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Deck · 3,245 questions

Safety - USCG Exam Questions

Firefighting, lifesaving appliances and survival craft, emergency procedures, first aid, and pollution prevention regulations.

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 Safety questions

Questions 201–300 of 3,245 · page 3 of 33

  1. #256 Which kind(s) of broadcasts are available through Safety NET?
  2. #257 Which satellite system promulgated Maritime Safety Information?
  3. #258 Marine Safety Information is promulgated via satellite through which system?
  4. #260 When signaling by flag hoist, what signal indicates completion of the communication?
  5. #261 A vessel is signaling to you by flag hoist, and the answer pennant is hoisted close-up. What action should you take?
  6. #262 You are approaching another vessel and see that she has the signal flag "F" hoisted. What should you do?
  7. #263 You are approaching another vessel and see that she has the signal flag "A" hoisted. What should you do?
  8. #264 You are approaching another vessel and see that she has the signal flag "J" hoisted. What should you do?
  9. #265 You are approaching another vessel and see that she has the signal flag "W" hoisted. What should you do?
  10. #266 You are approaching a small vessel and see that it has the signal flag "T" hoisted. What should you do?
  11. #267 At sea, you are approaching a small vessel and see that it has the signal flag "P" hoisted. What should you do?
  12. #268 You are approaching another vessel and see that it has the signal flag "O" hoisted. What is your next action?
  13. #269 While in port, what signal flag would inform the vessel's crew to report on board because the vessel was about to proceed to sea?
  14. #270 What signal flag is the "Pilot Flag" ("I have a pilot on board")?
  15. #271 While using the International Code of Signals, how can the receiving station indicate that they are able to distinguish the flag signal of the transmi...
  16. #272 The flag hoist 62.2 would be sent as pennant 6, pennant 2 followed by what?
  17. #273 How would the flag hoist 1.33 be sent?
  18. #274 What is the correct interpretation of the flag hoist G, 4, 2, 1, first substitute.
  19. #275 What is the correct interpretation of the flag hoist F 2 1 3 second substitute?
  20. #276 How should a receiving station indicate that it cannot distinguish a signal sent by flag hoist?
  21. #277 Several vessels are at an anchorage. You wish to communicate with the vessel bearing 046°T from you but do not know the vessels call letters. Which fl...
  22. #278 You are signaling by flag hoist using the International Code of Signals. You wish to send the signals CL and IW and have them read in that order. What...
  23. #279 How does a warship indicates that it wishes to communicate with a merchant ship?
  24. #280 If you send a flag hoist of MAJ 8, what information are you conveying?
  25. #281 What flag signal would you hoist if you wanted to ask a nearby vessel if he had a doctor on board?
  26. #283 Which tank vessel must carry a signaling lamp?
  27. #284 Which group would be used to send the signal Greenwich mean time 11:35 pm?
  28. #285 What would a signal indicating Greenwich mean time would be preceded with?
  29. #286 What letter is a signal indicating zone time preceded with?
  30. #287 The signal T 0735 means __________.
  31. #288 What is the meaning of the flashing light signal "D0910"?
  32. #289 What is the International Code signal for a decimal point between figures using flashing light?
  33. #290 What is the International Code signal for calling an unknown station using flashing light?
  34. #291 What is the standard rate of signaling by flashing light?
  35. #292 You have called another vessel by flashing light and he has answered your call properly. You now send your call sign "DE KLIS". What should he respond...
  36. #293 How is the "call" part of a signal by flashing light made?
  37. #294 A message by flashing light consists of four elements, including the call, the identity, the text, and what fourth element?
  38. #295 When signaling by flashing light, what should the signal "C" should be used to indicate?
  39. #296 Which signal given by flashing light changes a statement into a question?
  40. #297 When signaling by flashing light, how should you acknowledge a correctly received repetition of a signal?
  41. #298 In a message sent by flashing light, what group of letters will direct the receiver of a message to repeat the transmission back to the sender?
  42. #299 The groups "AA" and "AB" are used in conjunction with what other group in signaling by flashing light?
  43. #300 If you make an error while signaling by flashing light what action should you take?
  44. #301 What is the unit of duration of a dash in Morse Code?
  45. #302 In all forms of signaling, what is the waiting signal?
  46. #303 What should be used to send the group "Bearing 074° True"?
  47. #304 If you receive a message "A243" by any method of signaling, what would it be referring to?
  48. #305 What does the signal "AS", when used in signaling by the International Code of Signals mean?
  49. #306 If there is a possibility of confusion, which signal should be used to send the group "True Bearing 045 Degrees"?
  50. #307 Which signal should be used to send the group "Distance 750 nautical miles"?
  51. #308 What is indicated by the signal letter R followed by one or more numbers?
  52. #309 Which group should be used to send the signal Longitude 109°34'West?
  53. #310 What is the meaning of the signal "G0325"?
  54. #311 What is the meaning of the signal "G1325"?
  55. #312 In signaling, when sent with a complement, what may the letter G be followed by?
  56. #313 Which group should be used to send the signal "Latitude 73°25'North"?
  57. #314 The signal L1210 means the __________.
  58. #315 If you sent out a signal on 12 March 1980, the date would be indicated by __________.
  59. #316 While communicating with a shore station concerning an injured female, your message should indicate the subject's age is 32. Which code would your mes...
  60. #317 An oiler was badly burned and you are communicating with a passenger ship that has a doctor and hospital on board. You want to rendezvous in a certain...
  61. #318 You have an AB who has become violently ill, and you are requesting urgent medical advice. Your message should contain which code?
  62. #319 You receive a medical message that contains the code MSJ. What is the meaning of the message?
  63. #320 After sending a message describing the symptoms of an ill crew member, you receive a message containing the code MRL. What is the meaning of the messa...
  64. #321 If a crew member that was ill has died, which code should your message contain?
  65. #322 If an ill crew member is beginning to show signs of improvement, what code should your message contain?
  66. #323 In the International Code of signals, what does a group of three letters indicates?
  67. #324 You are off the coast of South Africa, when a seaman is injured. What indicator should be used in a message requesting medical advice from a South Afr...
  68. #325 While operating off the coast of Portugal, a seaman is injured. What indicator should be used in a message requesting medical advice from a Portuguese...
  69. #326 While operating off Panama a seaman is injured. What indicator should be included in the preamble of a radio telegram requesting medical advice from a...
  70. #327 While operating off the coast of Greece, a seaman is injured. What indicator should be in the preamble of a radio telegram asking for medical advice f...
  71. #328 If you were being assisted by an icebreaker and he sent you the single letter "Q", what would he would be telling you?
  72. #329 What does the single letter G, sent by an icebreaker to an assisted vessel, mean?
  73. #330 You are downbound in an ice filled channel. An icebreaker is meeting you and sounds two short, one prolonged, and two short blasts on the whistle. Wha...
  74. #331 Signals between an icebreaker and an assisted vessel may NOT be given by __________.
  75. #332 Which single-letter sound signal may be made only in compliance with the International Rules of the Road?
  76. #333 Which single-letter sound signal(s) may only be made in compliance with the Rules of the Road?
  77. #334 When signaling a course using the International Code of Signals, the signal __________.
  78. #335 If you desire to communicate with another station that your navigation lights were not functioning, what signal would you send?
  79. #336 Regardless of the method it is sent, what does he signal K4 mean?
  80. #337 What is the meaning of the signal VJ 8 when sent by the International Code of Signals?
  81. #338 What is the meaning of the signal DX RQ when sent by the International Code of Signals?
  82. #339 You wish to communicate information that the swell in your area is 8-10 feet in height and from the northeast. How would you describe this swell, as d...
  83. #340 In the International Code of Signals, what is the code signal meaning "I require immediate assistance?
  84. #341 If you are in urgent need of a helicopter, which signal code should you send?
  85. #342 If another station sent you the signal "KG", what would this indicate?
  86. #343 What is the meaning of the signal QU RQ when sent by the International Code of Signals?
  87. #344 What is the meaning of the signal SA T1035 RQ when sent by the International code of Signals?
  88. #345 What is the lifesaving signal for "You are seen - Assistance will be given as soon as possible"?
  89. #346 What does the lifesaving signal indicated by a horizontal motion of a white light or white flare mean?
  90. #347 The color of rockets, shells, or rocket parachute flares used to indicate that the vessel is in distress and requires immediate assistance is ________...
  91. #348 What is the lifesaving signal for "You are seen - Assistance will be given as soon as possible"?
  92. #349 What is the lifesaving signal indicating "You are seen - Assistance will be given as soon as possible"?
  93. #350 When should you use distress flares and rockets?
  94. #351 What is the lifesaving signal for "You are seen - Assistance will be given as soon as possible"?
  95. #352 Which visual distress signal is acceptable for daylight use only?
  96. #353 When you are firing a pyrotechnic distress signal, it should be aimed __________.
  97. #354 If an airplane circles a vessel 3 times, crosses the vessel's course close ahead while rocking the wings, and heads off in a certain direction, what d...
  98. #355 An airplane wants a vessel to change course and proceed towards a vessel in distress. The actions of the aircraft to convey this message will NOT incl...
  99. #356 A yellow signal floating in the air from a small parachute, about 300 feet above the water, would indicate that a submarine __________.
  100. #357 The color of the signal flare sent up by a submarine indicating that a torpedo has been fired in a training exercise is __________.

Safety questions: what to expect

Q How many Safety questions are in the Deck pool?

There are 3,245 Safety 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 Safety module from the same pool.

Q What score do I need to pass the Safety module?

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

Q Are these the real USCG Safety 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.

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About the Deck question pool

The Deck pool holds the current U.S. Coast Guard questions for every deck credential, from Able Seaman and the OUPV six-pack up to unlimited Master. Each question is multiple choice with four options, graded instantly, with the USCG reference shown where one exists.