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Marine Radio Operator Permit
Element 1
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Marine Radio Operator Permit · 144 questions

Element 1 - USCG Exam Questions

Basic radio law and operating practice for the Marine Radio Operator Permit: equipment and licence requirements, watchkeeping, distress and safety procedures, and frequency rules. The exam asks 24 questions from this pool; 18 correct passes.

Every question below is a real U.S. Coast Guard exam question with four choices. Answer one and the correct choice is revealed instantly, with the USCG reference and illustration where the question uses one.

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All Element 1 questions

Questions 101–144 of 144 · page 2 of 2

  1. #101 The best way to test the Inmarsat-C terminal is?
  2. #102 When may you test a radiotelephone transmitter on the air?
  3. #103 Under normal circumstances, what do you do if the transmitter aboard your ship is operating off- frequency, overmodulating or distorting?
  4. #104 Which would be an indication of proper operation of a SSB transmitter rated at 60 watt PEP output?
  5. #105 If a ship radio transmitter signal becomes distorted:
  6. #106 What would be an indication of a malfunction on a GMDSS station with a 24 VDC battery system?
  7. #107 Your antenna tuner becomes totally inoperative. What would you do to obtain operation on both the 8 MHz and 22 MHz frequency bands?
  8. #108 Which of the following conditions would be a symptom of malfunction in a 2182 kHz radiotelephone system that must be reported to the Master, then logg...
  9. #109 What are the antenna requirements of a VHF telephony coast, maritime utility or ship station?
  10. #110 What is the antenna requirement of a radiotelephone installation aboard a passenger vessel?
  11. #111 What is the most common type of antenna for GMDSS VHF?
  12. #112 What is the purpose of the antenna tuner?
  13. #113 What advantage does a vertical whip have over a long wire?
  14. #114 A vertical whip antenna has a radiation pattern best described by?
  15. #115 For a small passenger vessel inspection, reserve power batteries must be tested:
  16. #116 What are the characteristics of the Reserve Source of Energy under GMDSS?
  17. #117 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 an...
  18. #118 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 wi...
  19. #119 What is the requirement for emergency and reserve power in GMDSS radio installations?
  20. #120 What is the meaning of “Reserve Source of Energy”?
  21. #121 What is an EPIRB?
  22. #122 When are EPIRB batteries changed?
  23. #123 If a ship sinks, what device is designed to float free of the mother ship, is turned on automatically and transmits a distress signal?
  24. #124 How do you cancel a false EPIRB distress alert?
  25. #125 What is the COSPAS-SARSAT system?
  26. #126 What is an advantage of a 406 MHz satellite EPIRB?
  27. #127 In which frequency band does a search and rescue transponder operate?
  28. #128 How should the signal from a Search And Rescue Radar Transponder appear on a RADAR display?
  29. #129 What is the purpose of the SART’s audible tone alarm?
  30. #130 Which statement is true regarding the SART?
  31. #131 At what point does a SART begin transmitting?
  32. #132 How can a SART’s effective range be maximized?
  33. #133 Which statement is NOT true regarding the requirements of survival craft portable two-way VHF radiotelephone equipment?
  34. #134 Which statement is NOT true regarding the requirements of survival craft portable two-way VHF radiotelephone equipment?
  35. #135 With what other stations may portable survival craft transceivers communicate?
  36. #136 Equipment for radiotelephony use in survival craft stations under GMDSS must have what capability?
  37. #137 Equipment for radiotelephony use in survival craft stations under GMDSS must have what characteristic(s)?
  38. #138 What is the minimum power of the SCT
  39. #139 NAVTEX broadcasts are sent:
  40. #140 MSI can be obtained by one (or more) of the following:
  41. #141 Which of the following is the primary frequency that is used exclusively for NAVTEX broadcasts internationally?
  42. #142 What means are used to prevent the reception of unwanted broadcasts by vessels utilizing the NAVTEX system?
  43. #143 When do NAVTEX broadcasts typically achieve maximum transmitting range?
  44. #144 What is the transmitting range of most NAVTEX stations?

Element 1 questions: what to expect

Q How many Element 1 questions are in the Marine Radio Operator Permit pool?

There are 144 Element 1 questions on this site, every one released by the U.S. Coast Guard or taken from the National Maritime Center's sample examinations, with its correct answer. The exam draws its Element 1 module from the same pool.

Q What score do I need to pass the Element 1 module?

Most USCG exam modules, including Element 1, require 70 percent to pass. Rules of the Road modules require 90 percent.

Q Are these the real USCG Element 1 exam questions?

Yes. They are the published U.S. Coast Guard questions, matched to the National Maritime Center's 2026 sample examinations. Answer any question to see the correct choice, the USCG reference and the illustration where the question uses one.

About the Marine Radio Operator Permit question pool

The complete FCC Element 1 question pool for the Marine Radio Operator Permit (MROP): basic radio law and operating practice every maritime radio operator must know. Element 1 is also the written element shared by the GMDSS Radio Operator and Maintainer licences.