Lighted white and orange buoys must show which color light?()
The articulated light is superior to other types of buoys because().
Buoys which only mark the left or right side of the channel will never exhibit a light with which characteristic? ()
Fishing gear with buoys ahead()you.
The changes in the channel’s sands and buoys on this coast are () this chart can not be considered as a safe guide of the channel.
Preferred channel buoys indicate the preferred channel to transit by().
Safe water buoys may show ONLY().
The ship is moored()buoys.
It is sometimes necessary to moor bow and stern to two mooring buoys in order to().
()is an equipment used to detect the presence of ships ,buoys,coast and many other targels and to obtain range and bearing of these targets.