)
  • All Urgency communications must be entered in the logbook. (26% chose this)
  • None of the above. (8% chose this)
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Equipment for radiotelephony use in survival craft stations under GMDSS must have what capability?
  • Operation on Ch-16. (68% chose this)
  • Operation on 457.525 MHz. (3% chose this)
  • Operation on 121.5 MHz. (6% chose this)
  • Any one of these. (23% chose this)
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For general communications purposes, paired frequencies are:
  • Normally used with private coast stations. (8% chose this)
  • Normally used between ship stations. (13% chose this)
  • Normally used between private coast and ship stations. (30% chose this)
  • Normally used with public coast stations. (49% chose this)
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What is the responsibility of vessels under GMDSS?
  • Vessels over 300 gross tons may be required to render assistance if such assistance does not adversely affect their port schedule. (10% chose this)
  • Only that vessel, regardless of size, closest to a vessel in Distress, is required to render assistance. (6% chose this)
  • Every ship is able to perform those communications functions that are essential for the Safety of the ship itself and of other ships. (63% chose this)
  • Vessels operating under GMDSS, outside of areas effectively serviced by shoreside authorities, operating in sea areas A2, and A4 may be required to render assistance in Distress situations. (21% chose this)
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Who is responsible for the proper maintenance of station logs?
  • The station licensee. (7% chose this)
  • The commercially-licensed radio operator in charge of the station. (19% chose this)
  • The ship’s master and the station licensee. (22% chose this)
  • The station licensee and the radio operator in charge of the station. (52% chose this)
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When is it legal to transmit high power on Channel 13?
  • Failure of vessel being called to respond. (2% chose this)
  • In a blind situation such as rounding a bend in a river. (5% chose this)
  • During an emergency. (17% chose this)
  • All of these. (76% chose this)
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Equipment for radiotelephony use in survival craft stations under GMDSS must have what characteristic(s)?
  • Operation on Ch-16. (8% chose this)
  • Watertight. (3% chose this)
  • Permanently-affixed antenna. (1% chose this)
  • All of these. (88% chose this)
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Why must all VHF Distress, Urgency and Safety communications (as well as VTS traffic calls) be performed in Simplex operating mode?
  • To minimize interference from vessels engaged in routine communications. (12% chose this)
  • To ensure that vessels not directly participating in the communications can hear both sides of the radio exchange. (62% chose this)
  • To enable an RCC or Coast station to only hear communications from the vessel actually in distress. (9% chose this)
  • To allow an RCC or Coast station to determine which transmissions are from other vessels and which transmissions are from the vessel actually in distress. (17% chose this)
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On what frequency would a vessel normally call another ship station when using a radiotelephony emission?
  • Only on 2182 kHz in ITU Region 2. (4% chose this)
  • On 2182 kHz or Ch-16, unless the station knows that the called vessel maintains a simultaneous watch on another intership working frequency. (78% chose this)
  • On the appropriate calling channel of the ship station at 15 minutes past the hour. (7% chose this)
  • On the vessel’s unique working radio channel assigned by the Federal Communications Commission. (11% chose this)
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Small passenger vessels that sail 20 to 150 nautical miles from the nearest land must have what additional equipment?
  • Inmarsat-B terminal. (6% chose this)
  • Inmarsat-C terminal. (7% chose this)
  • Aircraft Transceiver with 121.5 MHz. (5% chose this)
  • MF-HF SSB Transceiver. (82% chose this)
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The Urgency signal concerning the safety of a ship, aircraft or person shall be sent only on the authority of:
  • Master of ship. (21% chose this)
  • Person responsible for mobile station. (5% chose this)
  • Either Master of ship or person responsible for mobile station. (66% chose this)
  • An FCC-licensed operator. (8% chose this)
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