Buoyage Flashcards
What is IALA and when was it established?
International Association of Marine Aids to Navigation and Lighthouse Authorities
Established in 1957
When did the modern, more ‘unified’ system come into play?
1979
Where is region A, and where is region B?
Region B: American influence
N and S America
Japan
S Korea
Phillipines
Region A:
Everywhere else in the world (British Influence)
Order for describing Buoy-age characteristics
Colour
Shape
Topmark
Retro Reflectors
Light characteristics
North Cardinal
Black over Yellow
Pillar or Spar
Two cones pointing upwards
Blue over yellow
White, Continuous, Q/VQ
Stay North
East Cardinal
Black with Yellow horizontal band
Pillar or Spar
Two cones pointing away from each other
Blue over Blue
White, fl 3, Very quick 5 seconds, Very quick 10 seconds
Stay East
South Cardinal
Yellow over Black
Pillar or Spar
Two cones pointing down
Yellow over Blue
White, fl 6 + 1 long, very quick 10 seconds, quick 15 seconds
Stay South
West Cardinal
Yellow with one black horizontal band
Pillar or Spar
Two cones, Apexes point towards each other
Yellow over Yellow
White, fl 9, very quick 10 seconds, quick 15 seconds
Stay West
Safe Water Mark
Red and White
Sphere, Pillar or Spar
Red Sphere
Red and white, horizontal or vertical
White, Occulting, Isophase, long fl 10s, Morse A
Indicates:
Safe point of passage beneath a Bridge
Centreline
Mid channel
Landfall Buoy
Isolated Danger Mark
Black and Red
Pillar or Spar
Two black spheres
Blue over Red
White, group flash 2 (FUCK OFF)
Indicate an isolated danger, that has navigable water all around it
Emergency Wreck Mark Buoy
Came about after MV Tricolour, adopted into force in 2006
Blue and Yellow stripes (Min 4, Max 8)
Pillar or Spar
Yellow upright Cross
No reflective tape
Alternate flashing, blue and yellow. 1s on, 0.5s off
Racon Morse D and/or AIS transceiver
Nominal range 4nm
Could be double cardinal marks or double lateral marks
How long does an emergency wreck mark remain in place?
Until the buoy is well known in nautical publications
Until it has been properly surveyed, and the details are known (position, least depth)
Until a permanent means of marking the wreck has been installed
Special Mark
Yellow
Any shape
Yellow cross
Single piece of yellow tape
Yellow light, and rhythm not used by white lights
What can a Special mark Indicate?
Indicates:
Underwater cables
Recreational area
ODAS buoys
Function (military grounds)
Traffic separation schemes, where use of conventional markings may cause confusion
Spoil grounds
STBD lateral Mark Region A
STBD
Green
Cone, Pillar or Spar
Conical
Green band or Triangle
Green, any sequence except 2+1
What does November Charlie mean?
Distress
What does Yankee Golf Mean?
You appear not to be complying with a TSS
What does Romeo Yankee Mean?
Proceed at slow speed when passing
