When whistle signals are used for launching lifeboats，one sh

Which of the following statements is TRUE regarding automatic identification systems（AIS）________．

A.AIS cannot be used to make passing arrangements because the system is not capable of this type of ship-to-ship communications

B.AIS cannot be used to make passing arrangements because the ship-to-ship text messaging feature is for emergency use only

C.AIS can be used to make passing arrangements via ship-to-ship text messaging but a vessel operator is not relieved from the requirement to sound whistle signals or make arrangements via bridge-to-bridge radiotelephone

D.AIS can be used to make passing arrangements via ship-to-ship text massaging thus relieving a vessel operator from making such arrangements via bridge-to-bridge radiotelephone or signaling intent to pass via whistle signals

One of the signals, other than a distress signal, that can be used by a rescue boat to attract attention is a/an ______.

A.red star shell

B.searchlight

C.burning barrel

D.orange smoke signal

In which case would an overtaking vessel sound a whistle signal of two prolonged followed by one short blast? ______.

A.When overtaking in restricted visibility

B.When overtaking in a narrow channel

C.When overtaking on open waters

D.When no other vessels are in the immediate area

Coast Guard approved buoyant work vests ______．

A.may be substituted for 10 percent of the required life preservers

B.should be stowed adjacent to lifeboats and emergency stations

C.may be used by boat crews and line handlers during lifeboat drills

D.should be used when carrying out duties near a weather deck's edge