Bouyage Flashcards
What is IALA?
INTERNATIONAL ASSOCIATION OF MARINE AIDS TO NAVIGATION AND LIGHTHOUSE AUTHORITIES
IALA is a non-profit, international technical association.
IALA contributes to a reduction of marine accidents, increased safety of life and property at sea, as well as the protection of the marine environment.
Publication of IALA Standards, Recommendations, Guidelines and Model courses.
What can I reference the IALA Bouyage system?
NP 735
What is the IALA B region?
North- & South-America, South Korea, Japan, Philippines and the eastern Pacific (American influenced)
What is the IALA A region?
Rest of the world (UK influenced)
What is a NORTH Cardinal marker?
North of the danger
Color: Black over yellow
Shape: Pillar or spar (if a bouy)
Topmark: Two black cones apex pointing UPWARDS
Retroreflector: Blue over yellow
Light: White QF or VQF
Would always pass NORTH of a north cardinal marker
What is a EAST Cardinal marker?
EAST of the danger
Color: Black Yellow Black
Shape: Pillar or spar (if a bouy)
Topmark: Two black cones apex pointing AWAY (egg)
Retroreflector: Blue over blue
Light: White VQF(3)5s or QF(3)10s
Would always pass EAST of a east cardinal marker
What is a SOUTH Cardinal marker?
SOUTH of the danger
Color: Yellow over black
Shape: Pillar or spar (if a bouy)
Topmark: Two black cones apex pointing DOWNWARDS
Retroreflector: Yellow over blue
Light: White VQF(6)+LF(1)10s or QF(6)+LF(1)15s
Would always pass SOUTH of a east cardinal marker
What is a WEST Cardinal marker?
WEST of the danger
Color: Yellow Black Yellow
Shape: Pillar or spar (if a bouy)
Topmark: Two black cones apex pointing TOWARDS each other (Wine glass)
Retroreflector: Yellow over yellow
Light: White QF(9)15s or VQF(9)10s
Would always pass WEST of a west cardinal marker
What is an Isolated danger mark?
Marks danger with navigable waters all around, you would do a chart assessment and then pass it well clear
Color: Black and red
Topmark: Two black spheres
Shape: No significant shape attached, in case of bouys - Pillar or Spar
Light: White GP.FL(2)
Retroreflector: Blue over red
I would consult the chart and pass it with by a wider as practicable
What is a Safe water mark?
- Used to indicate centreline
- Mid-channel or Landfall bouy
- Indicate the best point of passage under a fixed bridge
Color: Red and white
Topmark: Red sphere if the bouy isn’t spherical, fitted wherever practicable
Shape: Spherical, Pillar or Spar
White light:
* Occulting (more light than dark)
* Isophase (equal light and dark)
* Flashing one long every 10s
* Morse A (Dot Dash) (Short Long)
Retroreflector: Red over white or white and red band
I would consult the chart and pass it on my port side going with direction of bouyage therefore as rule 9 says it would be in the centre of a channel and we drive on the right
REGION A
What is a STBD Lateral mark?
Color: Green
Shape: Conical, Pillar or Spar
Topmark: Single green cone pointing upwards
Light: Green flashing light any rhythm other than composite group flashing (2+1)
Retroreflector: Green band or triangle
REGION A
What is a PORT Lateral mark?
Color: Red
Shape: Can, Pillar or Spar
Topmark: Single red can
Light: Red flashing light any rhythm other than composite group flashing (2+1)
Retroreflector: Red band or square
REGION B
What is a STBD Lateral mark?
Color: Red
Shape: Conical, Pillar or Spar
Topmark: Single red cone pointing upwards
Light: Red flashing light any rhythm other than composite group flashing (2+1)
Retroreflector: Red band or triangle
REGION B
What is a Port Lateral mark?
Color: Green
Shape: Can, Pillar or Spar
Topmark: Single green can
Light: Green flashing light any rhythm other than composite group flashing (2+1)
Retroreflector: Green band or square
REGION A
What is Preferred channel to starboard mark?
Color: Red Green Red
Shape: Can, Pillar or Spar
Topmark (when fitted): Single red can
Light: Fl(2+1)R
Retroreflector: Red band or square