USCG USCG GENNAV
Set 7 • Question #197 of 246
Launch Interactive Practice Room When the index and horizon mirrors of a properly adjusted sextant are at an angle of 45° to each other, the arc reads __________
A
22 1/2°
B
45°
C
60°
D
90°
✓ Correct Answer
USCG NMC Regulatory Explanation
In USCG General Navigation principles (Bowditch, Light Lists, and Coast Pilots), regarding 'When the index and horizon mirrors of a properly adjusted sextant are at an angle of 45° to each other, the arc reads', the verified fact is: '90°'.
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