USCG USCG GENNAV
Set 1 • Question #1 of 246
Launch Interactive Practice Room When using horizontal sextant angles of three objects to fix your position, an indeterminate position will result in which situation?
A
The objects lie in a straight line.
B
The vessel is inside of a triangle formed by the objects.
C
The vessel is outside of a triangle formed by the objects.
D
A circle will pass through your position and the three objects.
✓ Correct Answer
USCG NMC Regulatory Explanation
In three-point horizontal sextant angle fixes, an indeterminate position (the 'revolver' or danger circle) occurs when the vessel's position and all three observed landmarks lie on the circumference of the same circle, causing the position circles to coincide.
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