Safety fairway buoy:
North cardinal mark:
South cardinal mark:
West cardinal mark:
East cardinal mark:
Sounding of doubtful depth:
Submarine pipeline:
Radio reporting (both ways):
Wreck which is cleared by wire sweep to depth is given:
Production platform showing flare:
Suspended well over which depth is 15 mtrs:
Rock which dries at the level of chart datum:
3kts flood tide:
Submarine power cable:
Wreck mast visible:
A pilot point:
Leading lights:
Underwater wreck of unknown depth, dangerous to surface navigation:
Radio reporting point:
Wreck showing part of hull:
Can buoy:
Radio mast:
Contour lines with spot height:
Rock awash at the level of chart datum:
Underwater rock of known depth not dangerous to surface navigation:
Obstruction which has been swept by wire of depth shown:
Sounding in true position:
Eddies:
Foul ground:
Unsurveyed wreck over which depth unknown considered to be safe clearance
20m:
Isolated danger mark:
Ocean current:
Current in restricted waters:
Wreck depth unknown dangerous to surface navigation:
Temple:
Mean sea level:
Unused pipeline:
Disused submarine cable:
Wreck:
Fish haven:
Limit of safety zone around offshore installation:
No bottom found until depth of 330m:
Overfalls, tide rips:
Quarantine anchorage area:
Dangerous goods anchorage area:
Suspended well over which depth is unknown:
Anchoring prohibited area:
Edd stream 2.8 kts:
Production platform:
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Historic wreck area:
Major light float:
