Preferred channel marks are aids to navigation which all following marks other than().
A、channel junctions
B、bifurcations
C、fishing traps
D、wrecks or obstructions
A、channel junctions
B、bifurcations
C、fishing traps
D、wrecks or obstructions
A、A.odd or even numbers B、B.the color of their top band C、C.the location of the buoy in the channel junction D、D.the buoy's light rhythms
A、the starboard side of the channel B、the centerline of the channel C、an obstruction where the preferred channel is to starboard D、special purpose areas
A、A.light characteristic B、B.color of the uppermost band C、C.shape of an unlighted buoy D、D.color of the light
A、a junction with the preferred channel to the left B、a sharp turn in the channel to the right C、the starboard side of the channel D、a wreck to be left on the vessel's port side
A、the shape of an unlighted buoy B、the light color of a lighted buoy C、the color of the topmost band D、whether the number is odd or even
A、black and green bands B、red and green bands C、red and yellow bands D、yellow and green bands
A、fixed red light B、Morse (A) white light C、composite group-flashing light D、yellow light
A、Safe water mark B、Isolated danger mark C、Preferred channel mark D、Daymark of no lateral significance