Buoys & Beacons Flashcards
Name 5 types of Marks
- Lateral
2.Cardinal - Isolated Danger
- Safe Water
- Special
How to ID marks by DAY?
- Colour
- Shape
- Top Mark
How to ID marks at NIGHT?
1.Colour
2. Rhythm of Light
Name the 4 Lateral Marks
1.Port Hand
2. Starboard Hand
3.Preffered Channel to PORT
4.Preffered Channel to STARBOARD
What colour is Port Mark?
RED
What colour is Starboard Mark
GREEN
What shape is Port Hand Buoy
Cylindrical (Can)
What shape is Starboard buoy
Conical
What shape is Port hand Top Mark
Single Red Cylinder
What shape is Starboard Top Mark
Single GREEN cone
What colour is: Preferred Channel to PORT
Green with broad RED horizontal band
What colour is Preferred Channel to Starboard
Red with broad GREEN band
Name PORT convention sequence
Port= Even, 2,4,6,8 etc
Name Starboard convention sequence
Starboard = Odd, 1,3,5 etc
How would you pass a Cardinal Quadrant marked N?
Named Cardinal Quadrants should be passed to named side (e.g pass North of NORTH MARK)
What are the usage of Cardinal Marks?
- indicate deepest water on the name side of Mark
- Safe side to pass a danger
- Draw attention to feature: Bend or Junction etc
What two colours are Cardinal Marks painted
Yellow & Black horizontal bands
What is flash rate for Very Quick (VQ) light?
Either 100 or 120 flash per min
What is flash rate for Quick (Q) light?
Either 50 or 60 flash per min
How many Cardinal Flashes for WEST
Either 9 (VQ) or 9 (Q) flashes
How many Cardinal Fladhes for SOUTH
Either 6 (VQ + L.Fl) or 6 (Q +L.Fl )
How many Cardinal Flashes EAST?
Either 3 (VQ) or 3 (Q)
How many Cardinal Flashes North?
Its a CONTINUOUS “very quick” or “quick” flashing light
North Cardinal Top Mark Shape
2 Black Cones, one above the other pointing upwards
🔺️
🔺️
