WorksheetsIALA Buoyage System
Total questions: 15
Worksheet time: 3mins
Which of the following countries is not a part of IALA Region B?
South America
Australia
Japan
The Carribean
A buoy that indicates the general direction when approaching harbours, channels and waterway from seaward.
Lateral Buoys
Cardinal Buoys
Safe Water Buoys
Special Buoys
What does 11M means in the light description Fl5s10m11M
Elevation
Range
Period
Phase
The distance of horizon refers to
Nominal Range
Luminous Range
Geographical Range
Visibility Range
What type of mark is this?
Starboard lateral mark
Isolated danger mark
Safe water mark
Cardinal mark
What does a safe water mark indicate?
There is safe water all around the mark.
You are about to enter safe water.
You are about to exit safe water.
What type of mark is this?
Safe water mark
Special mark
Isolated danger mark
Lateral mark
What do cardinal marks indicate?
Port or starboard side
Compass direction of the safest water
Danger
Safe water
Quick or very quick flashing white light indicates what buoy?
North Cardinal
West Cardinal
Isolated Danger
Safe Water
The duration of the light is always less than the duration of the darkness is called?
Isophase
Flashing
Alternating
Occulting
What does the image indicates?
Starboard Hand Buoy
Port Hand Buoy
Special Buoy
North Cardinal Buoy
What buoy does the image indicate?
Emergency Wreck Mark
Special Mark
Safe Water Mark
South Cardinal Mark
Which of the following is not a standard buoy shape?
cylindrical
conical
spherical
triangular
Q(9) 15s is the light signal of what buoy?
west cardinal
east cardinal
north cardinal
south cardinal
How many miles of weather conditions a nominal range of light can be seen?
12
10
11
20
