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ASA 105 EXAM QUESTIONS & ANSWERS| GRADE A|
100% CORRECT (VERIFIED SOLUTIONS) (2025/ 2026
UPDATE)
General charts - (answer)Chart of the coast that shows little detail. Also known as
a "small scale" chart. Typical scale 1:600,000
Coastal chart - (answer)Show a subsection of the coast line in enough detail to
permit navigation along the coast and i to large harbors. Typical scale 1:60,000
Harbor charts - (answer)Very detailed charts specific to a harbor. Useful for
piloting through a harbor entrance. Typical scale 1:2,500
Small craft charts - (answer)Special classes of charts that cover the intracoastal
waterways (gulf and atlantic)
Three primary measurements for finding position on a chart - (answer)Direction,
distance and speed
Course - (answer)Direction you steer as indicated on the compass
Bearing - (answer)Direction of a charted landmark as seen from your boat and
measured by the boat's compass
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Name 4 typical errors made in plotting distance on a chart - (answer)Slipping
parallel rules, mixing true and magnetic directions on the compass rose,
misreading the compass, misreading the mileage scale
What are the two definitions of "returning" - (answer)1) entering a harbor from
the sea/larger body of water 2) on the ICW returning is traveling south and west
(atlantic and gulf)
What happens when the ICW shares and entrance to a bay/harbor - (answer)The
OCW markers will show either a yellow triangle, or square. The square is left to
port when returning
Are red buoys odd, or even numbered? - (answer)Even
Why should you look behind you as well as ahead of you when in a channel? -
(answer)To make sure you are not being set out of the channel by the current
What shape are red day marks? - (answer)Triangle
What shape are green day marks? - (answer)Square
How should you correct course when using transit lights and the lower light is off
to one side? - (answer)Steer towards the lower light
ASA 105 EXAM QUESTIONS & ANSWERS| GRADE A|
100% CORRECT (VERIFIED SOLUTIONS) (2025/ 2026
UPDATE)
General charts - (answer)Chart of the coast that shows little detail. Also known as
a "small scale" chart. Typical scale 1:600,000
Coastal chart - (answer)Show a subsection of the coast line in enough detail to
permit navigation along the coast and i to large harbors. Typical scale 1:60,000
Harbor charts - (answer)Very detailed charts specific to a harbor. Useful for
piloting through a harbor entrance. Typical scale 1:2,500
Small craft charts - (answer)Special classes of charts that cover the intracoastal
waterways (gulf and atlantic)
Three primary measurements for finding position on a chart - (answer)Direction,
distance and speed
Course - (answer)Direction you steer as indicated on the compass
Bearing - (answer)Direction of a charted landmark as seen from your boat and
measured by the boat's compass
, 2|Page
Name 4 typical errors made in plotting distance on a chart - (answer)Slipping
parallel rules, mixing true and magnetic directions on the compass rose,
misreading the compass, misreading the mileage scale
What are the two definitions of "returning" - (answer)1) entering a harbor from
the sea/larger body of water 2) on the ICW returning is traveling south and west
(atlantic and gulf)
What happens when the ICW shares and entrance to a bay/harbor - (answer)The
OCW markers will show either a yellow triangle, or square. The square is left to
port when returning
Are red buoys odd, or even numbered? - (answer)Even
Why should you look behind you as well as ahead of you when in a channel? -
(answer)To make sure you are not being set out of the channel by the current
What shape are red day marks? - (answer)Triangle
What shape are green day marks? - (answer)Square
How should you correct course when using transit lights and the lower light is off
to one side? - (answer)Steer towards the lower light
