Buoyage & Lights Flashcards
1
Q
North Cardinal Mark
A
2
Q
South Cardinal Mark
A
3
Q
West Cardinal Mark
A
4
Q
East Cardinal Mark
A
5
Q
Lateral Mark & Preferred Channel Mark
A
6
Q
Isolated Danger Mark
A
7
Q
Safe Water Mark
A
8
Q
Special Mark
A
Can be used for a variety of purposes. I.e.
Mark a swimming or dredged area. Yacht racing marks. Delineate the edge of an anchorage
9
Q
Emergency Wreck Marking buoy
A
10
Q
Quick (Q) & Very Quick (VQ) flahes per minute
A
11
Q
Phocal plane of light
A
Nominal range = 10 Miles of Vis e.g. 30M (datum point for lights)
Luminus Range = Prevailing Vis at the time. (Max theoretical distance)
Geographical range = Max theoretical distance you will ever. e.g 30M
