Buoyage Flashcards
What does IALA stand for
International Association of Marine Aids to Navigation and Lighthouse Authorities
Which Areas fall into Region “A” in relation to Buoyage
Europe, Africa, Most of Asia, Australia
Which Areas fall into Region “B” in relation to Buoyage
North and South America, Japan, Korea, Philippines
In Region “A” what colour are the Port Buoys
Red
In Region “A” what colour are the Starboard Buoys
Green
In Region “B” what colour are the Port Buoys
Green
In Region “B” what colour are the Starboard Buoys
Red
What shape are Port Hand Lateral Marks always
Cans
What shape are Starboard Hand Lateral Marks always
Cones
When referring to Buoyage lights what does “VQ” stand for
Very quick (120bpm)
When referring to Buoyage lights what does “Q” stand for
Quick (60bpm)
When referring to Buoyage lights what does “Fl” stand for
Flashing
When referring to Buoyage lights what does “LFI” stand for
Long Flash
When referring to Buoyage lights what does “ISO” stand for
Isophase, equal time on and off
When referring to Buoyage lights what does “Occ” stand for
Occulting, the time on is longer than the time off
When referring to Buoyage lights what does “MoA” stand for
Morse code A, the light flashes one short and then one long as in the morse letter A
What are the Five categories of Buoys
Cardinal Marks
Isolated Danger Marks
Lateral Marks
Special Marks
Safe Water Mark
What are Lateral Marks
Lateral marks are Buoys indicating Port and Starboard
What sequence can Lateral Marks flash in
Any sequence EXCEPT 2+1 short flashes
What are Preferred Channel Marks
Preferred channel markers are placed at the split of channels to indicate that it splits and identifies which is the preferred channel
Name the key aspects of a Port Hand lateral Marker
Can be Spar, Pillar or Can shaped
Top Mark is a Can
Primary shape (Can) does not have a top mark
Red in Region “A”
Green in Region “B”
Name the key aspects of a Starboard Hand Cardinal Marker
Can be Spar, Pillar or Can shaped
Top Mark is a Cone
Primary shape (Cone) does not have a top mark
Green in Region “A”
Red in Region “B”
Name the key aspects of a Preferred Channel to Starboard Mark in Region “A”
Red Spar, Pillar, or Can with a Green band
Top mark is a single Red Can
Primary shape is a Can
Light Rhythm is 2+1
Red Light
Name the key aspects of a Preferred Channel to Starboard Mark in Region “B”
Green Spar, Pillar, or Can with a Red band
Top mark is a single Green Can
Primary shape is a Can
Light Rhythm is 2+1
Green Light
Name the key aspects of a Preferred Channel to Port Mark in Region “A”
Green Spar, Pillar, or Cone with a Red Band
Top mark is a single Green Cone
Primary Shape is a Cone
Green Light
Light Rhythm is 2+1
Name the key aspects of a Preferred Channel to Port Mark in Region “B”
Red Spar, Pillar, or Cone with a Green Band
Top mark is a single Red Cone
Primary Shape is a Cone
Red Light
Light Rhythm is 2+1
Describe a North Cardinal Marker
Yellow, Black
Two arrows pointing Upwards
Describe a South Cardinal Marker
Black, Yellow
Two arrows pointing Downwards
Describe an East Cardinal Marker
Black, Yellow, Black
Two arrows pointing away from each other
Describe a West Cardinal Marker
Yellow, Black, Yellow
Two arrows pointing towards each other
What is the flash pattern on a North Cardinal Marker
VQ or Q white flash
What is the flash pattern on a East Cardinal Marker
VQ (3) white flashes every 5 seconds
or
Q(3) white flashes every 10 seconds
What is the flash pattern on a South Cardinal Marker
VQ (6) + Long white flash every 10 seconds
or
Q(6) + Long white flash every 15 seconds
What is the flash pattern on a West Cardinal Marker
VQ (9) white flashes every 10 seconds
or
Q (9) white flashes every 15 seconds
Describe an Isolated Danger Mark
Black with one or more red bands
Two black spheres in a vertical line as a top mark
White light, group 2 flashes
Describe a Safe Water Mark
White and Red stripes
Isophase light or occulting or MoA or one long flash every 10 seconds
Describe a Special Mark
Yellow (any shape, but shape can influence course)
Yellow X as top mark
Many different flash patterns used
Describe a Wreck Mark
Blue and yellow stripes
Yellow + as top mark
Blue and yellow flashing light
One second flash with half a second interval
Describe ODAS buoys
Ocean Data Acquisition System
Yellow
Yellow light
Will have ODAS written on the side
Five short flashes in twenty seconds
Describe what happens with Unlit Buoys
They are fitted with retro-reflective tape to aid identification
East Cardinal Mark
North Cardinal Mark
South Cardinal Mark
West Cardinal Mark
Isolated Danger Mark
Preferred Channel to Port, Region A
Preferred Channel to Port, Region B
Preferred Channel to Starboard, Region A
Preferred Channel to Starboard, Region B
Port Hand Lateral Mark, Region A
Port Hand Lateral Mark, Region B
Starboard Hand Lateral Mark, Region A
Starboard Hand Lateral Mark, Region B
Safe Water Mark
Special Mark
Wreck Mark