USCG USCG GENNAV
Set 2 • Question #55 of 246
Launch Interactive Practice Room Civil twilight begins at 1910 zone time on 20 July 1981. Your DR position at that time is LAT 22°16'N, LONG 150°06'W. Which statement concerning the planets available for evening sights is TRUE?
A
Venus will have a westerly meridian angle.
✓ Correct Answer
B
Mars will set about one hour after the Sun sets.
C
Mars, Venus, Jupiter, and Saturn will be above the horizon.
D
Sights of Saturn, Jupiter, and Venus will yield a good three-line- of-position fix.
USCG NMC Regulatory Explanation
In USCG General Navigation principles (Bowditch, Light Lists, and Coast Pilots), regarding 'Civil twilight begins at 1910 zone time on 20 July 1981. Your DR position at that time is LAT 22°16'N, LONG 150°06'W. Which statement concerning the planets available for evening sights is TRUE', the verified fact is: 'Venus will have a westerly meridian angle.'.
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