marine navigational aid definition

marine navigational aid means lighthouse, light ship, port light, buoy, beacon, sign, signal or other structure, mark, device or apparatus that is or is intended to be an aid to marine navigation, and includes radio beacon or electronic aid;
marine navigational aid means all buoys, beacons, marks, signs, lights and installation placed to assist marine navigation;
marine navigational aid means buoys, beacon, mark and signs in aid of marine navigation, including electronic aids to marine navigation not carried on board a vessel;

More Definitions of marine navigational aid

marine navigational aid means all buoys, beacon, marks and signs in aid of marine navigation, including any electronic aid to marine navigation not carried on board a vessel;