Practice for the OUPV exam, free.

6 questions. Pick an answer to see its rule.

1. Question 1, General, Inland

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

   AThe coastline of the United States out to one mile offshoreBThe Great Lakes on the United States side of the boundaryCThe waters surrounding any islands of the U.S.DAny lakes within state boundaries
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   B. The Great Lakes on the United States side of the boundary

   Inland Waters run shoreward of the COLREGS demarcation lines and include the Western Rivers and the Great Lakes on the U.S. side of the boundary.

   Inland Rule 3. Source: NMC sample exam.

2. Question 2, Lights, Inland

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

   Atwo amber lights in a horizontal lineBa fixed green light over a red flashing lightCa high intensity flashing white light (strobe)Dan alternately flashing red and yellow light
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   D. an alternately flashing red and yellow light

   Patrol vessels at a marine event may use a flashing blue light or the alternately flashing red and yellow light. Remember red and yellow as the non-police alternative.

   33 CFR Parts 88 and 100. Source: NMC sample exam.

3. Question 3, Seamanship, International and Inland

   Which of the following is a hook that will release quickly?

   AMargin hookBMarginal hookCPelican hookDLongshore hook
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   C. Pelican hook

   A pelican hook is hinged and held by a ring, so knocking the ring free releases it quickly, even under load.

   General seamanship. Source: NMC sample exam.

4. Question 4, Seamanship, International and Inland

   You are preparing to slush a stay on your vessel by lowering yourself down the stay in a bosun's chair. The proper way to do this is to ride down the stay on a riding shackle in which configuration?

   AWith the pin of the shackle riding on the stayBWith the pin of the shackle through the chair's bridle eyeCWith a hook attaching the chair to the riding shackleDConnected to a second shackle on the chair
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   B. With the pin of the shackle through the chair's bridle eye

   The shackle's pin goes through the bridle eye and the bow rides the stay, so the turning shackle can't work the pin loose.

   General seamanship. Source: NMC sample exam.

5. Question 5, Electronics, International and Inland

   Which information must automatic identification systems (AIS) automatically provide to appropriately equipped shore stations, vessels and aircraft?

   ANavigational statusBVessel's typeCVessel's courseDAll of the above
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   D. All of the above

   AIS automatically broadcasts identity, type, position, course, speed and navigational status.

   33 CFR 164.46. Source: NMC sample exam.

6. Question 6, Electronics, International and Inland

   On which of the following does an automatic identification system (AIS) transponder transmit and receive information?

   A3 cm, X-band radarB10 cm, S-band radarCVHF maritime bandDUHF L-band
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   C. VHF maritime band

   AIS works on the VHF maritime band, not on radar frequencies.

   33 CFR 164.46. Source: NMC sample exam.