OUPV Captains Navigation General Exam Prep 2025 Questions and Answers

OUPV Captains Navigation General
Exam Prep 2025 Questions and
Answers


Nav General - ✔✔Nav General

Whats the length of a nautical mile




a. 1,700

b. 2,000

c. 6,076 - ✔✔6,076 feet

Preferred channel aids to navigation are marked with_______




a. Numbers

b. Letters

c. Orange strips

d. Yellow - ✔✔Letters

In the U.S. Aids to navigation system, red and green horizontally-banded buoys mark


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, a. Channels for shallow draft

b. General anchorage areas

c. Preferred channels - ✔✔Preferred channels

You are outbound in a buoyed channel on course and sight a white light showing a
Morse (A) to port. For safety you should




a. Change course to 359*T to pass near to the buoy

b. Stay in the channel and leave the buoy to port

c. Alter course to 000*T and leave the buoy well clear to starboard

d. Check the chart to see where - ✔✔Stay in the channel and leave the buoy to port

VHF channel 16 is used for initial contact for:




a. Marine operator

b. Navigation information

c. Distress calls

d. Weather reports - ✔✔Distress call

A special purpose buoy is colored




a. White and brown

b. Black



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