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international code flags | navigation marks | lights and signals | sounds | IALA B buoyage system

Time for some O'l School Skills. Hover or Click Card for Quick or Detailed Information. Filter Options below

Navigation Marks
Emergency Wreck Mark
Remains in position until the wreck is published in nautical publications.
Remains in position until the wreck is published in nautical publications.
Code Flags
Mike
"My vessel is stopped and making no way through the water."[
"My vessel is stopped and making no way through the water."[
Navigation Marks
Special Mark
Buoys indicate pipelines or areas used for special purposes.
Buoys indicate pipelines or areas used for special purposes.
Navigation Marks
Special Mark
Buoys indicate pipelines or areas used for special purposes.
Buoys indicate pipelines or areas used for special purpos
Navigation Marks
Isolated Danger Mark
This type of buoy indicates the position of an isolated danger
This type of buoy indicates the position of an isolated danger
Code Flags
Papa
In harbour: "All persons should report on board as the vessel is about to proceed to sea".
Papa
Code Flags
Uniform
"You are running into danger."
"You are running into danger."
Code Flags
Yankee
"I am dragging my anchor."
"I am dragging my anchor."
Sounds and Symbols
5 Short Blasts
International/Inland - Danger/Doubt sound signal
get out of the way
Sounds and Symbols
Vessel At Anchor
Vessel over 7M at Anchor
At Anchor
Navigation Lights
Vessel Not Under Command
Making way
Vessel Not Under Command
Sounds and Symbols
2 Prolonged 1 Short Blast
I intend to overtake you on your starboard side
2long1short
Sounds and Symbols
2 Short Blasts
International - I am altering course to Port
2 short blasts
Sounds and Symbols
1 Short Blast
International - I am altering course to Starboard
one short
Navigation Lights
Trawler Over 50M
Trawler Over 50M Making Way
Navigation Marks
East Cardinal Mark
Placed in the EAST Quadrant of a Hazard
East Cardinal
Navigation Lights
Fishing Vessel
Fishing Vessel Engaged in Trawling
Fishing Vessel
Navigation Marks
North Cardinal Mark
Placed in the NORTH Quadrant of a Hazard
Placed in the NORTH Quadrant of a Hazard
Saildreams

International maritime signal flags are various flags used to communicate with ships.

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