Bouyage Flashcards
A racon buoy showing Morse Delta is what?
An emergency wreck mark
Whats does ODAS stand for?
Observatioanl Data Acquisition System
Uses of a special Mark
CROFTS
Channel within a channel
Recreational
ODAS
Firing ranges/Military
TSS
Submarine cables
Safe water mark
top mark
Light sequence
Retroreflector
uses
1 red sphere
Morse A(Dit Dah)
1 long every 10s
Isophase or Occulting
Red over white or red by white
Safe water
Termination of channel or fairway
Mid channel
Landfall
Highest Clearance under a bridge
Where to look up bouyage info?
NP735
IALA maritime Bouyage System
Special mark, that flashes 5 every 20 secs, what is it?
ODAS buoy
What is the difference between a racon and a ramark?
Racon responds
Ramark transmits continuously or intermittently
Which way do you turn for a red pillar or spar?
You need the top mark or to know the region you are in.
Give all information and which way to go
ID
SHAPE
TOPMARK
RRTape
Lights
Buoy 1
Preferred Channel to Port (Region B)
Cone, pillar, spar
Red Band or Triangle for Retrotape
Red composite flash 2+1
Leave to Port if followed Primary
Leave to Starboard if followed Secondary
Buoy 2
Emergency Wreck Marking Buoy
Pillar or spar
Standing (St George’s) Yellow Cross
Blue and Yellow vertical bands of retrotape
1s Blue, 0.5s off, 1s Yellow, 0.5s off
Navigational assessment, APEM to safe water
Buoy 3
East Cardinal Mark
Pillar or Spar
Two cones, apexes apart
Two blue bands on upper black part only (comprehensive)
VQ(3) 5s, Q(3) 10s
STOP | FIX POSITION | CALL MASTER |APEM OUT
Give all information and which way to go
What is this?
East Cardinal Mark
Retroreflective Tape as per the IALA Comprehensive Code
Two blue horizontal bands on upper black portion only
What is this?
North Cardinal Mark
Retroreflective Tape as per IALA Comprehensive Code
Fat blue band on black part
Thin yellow band on yellow part
What is this?
South Cardinal Mark
Retroreflective tape as per IALA Comprehensive Code
Thin yellow band on yellow part
Fat blue band on black part
What is this?
West Cardinal Mark
Retroreflective tape as per IALA Comprehensive Code
Two yellow bands on upper yellow part only.
What is this
Safe Water Mark
Retroreflective tape as per Standard Code
What is the difference between the IALA Standard and Comprehensive Codes?
The Comprehensive Code provides more rigorous instruction on the marking and identification of unlit navigational buoys and is best exemplified by Scandinavian Countries where waterways not fit for commercial traffic are routinely used by private or leisure users
You are heading North and see this ahead of you.
Give as much information as you can and tell me your actions
North Cardinal Mark
Topmark: Two cones apexes up
Shape: Pillar or Spar
Light: White, Q (50-79fpm, usually 50-60) or VQ (80-159fpm, usually 100-120)
RetroTape:
Standard: One or more white bands, letters, numerals or symbols
Comprehensive: Blue band on black part, yellow band on yellow part. Blue band is twice the thickness of the yellow.
I am heading North towards a North cardinal; I would immediately take all way off as I am in the “danger zone.” Verify my position, navigational assessment, establish the nature of the hazard and call the Master.
Heading South, this is dead ahead.
ID, info and actions.
West Cardinal Mark
Topmark; two cones apexes together (W for Wineglass)
Shape; pillar or spar
Light; white, Q(9) 15s or VQ(9) 10s
Retrotape:
Standard: One or more white bands, letters, numerals or symbols
Comprehensive: Two yellow bands on upper yellow part only.
Heading South, I would alter course to starboard to leave this on my port side, as the clear water lies to the West of the mark.
What is this? All information please
Emergency Wreck Marking Buoy
Topmark: yellow standing cross
Shape: Pillar or spar; vertical stripes alternating blue and yellow (min4, max8)
Light: Alternating blue and yellow flash.
1s blue, 0.5s off, 1s yellow, 0.5s off.
Retrotape:
Vertical bands; blue on blue and yellow on yellow under Comprehensive Code.
