FCC Marine Radio Operator Permit (MROP) Practice Test

These questions are part of the practice quiz. Start practicing

• What is the correct practice for ensuring a frequency is free before transmitting, excluding distress calls?
• How does coast station notify a ship that it has a message for the ship?
• How do you cancel a false EPIRB distress alert?
• Which logkeeping statement is true?
• Which statement is true after establishing contact on 2182 kHz or channel 16?
• Which system uses the 518 kHz frequency for its international broadcasts?
• What is true about the Reserve Source of Energy in relation to GMDSS and equipment power?
• What are the mandatory DSC watchkeeping bands/channels?
• F3E emission refers to which type of modulation?
• Which device’s audible tone alarm informs survivors that assistance may be nearby?
• The best way to test the MF-HF NBDP system is?
• What is required of a ship station which has established initial contact with another station on 218kHz or Ch-16?
• Under GMDSS, how often must a compulsory VHF-DSC radiotelephone installation be tested at sea?
• Which device is activated by manual on and responds to radar interrogation?
• Which term best describes the international satellite-based search and rescue system used by ships?
• The SART is designed to be detected by which radar band?
• Where should you apply for inspection of a ship GMDSS radio station?
• Where must the principle radiotelephone operating position be installed in a ship station
• What are the antenna requirements of a VHF telephony coast, maritime utility or ship station?
• To set up the MF/HF transceiver for a voice call to a coast station, the operator must:
• What is a bridge-to bridge station?
• Which organization certifies Part 80 marine transmitting equipment in the United States?
• Which statement describes the basic GMDSS concept as used in maritime safety communications?
• Under GMDSS, the Reserve Source of Energy must be independent of the ship's electrical system when powering which equipment?
• Which description matches a bridge-to-bridge station?
• What is a method used to verify MF/HF NBDP two-way communication with a coast station during testing?
• How can a SART's effective range be maximized?
• Which equipment is programmed to initiate transmission of distress alerts and calls to individual stations?
• What emission must be used when operating on the MF distress and calling voice frequency?
• What channel must all compulsory, non-GMDSS vessels monitor at all times in the open sea?
• Which action is proper when you observe a malfunction symptom on the 2182 kHz radiotelephone system?
• Which of the following describes the correct point of contact to schedule inspection for a GMDSS radio station?
• Which statement best describes how to verify that an Inmarsat-C terminal is operational?
• What is the transmitting range of most NAVTEX stations?
• When are EPIRB batteries changed?
• Portable survival craft transceivers may communicate with which stations?
• To set-up the MF/HF transceiver for a TELEX call to a coast station, the operator must:
• GMDSS is primarily a system based on
• INT-USA control settings primarily affect which aspect of VHF channel usage?
• Who is required to make entries in a required service or maintenance log?
• What is the purpose of the SART's audible tone alarm?
• What's the responsibility of vessels under GMDSS?
• What is the order of priority of radiotelephone communications in the maritime services?
• Which statement about logkeeping is true?
• What is Distress traffic?
• Why must all MF-HF Distress, Urgency and Safety communications take place solely on the 6 assigned frequencies and in the simplex operating mode?
• What safety signal call word is spoken three times, followed by the station call letters spoken three times, to announce a storm warning, dangers to navigation, or special aid to navigation?
• Which is true concerning a required watch on VHF Channel 16?
• Which statement describes the correct setting for manual adjustment of the squelch control?
• What must be posted or kept for inspection by every commercial operator on duty and in charge of a transmitting system?
• A portable survival craft transceiver can communicate with which stations?
• NAVTEX broadcasts are sent in categories indicated by what?
• Which signal is used to indicate an Urgency call internationally?
• VHF ship station transmitters must have the capability of reducing carrier power to what level?
• DSC controller is used to initiate distress alerts and calls to which destinations?
• For general communications purposes, paired frequencies are:
• Where must the principal radiotelephone operating position be installed in a ship station?
• An EPIRB serves as which type of device?
• Which would be an indication of proper operation of a SSB transmitter rated at 60 watt PEP output?
• What is the purpose of the Receiver Incremental Tuning (RIT) or 'Clarifier' control?
• Which VHF channel is used only for digital selective calling
• In which frequency band does a search and rescue transponder operate?
• On a passenger ship equipped with a GMDSS installation, how many operators on board must hold a GMDSS Radio Operator License or Restricted GMDSS Radio Operator License, depending on the ship's operating area?
• How should the signal from a Search And Rescue Radar Transponder appear on a RADAR display?
• How should MF/HF transceiver power levels be set?
• If a ship radio transmitter signal becomes distorted, what is the proper action?
• When may you perform a transmitter test on the air?
• Which channel is used for the required bridge-to-bridge watch in most areas of the United States?
• When testing is conducted on 2182kHz or Ch-16, testing should not continue for more than _____ in any 5 min period
• The best way to test the Inmarsat-C terminal is?
• What is the minimum radio operator requirement for ships subject to the Great Lakes Radio Agreement?
• Which statement about GMDSS is true?
• What is defined as a back-up power source that provides power to radio installations for distress and safety when the vessel's main and emergency generators cannot?
• Under what circumstances may a coast station using telephony transmit a general call to a group of vessels?
• What is the most common type of antenna for GMDSS VHF?
• Which of the following best describes the SART's method of operation?
• When may the operator of a ship radio station allow an unlicensed person to speak over the transmitter?
• For MF/HF TELEX calls to a coast station, which modes may be selected according to the equipment manufacturer?
• Which statement best describes the order of priority for maritime communications?
• Which statement describes a characteristic of the Reserve Source of Energy (RSE) under GMDSS?
• In GMDSS Radio Logbooks, which statement is true about using abbreviations?
• How long should station logs be retained when there are entries relating to distress or disaster situations?
• At what point does a SART begin transmitting?
• When is a Marine Radio Operator Permit or higher license required for aircraft communications?
• What is the minimum transmitter power level required by the FCC for a medium-frequency transmitter aboard a compulsorily fitted vessel?
• What is a Safety transmission
• Which statement is NOT true regarding the requirements of survival craft portable two-way VHF radiotelephone equipment?
• NAVTEX broadcasts are international on which frequency?
• A ship station that has established initial contact on 218kHz or Ch-16 must communicate on an authorized working frequency for the transmission of messages.
• Who has ultimate control of service at a ship's radio station?
• The Urgency signal has lower priority than
• Which frequency is the primary frequency used exclusively for NAVTEX broadcast internationally?
• Which channel operation is NOT required for survival craft portable two-way VHF equipment?
• Minimum interval for testing a compulsory VHF-DSC radiotelephone installation at sea?
• A constant 30 volt reading on the GMDSS console voltmeter would indicate
• Which statement about survival craft portable two-way VHF radiotelephone equipment is NOT true?
• Which modes could be selected to receive vessel traffic lists from high seas shore stations?
• When a watch is required on 2182 kHz, at how many minutes past the hour must a 3 minute silent period be observed?
• A ship station using VHF bridge-to-bridge Channel 13 may be identified by the ship's name in lieu of the call sign.
• Which statement is NOT true regarding the requirements of survival craft portable two way VHF radiotelephone equipment?
• What is the most common type of antenna for GMDSS VHF?
• What VHF channel is used to call a shore telephone?
• Where must ships station logs be kept during a voyage?
• Which statement best describes the NACTEX filtering function?
• Who bears responsibility for maintaining ship station logs?
• What is the best way for a radio operator to minimize interference to other stations?
• Which statement about Channel 70 is true?
• EPIRB tests are normally logged on a monthly basis.
• Which of the following would be a symptom of malfunction in a 2182 kHz radiotelephone system that must be reported to the Master and logged?
• In the context of MF transmitters on compulsorily fitted vessels, what does MF stand for?
• Small passenger vessels that sail 20 to 100 nautical miles from the nearest land must have what addition equipment?
• If a transmitter is not FCC Part 80 certified and there are no exemptions, what is the proper course of action?
• Which statement defines ITU Channel 1212?
• What is a requirement for all marine transmitting apparatus used aboard United States vessels?
• By international agreement, which ships must carry Radio equipment for the safety of life at sea?
• Which of the following statements is true about GMDSS logbooks?
• Radio watches for compulsory radiotelephone stations will include the following
• What information must be included in a Distress message?
• Which statement describes a fundamental function of the SART when triggered by radar?
• If a ship sinks, what device floats free of the mother ship, is turned on automatically, and transmits a distress signal?
• What is the proper procedure for making a correction in the station log?
• Survival craft portable VHF radiotelephone equipment operates simplex on which channel?
• What would indicate a malfunction on a GMDSS station with a 24 VDC battery system?
• How long should distress-related logs be retained from the last date of entry?
• Which of the following statements about GMDSS is true?
• Which statement best describes the licensing requirement for GMDSS operators on a passenger ship with a GMDSS installation?
• Which of the following statements about transmitting equipment certification is true?
• Vessel Traffic Service (VTS) is operated in designated waters by which agency?
• On VHF, which channel is commonly used for DSC distress and safety functions on survival craft radios?
• A portable survival craft transceiver can communicate with which stations?
• What advantage does a vertical whip antenna have over a long wire?
• Which device is used to transmit distress signals automatically in a sinking vessel?
• Which of the following persons are ineligible to be issued a commercial radio operator license?
• What means are used to prevent reception of unwanted broadcasts by vessels utilizing the NACTEX system?
• When may you test a radiotelephone transmitter on the air?
• Your antenna timer becomes totally inoperative. What would you do to obtain operation on both 8 MHz and 22 MHz frequency bands?
• The primary purpose of the GMDSS is to:
• Equipment for radiotelephony use in survival craft stations under GMDSS must have what characteristic(s)?
• Who determines when a ship station may transmit routine traffic destined for a coast or government station in the maritime mobile service?
• Which of the following statements about power sources in GMDSS-equipped ships is correct?
• NAVTEX broadcasts typically achieve maximum transmitting range at what time?
• Which channel is utilized for the required bridge-to-bridge watch?
• When using SSB station on 2182 kHz or VHF-FM on channel 16, which statement is NOT a required action?
• Which commercial radio operator license is required to operate a fixed-tuned ship RADAR station with external controls?
• Which of the following is true?
• In the event of failure of the ship's main and emergency electrical power sources, the Reserve Source of Energy is used to power what?
• NAVTEX primary international broadcast frequency is which?
• What does SART stand for?
• Which statement is true about survival craft portable VHF equipment?
• What is the priority of communications?
• Shipboard transmitters using F3E emission (FM voice) may not exceed what carrier?
• Under the Great Lakes Radio Agreement, what minimum credential must ships have for radio operation?
• Under what circumstances may a ship or aircraft station interfere with a public coast station?
• NAVTEX transmissions typically cover approximately what distance?
• Who is responsible for the proper maintenance of station logs?
• The Dal Watch (DW) function is used to
• Where should calls to a coast station using radiotelephony be initiated?
• All compulsory equipped cargo ships outside harbor shall keep a continuous radiotelephone watch on which frequencies or channels?
• What is a typical Urgency transmission?
• Which channel is designated for initial distress and related calls in maritime VHF communications?
• The Urgency signal concerning the safety of a ship, aircraft or person shall be sent only on the authority of
• Who has ultimate control of service at a ship's radio station?
• Your antenna tuner becomes totally inoperative. What would you do to obtain operation on both the 8 MHz and 22 MHz frequency bands?
• What is the requirement for the Reserve Source of Energy under GMDSS?
• What is the purpose of the antenna tuner?
• The "Scan" function is used to:
• For general communications purposes, paired frequencies are normally used with:
• What is the fundamental concept of the GMDSS?
• Which emission is used for distress and calling voice frequency on MF bands?
• NAVTEX uses categorized broadcasts indicated by a single letter or identifier. This describes which aspect of NAVTEX messaging?
• Radio telephone stations required to keep logs of their transmissions must include?
• What is the internationally recognized Urgency signal?
• Which statement about Safety transmissions is correct?
• What are the highest priority communications from ships at sea?
• Which statement is true regarding the SART?
• What is the antenna requirement of a radiotelephone installation aboard a passenger vessel?
• Which frequency is designated as the MF radiotelephony calling and Distress frequency?
• Which statement concerning log entries is false?
• What is the length of the silent period required during a 2182 kHz watch?
• What is the responsibility of vessels under GMDSS?
• In the International Phonetic Alphabet, the letters E, M, and S are represented by the words:
• Which statement best describes MF-HF Distress, Urgency and Safety traffic on the air?
• Where should the GMDSS radio log be kept on board ship?
• Small passenger vessels that sail 20 to 100 nautical miles from the nearest land must have what additional equipment?
• Which statement best describes radiotelephony equipment requirements for survival craft stations under GMDSS?
• What is an EPIRB?
• Which statement is true about ITU Channel 1212?
• What is the purpose of INT-USA control settings on a VHF?
• Which bands are MF/HF radio systems mentioned as using in the material?
• When do NAVTEX broadcasts typically achieve maximum transmitting range?
• A SART will respond to interrogation by which signal?
• What does PEP stand for in the context of transmitter power?
• Ordinarily, how often would a station using a telephony emission identify?
• Which statement describes the power requirements for GMDSS radio installations on newly constructed ships?
• To operate a fixed-tuned ship radar station with external controls, which license is required?
• When may a bridge-to-bridge transmission be more than 1 watt?
• ITU Channel 1212 is part of which frequency band?
• What traffic management service is operated by the U.S. Coast Guard in designated waters to prevent collisions, groundings, and environmental harm?
• When is it legal to transmit high power on Channel 13?
• Which organization may notify a change to the log retention period?
• On what frequency should a ship station normally call a coast station when using a radiotelephony emission?
• What transmitting equipment is authorized for use by a station in the maritime services?
• A vertical whip antenna has a radiation pattern best described by?
• What is the basic concept of GMDSS
• Which channel is used for survival craft portable VHF radiotelephone equipment?