8 - Coastal navigation Flashcards
(45 cards)
what color on a chart signifies shallow water
deep blue
what does green color area on a chart indicate
dry during low tide
what does white color area on a chart mean
deep water
what color is used for land on a chart
yellow
chart abbreviations for
broken, chalk, high water, sand, stone, beacon, fine, rock , shells, tower, coarse, gravel, radio tower, soft, wharf
bk, chk, HW, S, St, Bn, f, R, Sh, Tr, c, G, Ra, so, Whf
draw the symbol for conical buoy, can buoy
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draw the symbol for starboard buoy, port buoy
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draw the symbol for isolated danger mark
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draw the symbol for north cardinal mark
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draw the symbol for dangeorus wreck with depth unknown
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how is a wreck with depth known indicate on a charted
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how is a fishing stoke/kelong indicated on a chart
-
how does the symbol indicating radio report on a chart look like
-
what is the name of the chart covering singapores area
GSP1
how many m is a NM
1852m
difference between variation and deviation in nautical terms
variation = difference between true north and magnetic north, deviation = each boats magnetic interference
in a compass rose, what is the outer ring and the inner ring
outer ring = true north, inner ring = magnetic compass
how many high and low tides in a day usually
2 high 2 low
what color is port and starboard hand marks
port is red, starboard is green
what colors is a preferred channel marker
pref channel to starboard: red-green-red
pref channel to port: green-red-green
what is the shape and color used to indicate isolated danger
2 black balls then black-red-black
what is the flashing light used for isolated danger mark if fitted
group of 2 flashing white lights
what is the shape used for safe water marker
red ball then red/white stripes
what is the shape used for special marks
yellow cross on top
