A.a green star signal
B.orange-colored smoke
C.red flares
D.the repeated raising and lowering of outstretched arms
您可能感興趣的試卷
你可能感興趣的試題
A.Red flares or red rockets
B.Continuous sounding of fog signaling apparatus
C.International Code Flags November and Charlie
D.Basket hanging in the rigging
A.MAYDAY sent by radiotelephone
B.Continuous sounding of fog horn
C.Green star shells fired from a launcher
D.Square flag and ball in a vertical line
A.abandon ship
B.assist in taking whatever action is necessary to avoid collision
C.hold course and speed
D.sound a distress signal
最新試題
All of the following are distress signals EXCEPT（）.
What is NOT a distress signal?（）
All of the following are distress signals under the Rules EXCEPT（）.
After putting on a self-contained breathing apparatus，you open the air supply and hear a continuous ringing of a bell. What does this mean?（）.
The distress message of a ship should include considerable information which might facilitate the rescue. This information should（）.
By regulation，orange smoke distress signals will expire not more than how many months from the date of manufacture?（）
If you are transmitting a distress message by radiotelephone you should（）.
If you are transmitting a distress message by radiotelephone you should（）.
The color of rockets，shells，or rocket parachute flares used to indicate that the vessel is in distress and requires immediate assistance is（）.
When two vessels are in immediate danger of collision，the stand-on vessel must（）.