-
Mashead Light (Fore and Aft)
- 225 degree
- 20 pts
- white
- 50-watt two-filament lamp
- top of fore and aft mast
- define topmost portion of ship, indicate direction traveling
-
Ster Light
- 135 degree
- 12 pts
- white (blue of ops)
- 50-watt filament lamp
- main deck stern area facing aft
- indicate stern of ship and direction traveling
-
Port Running Light
- 112.5 degree
- 10 pts
- red
- port side above main deck
- indicate direction of travel
-
Starboard Running Light
- 112.5 degree
- green
- starboard side above main deck
- indicate direciton of travel
-
Forward Towing Light
- 225 degree
- 20 pts
- white
- near top of fore mast
- indicates ship is involved in towing ops
-
After Towing Light
- 135 degree
- 12 pts
- yellow
- 2 meter directly above white stern light
- indicates ship is involved in towing ops
-
Breakdown and Man Overboard Lights
- 360 degree
- 32 pts
- red
- six 15-watt one-filament lamps
- 2 meters apart vertically on both sides of the mast or structure
- indicates ship is not under steerage way or man is in the water (when blinking)
-
Constrained by Draft Light
- 360 degree
- 32 pts
- red
- nine 15-watt, one-filament lamps
- near top of mast
- indicates ship cannot maneuver clear due to deep draft
-
Clearance/Obstruction Lights
- 360 degree
- 32 pts
- red/green
- 2 meters apart horizontally not les than 2 meters away from task lights athwarship direction
- indicates which side of ship is obstructed during salvage ops, dredging, etc
-
Minesweeping Light
- 360 degree
- 32 pts
- green
- 50-watt lamps
- one near foremast head and one at each end of yardarm
- indicates it is dangerous for another vesel to approach within 1,000 meters
-
Ship's Task Light
- 360 degree
- 32 pts
- upper: red, center: clear, lower: red
- multiple 15-watt, one-filament lamps
- both sides of mast or structure
- must be visible for 3 miles
- indicates ship is in a restricted maneuverability status
-
Forward Anchor Light
- 360
- 32 pts
- white
- 50-watt, one-filament lamp
- near stem ship
- along with aft anchor light, indicates length of ship and fwd end from which chain protrudes
-
After Anchor Light
- 360 degree
- 32 pts
- white
- 50-watt, one-filament lamp
- on top of flagstaff aft
- along with fwd anchor light, indicates lenght of ship
-
Wake Light
- - flagstaff or after part of the ship
- - 50-watt lamp
-
Aircraft Warning Light
- - 360 degree
- - 32 pts
- - red
- - near the op of each mast
- - 15-watt, one-filament lamps
-
Revolving Beam ASW (Grimes) Light
- - use during ASW ops
- - 2 red, 2 gree, and 2 amber
-
Station Marker Box Signal Light
- - red
- - two - 25 watt, one for stand by
- - for for replenishment
-
Hull Contour Lights
- - 135 degree
- - blue
- - use to assist the receiving ship coming alongside during replenishment
-
Blinker Lights
- - 360 degree
- - 32 pts
- - white
- - outboard on the signal yardarm, one port, one stbd
- - multiple 15-watt, one-filament lamps
-
Multiple Signal Light
- - use as a spot light or as a blinker light
- - power by batt or 120/20v
- - comes with re, gree, and yellow lenses
-
Searchlights
- - illumination of distant object and visual signaling
- - classified accoring to size of reflector
- - 8 - sealed beam incandesment lamp
- - 12 - incandescent and mercury-xenon
- - 24 - carbon-arc
- - 4 parts: base, yoke, housing and lamp
-
Flood Lantern Charge: all three indicator balls afloat at the surface of the electrolyte
cell is fully charged
-
Flood Lantern Charge:green ball sinks
10% discharged
-
Flood Lantern Charge: white ball sinks
50% discharged
-
Flood Lantern Charge: red ball sinks
90% discharged
-
Small Boat and Service Craft Light
- - less than 50 meter: uses 24 vdc navigation light
- - 25-watt, single vertical-filament lamp
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