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Flashcards in Buoyage, Charts & Navigation Deck (138)
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1

What is IALA?

International Association of Lighthouse Authorities

2

IALA Region A 

  • Europe and most of the world

3

IALA Region B

  • North and South america
  • Caribbean
  • Japan, Korea and Philippines 

4

Describe the basic rules for IALA Zone A

  • Port marks are red, can shaped and may have a red flashing light of any rhythm
  • Starboard marks are green, cone shaped and may have a green flashing light of any rhythm

 

"Is there any red port left"

5

Decribe the basic rules for IALA zone B

  • Port marks are green, can shaped and may have a green flashing light of any rhythm.
  • Starboard marks are red, cone shaped and may have a red flashing light of any rhythm.

"Red right returning"

6

What is the shape of port marks in the IALA system?

  • Square/can shape or have a can shape topmark

7

What is the shape of starboard marks in the IALA system?

  • Conical or have a conical shaped top mark

8

Describe this Buoy. What system is it associated with?

  • Square can shaped
  • Port hand mark
  • Red
  • IALA system A

9

Describe this Buoy. Wha system is it associated with?

  • Conical shaped
  • Starboard hand mark
  • Green
  • IALA system A

10

Describe this Buoy. What system is it associated with?

  • Can shaped
  • Port hand mark
  • Green
  • IALA system B
  • (F) 1s or 4s

11

Describe this Buoy. What system is it associated with?

  • Conical in shape
  • Starboard hand mark
  • Red
  • IALA system B
  • (Fl) 1s or 4s

12

Isolated Danger Buoy

  • Indicates a point of potential hazard
  • Red and Black in colour
  • Have two round balls at the top
  • White light Fl(2)5s or 10s

13

Describe this Buoy.

  • Red and Black
  • Two round balls at top
  • Isolated Danger Buoy
  • Fl(2)5s or 10s

14

Safe Water Mark

  • Used to indicated end/start of a channel, open, deep and safe water lies ahead.
  • Red and white vertical stripes
  • Also known as a fairway Buoy
  • White light and will flash Morese code A, occulting, Isophase or long flash every 10 seconds

15

Special Mark

  • Indicate the boundary of an obstruction, administrative area such as a speed limit, water skiing or mooring area
  • Yellow in colour
  • Yellow light one quick flash every 5 seconds

16

Wreck Buoy

  • Used to temporarily indicate a wreck until the wreck is cleard or permanent marks are set up.
  • Alternating blue and yellow light

17

Describe this Buoy

  • North Cardinal Buoy
  • Black over yellow
  • Both triangles pointing up
  • White light with continuous flash
  • Vessels should pass hazard to the North

18

Describe this Buoy

  • East Cardinal Buoy
  • Black/Yellow/Black
  • Triangles pointed away
  • White light Flashing in group of 3

19

Describe this Buoy

  • South Cardinal Buoy
  • Yellow over Black
  • Triangles pointed down
  • White light flash in group of 6 followed by 1 long flash

20

Describe this Buoy

  • West Cardinal Buoy
  • Yellow/Black/Yellow
  • Triangles point in
  • White light flash in group of 9

21

(Fl)4s

  • A light with 1 flash every 4 seconds
  • 15 flashes per minute
  • 0.5 sec flash; 3.5 sec. eclipse

22

Mo(A)6s

  • Morse Code A
  • A white light in which a 0.3 second flash is followed by a 0.6 second eclipse then a 1 second long flash repeated at a rate of 10 times per minute
  • Fairway Buoy

23

(Q)1s

  • A white light in which indentical flashes are repeated at a rate of 60 flashes per minute (1 flash every second)
  • North Cardinal Buoy

24

Q(3)10s

  • A white light in which a group of 3 flashes is regularly repeated 6 times per minute every 10 seconds.
  • East Cardinal Buoy

25

(Q(6)+LFl)15s

  • A white light in which a group of 6 quick flashes is followed by a single long flash. Repeated 4 times per minute or every 15 seconds
  • South Cardinal Buoy

26

Q(9)15s

  • A white light in which a group of 9 flashes is repeated 4 times per minute or every 15 seconds.
  • West Cardinal Buoy

27

FI(2)5s

  • A white light in which a group of 2 flashes is regularly repeated 12 times per minute or every 5 seconds.
  • Isolated Danger Buoy

28

Bifurcation Buoys

A bifurcation buoy is used to mark the point where a channel divides into different branches. They can be passed on either port or starboard side when travelling upstream but the prefered channel is the one indicated by the color of the top band.

 

 

29

Describe this Buoy

  • Port Bifurcation Buoy
  • Green Red Green
  • Green light, Fl(2+1)6s
  • The preferred channel is to the right (starboard)
  • You should keep the buoys on your port (left) side

30

Describe this Buoy

  • Starboard Bifurcation Buoy
  • The preferred channel is to the left (port)
  • These buoys are kept on your starboard (right) side