ASA 105 COASTAL NAVIGATION FINAL
TEST PAPER 2026 COMPLETE QUESTIONS
AND CORRECT ANSWERS ALREADY
PASSED
●● 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
●● 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
TEST PAPER 2026 COMPLETE QUESTIONS
AND CORRECT ANSWERS ALREADY
PASSED
●● 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
●● 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
