An obstruction light on a mobile offshore drilling unit on the waters of the U.S. Outer Continental Shelf, shall have a lens that is visible over an arc of ___________.
A
60°
B
90°
C
180°
D
360°
E
İlgili Sorular
Life preservers must be marked with the _________________.What will be the velocity and direction of the tidal current at Mobile River Entrance, AL, at 0915 C...You are enroute to assist vessel A. Vessel A is underway at 6 knots on course 133°T, and bears 343°...Subtracting the height of the center of gravity corrected for transverse free surface effects from t...What would give the best radar echo?