Master or Mate 200 Ton Practice Test (Near Coastal)

The 200-ton ticket: bigger head boats, dinner cruises, dive boats and small ferries, out to 200 miles. Coast Guard exam code ONC05.

175 real questions from the Coast Guard National Maritime Center's public sample exams, free. Rules of the Road needs 90%. Every other module needs 70%.

Passing score: Coast Guard pass marks module by module, and the retest rules

What's free: daily rounds, the Brig, the drills and the Pass Meter, for every license. Your first module test is free too. After that, the full Exam Room is $19, once. No subscription.

What's on the test

The Q153 Chart Plot (chart 13205 TR) and the Navigation Problems modules module is done on a paper chart at the exam, so it isn't here. Practice it with the chart and tools.

10 sample questions

1. For the purpose of the Inland Navigation Rules, the term "Inland Waters" includes which of the following?

   • A.The coastline of the United States out to one mile offshore
   • B.The Great Lakes on the United States side of the boundary
   • C.The waters surrounding any islands of the U.S.
   • D.Any lakes within state boundaries
   Show answer

   B. The Great Lakes on the United States side of the boundary

   Q100, Rules of the Road: International & Inland

2. You are making a sharp turn in a channel and using a buoy four points on the bow to gauge your rate of turn. If you observe the buoy moving aft relative to you, what should you do?

   • A.Decrease speed
   • B.Maintain a constant rate of turn
   • C.Increase the rate of turn
   • D.Decrease the rate of turn
   Show answer

   C. Increase the rate of turn

   Q160, Deck General

3. Deballasting a double bottom has what effect on KG?

   • A.KG is increased.
   • B.KG is not affected.
   • C.KG is decreased.
   • D.KG increases at light drafts and decreases at deep drafts.
   Show answer

   A. KG is increased.

   Q161, Deck Safety

4. Which would influence a magnetic compass?

   • A.Electrical wiring
   • B.Radio
   • C.Iron pipe
   • D.All of the above
   Show answer

   D. All of the above

   Q171, Navigation General: Near Coastal

5. A law enforcement vessel patrolling a marine regatta may exhibit a flashing blue light or which of the following alternates?

   • A.two amber lights in a horizontal line
   • B.a fixed green light over a red flashing light
   • C.a high intensity flashing white light (strobe)
   • D.an alternately flashing red and yellow light
   Show answer

   D. an alternately flashing red and yellow light

   Q100, Rules of the Road: International & Inland

6. Fueling results in the collection of waste oil in drip pans and containers. Which is an approved method of disposing of the waste oil?

   • A.Draining it overboard when the vessel gets underway
   • B.Adding sinking agents and discharging it into the water
   • C.Discharge to a proper reception facility
   • D.Mixing it with dispersants before draining it overboard
   Show answer

   C. Discharge to a proper reception facility

   Q160, Deck General

7. When a wind force causes a vessel to heel to a static angle, the __________.

   • A.righting moment equals the wind-heeling moment
   • B.center of buoyancy remains the same
   • C.centers of buoyancy and gravity are in the same vertical line
   • D.deck-edge immersion occurs
   Show answer

   A. righting moment equals the wind-heeling moment

   Q161, Deck Safety

8. Which level of accuracy can be obtained utilizing the U.S. Coast Guard's Maritime Differential GPS in an established coverage area?

   • A.10 meters
   • B.20 meters
   • C.50 meters
   • D.92 meters
   Show answer

   A. 10 meters

   Q171, Navigation General: Near Coastal

9. A commercial vessel engaged in public safety activities may display a(n) identity light(s). Which of the following is appropriate for these activities?

   • A.alternately flashing red and yellow light
   • B.flashing yellow light
   • C.alternately flashing blue and red light
   • D.flashing blue light
   Show answer

   A. alternately flashing red and yellow light

   Q100, Rules of the Road: International & Inland

10. Which term is sometimes used to refer to a disk with a horizontal line through its center, equivalent to the summer load line on a vessel?

    • A.The deadrise mark
    • B.The Plimsoll mark
    • C.The maximum allowable draft mark
    • D.The tonnage mark
    Show answer

    B. The Plimsoll mark

    Q160, Deck General

What the study guide does

• Short daily rounds of 10 questions, with a streak.
• Practice tests built like the real one, scored with the real pass marks (first one free, then $19 once for the full Exam Room).
• The Brig: questions you miss come back until you get them right twice.
• Pass Meter: your chance of passing every module if you sat it today, worked out from your own answers.
• Lights, shapes and sound signal drills (Rules 21-35).