The Coordinator Surface Search (CSS) in a SAR situation should display by night（）.

The tension on an anchor cable increases so that the angle of the catenary to the seabed at the anchor reaches 10°. How will this affect the anchor in sandy soil?（）

Which is the most serious type of fracture?（）

Generally speaking，the most favorable bottom for anchoring is（）.

In each inflatable rescue boat，what piece of equipment is provided to make quick，emergency，temporary repairs to a large hole in a raft?（）.

One of the signals，other than a distress signal，that can be used by a vessel to attract attention is a(n)（）.

The ship touched the bottom（）the port side at 2000 hours.

The term MODERATE SPEED was previously interpreted as meaning a speed which would enable a vessel（）within half the range of visibility.

The key to rescuing a man overboard is（）.

If more than one raft is manned after the vessel has sunk，you should（）.