Your radar indicates a target; however, there is no visible object at the point indicated. A large mountain, approximately 50 miles away on the same bearing as the target, is breaking the horizon. You should suspect the radar target is caused by __________.
A
a submerged submarine
B
ducting
C
sub-refraction
D
ionospheric skip waves
E
İlgili Sorular
If you came into contact with nitrobenzene while disconnecting the cargo hose, you should be aware...The dimmest stars that could be reasonably used for navigational purposes are of what magnitude?A Permit to Proceed is issued by the __________.Which document lists all the lifesaving equipment required for a vessel?How long shall the operator of a vessel employed in the transferring of oil to other vessels keep t...