RATING: NAVIGATION LIGHTS

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Author:
pascual
ID:
3450
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RATING: NAVIGATION LIGHTS
Updated:
2009-12-27 00:19:33
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  1. 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
  2. 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
  3. Port Running Light
    • 112.5 degree
    • 10 pts
    • red
    • port side above main deck
    • indicate direction of travel
  4. Starboard Running Light
    • 112.5 degree
    • green
    • starboard side above main deck
    • indicate direciton of travel
  5. Forward Towing Light
    • 225 degree
    • 20 pts
    • white
    • near top of fore mast
    • indicates ship is involved in towing ops
  6. After Towing Light
    • 135 degree
    • 12 pts
    • yellow
    • 2 meter directly above white stern light
    • indicates ship is involved in towing ops
  7. 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)
  8. 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
  9. 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
  10. 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
  11. 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
  12. 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
  13. 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
  14. Wake Light
    • - flagstaff or after part of the ship
    • - 50-watt lamp
  15. Aircraft Warning Light
    • - 360 degree
    • - 32 pts
    • - red
    • - near the op of each mast
    • - 15-watt, one-filament lamps
  16. Revolving Beam ASW (Grimes) Light
    • - use during ASW ops
    • - 2 red, 2 gree, and 2 amber
  17. Station Marker Box Signal Light
    • - red
    • - two - 25 watt, one for stand by
    • - for for replenishment
  18. Hull Contour Lights
    • - 135 degree
    • - blue
    • - use to assist the receiving ship coming alongside during replenishment
  19. Blinker Lights
    • - 360 degree
    • - 32 pts
    • - white
    • - outboard on the signal yardarm, one port, one stbd
    • - multiple 15-watt, one-filament lamps
  20. 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
  21. 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
  22. Flood Lantern Charge: all three indicator balls afloat at the surface of the electrolyte
    cell is fully charged
  23. Flood Lantern Charge:green ball sinks
    10% discharged
  24. Flood Lantern Charge: white ball sinks
    50% discharged
  25. Flood Lantern Charge: red ball sinks
    90% discharged
  26. 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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