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35 Cards in this Set
- Front
- Back
Navigation Rules International-Inland Instruction? |
COMDTINST M16672.2
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What are the 3 Navigational Zones?
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1. Restricted waters (harbors, approaches to harbors, near coastal) |
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Y/N. Can a vessel less than 20 meters in length or sailing vessel impede a vessel that can safely navigate only within the channel?
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NO
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When overtaking vessels what should you do?
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Starboard (right) - 1 horn blast
Port (left) - 2 horn blasts |
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Vessel is nearing a bend or area where vessels may be obscured by obstructions shall do what?
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Long horn blast to warn others you are approaching.
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When 2 power-driven vessels are crossing what do you do.
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See image
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Stand-on mean?
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Vessel which is directed by rule to keep its course and speed.
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Give-way mean?
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Vessel which is directed by rule to keep out of the way.
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Night Lights for power-driven vessel (>50 meters) underway
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Masthead - 225°, white
- single, as forward as practical - second light abaft and higher Sidelights - 112.5°, green/red Sternlight - 135°, white |
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Night Lights for power-driven vessel (<50 meters) underway
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Masthead - white
Sidelights - red/green Sternlight - white |
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Night Lights for power-driven vessel (<12 meters) underway
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Mastlight - White
Sidelights - Red/Green |
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Night Lights for power-driven vessel (<7 meters and <7 knots) underway
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Mastlight - White
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Night lights and day shape for vessels towing or pushing (tow lenth > 200m astern)
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3 masthead lights in a row
sidelights yellow towing light above sternlight diamond day shape |
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Night lights and day shape for vessels towing or pushing (tow lenth < 200m astern)
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2 masthead lights in a row sidelights
yellow towing light above sternlight |
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What is the day shape and night lights for a sailing vessel under power?
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Day - triangle pointing down
Night - “Red over green, sailing machine” |
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Day shape and night lights for fishing vessels.
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“Red over White,
Fishing at Night” |
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Night lights and day shapes for vessels not under command
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“Red over red, captain is dead”
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Night lights and day shapes for restricted in ability to maneuver
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“Red, White, Red, Restricted Ability Ahead”
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Night lights and day shapes for mine-sweepers.
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“Three greens in a cross, mine-clearing boss.”
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Night lights and day shapes for vessels at anchor
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Mastlight single
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Night lights and day shapes for vessels aground
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See image
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When all three lights I see ahead,
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When all three lights I see ahead,I turn to Starboard and show my Red:Green to Green, Red to Red,Perfect Safety -- Go Ahead.
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But if to Starboard Red appear,
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But if to Starboard Red appear, It is my duty to keep clear -- To act as judgment says is proper: To Port or Starboard, Back or Stop her. |
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And if upon my Port is seen a Steamer's Starboard light of Green,
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And if upon my Port is seen a Steamer's Starboard light of Green, I hold my course and watch to see, That Green to Port keeps Clear of me.
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Both in safety and in doubt Always keep a good look out.
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Both in safety and in doubt Always keep a good look out.
In Danger, with no room to turn, Ease her, Stop her, Go Astern. |
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GREEN To GREEN, RED To RED
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Perfect Safety Go Ahead
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Yellow Over White
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Tow Line Is Tight
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Red Over Green
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Sailing Machine
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Green Over White
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Trawling At Night
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Red Over White
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Fishing At Night |
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Red Over Red
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The Captain Is Dead
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Red, White, Red
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Restricted Ability Ahead
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Three Reds In A Row
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No Room Below
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Three Greens In A Cross
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Mine-clearing Boss
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White Over Red
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Pilot Ahead |