Deck Navigation (Supplementary) USCG Q#1850 (Set 5)

You are on course 355°T and take a relative bearing of a lighthouse of 275°. What is the true bearing of the lighthouse?

Official USCG Answer & Rule Citation

Correct Answer: Option C — 270°

True bearing is calculated using the formula: True Bearing = True Heading + Relative Bearing. With a True Heading of 355° and a Relative Bearing of 275°, the sum is 630°. Subtracting 360° results in a True Bearing of 270°T.

All Deck Navigation (Supplementary) Sets Practice Set 5