Skip to main content
CaptainsGround

USCG Exam Practice · Three-bearing fix and cocked-hat triangle

Which combination of observations provides a direct fix without advancing any LOP?

  1. ATwo compass bearings taken five minutes apart to the same object
  2. BRadar range and bearing to a single charted target taken simultaneously✓ correct
  3. CA compass bearing to one object followed by a doubling-the-angle bearing
  4. DA single compass bearing to a charted lighthouse

Why B is correct

Radar range and bearing to a single charted target taken at the same instant yield two simultaneous LOPs — a circular range arc and a bearing line — whose intersection is a direct fix. Bowditch Ch. 13 §1301 and Bowditch Ch. 7 §701.

Cited:Bowditch Ch. 13 §1301Bowditch Ch. 7 §701

Drill more Three-bearing fix and cocked-hat triangle questions

Every CaptainsGround answer cites the rule it tests — verified, not guessed. Try a free 5-question drill, no sign-up.

Try 5 free questions →Three-bearing fix and cocked-hat triangle practice

More practice questions

Which combination of observations provides a direct fix without adv… — USCG Exam Practice · CaptainsGround