A.lights that must be displayed on anchor buoys
B.the display of load line markings
C.minimum horsepower for tugs involved in rig moves
D.lighting of mobile offshore drilling units being towed
您可能感興趣的試卷
你可能感興趣的試題
A.2 to 4 seconds
B.4 to 6 seconds
C.6 to 8 seconds
D.8 to 10 seconds
A.Geographical positions outlining the area of the sector
B.True bearings as observed from the ship toward the light
C.An outline of the area of the sector
D.True bearings as observed from the light toward the ship
A.show a fixed red light if lighted
B.show a Morse (A) white light
C.be square in shape
D.have an even number if numbered
A.must be displayed when day signals are being used
B.must be displayed when moored to a pier
C.may be extinguished at night on open waters when no other vessels are in the area
D.may be displayed during daylight
A.green lights
B.red lights
C.yellow lights
D.white lights
最新試題
A vessel being towed astern，where the length of the tow exceeds 200 meters，will exhibit （）.
The prohibition against displaying lights which may be confused with required navigation lights applies（）.
Entering from seaward，triangular-shaped daymarks are used to mark（）.
A towing light is a yellow light having the same characteristics as a(n)（）
During the day，a vessel with a tow over 200 meters in length will show（）.
As defined in the Rules，a towing light is a yellow light having the same characteristics as a(n)（）.
All fog signals shall be sounded every two minutes with the exception of a vessel（）.
Some lights used as aids to marine navigation have a red sector to indicate a danger area. The limits of a colored sector of a light are listed in the Light List in which of the following manners?（）
On entering from seaward，a starboard side daymark will（）.
If your vessel were proceeding down river (descending)，a green square marker with a green reflector border on the right bank would be a（）.