A.two red lights
B.one green light
C.one white light
D.one amber light
您可能感興趣的試卷
你可能感興趣的試題
A.circle of equal altitude
B.parallel of declination
C.parallel of altitude
D.vertical circle
A.straight line
B.arc
C.parabola
D.hyperbola
A.all-round yellow light only
B.all-round white light only
C.all-round blue light only
D.alternating red and yellow light
A.I am in doubt as to your actions
B.My engines are full speed astern
C.I desire to overtake you
D.I am operating astern propulsion
A.should be righted by standing on the carbon dioxide cylinder，holding the righting straps and leaning backwards
B.should be righted by standing on the life line，holding the righting straps leaning backwards
C.will right itself when the canopy tube inflates
D.must be cleared of the buoyant equipment before it will right itself
最新試題
A vessel in distress should send by radio telephone the two tone alarm signal followed immediately by the（）.
After jacking down your liftboat you have an unexpected list.You find that the only cause of this list must be a flooded leg.Your next course of action should be to（）.
For details of these and other lights the larger scale charts and Admiralty Lists should be （）.
A sweep oar is an oar that is（）.
The latest known details of lights are given in（）.
Mean high water is the average height of（）.
What is the use of the books of Admiralty List of Lights and Fog Signals? Their use is to （）.
Lines drawn through points on the Earth having the same atmospheric pressure are known as （）.
The information on ocean voyage planning with routeing details for powered and sailing vessels is likely found in（）.
Many of the lights on this coast are placed so high as to be frequently obscured by（）.