Asa 105 Exam | Coastal Navigation Exam |
100% Correctly Answered & Rated A+ |
2025/2026 Guide
What units are used for ETE
- Correct Answer - Hours and rented of hours
What is the acceptable accuracy for DR
- Correct Answer - 10%
What is the "safety valve" we should use when using DR
- Correct Answer - When approaching a coarse plot the course slightly to
windward of the destination so that when you hit the coast you know
which direction to run to find the destination
Mercator projection
- Correct Answer - Projects spherical chart onto flat surface by using a
cylindrical shape
International date line
- Correct Answer - 180 degrees latitude
, Non-lateral aids - Correct Answer - Mid-channel, or safe water buoys
and day shapes. If lighted short/long flashing white light (morse code for
A)
Non-lateral buoy - black over red - Correct Answer - An isolated danger
Special purpose markers - Correct Answer - Yellow, used to make
dredging, fish trap areas, spoils areas, or military exercises
ICW marks - Correct Answer - Day marks show yellow square or
triangle. Leave the squares to your left, or port when returning. Always
leave triangles to starboard when returning
Transits (ranges) - Correct Answer - Lights on land when aligned
vertically show you are on safe water. Back light set higher than front
light
Light characteristics - Correct Answer - Color and timing of a light
Sounds under 11 fathoms - Correct Answer - Given as fathoms plus feet
(sub script)
Estimated position - Correct Answer - Point on the bearing line closed to
your DR position for that time
100% Correctly Answered & Rated A+ |
2025/2026 Guide
What units are used for ETE
- Correct Answer - Hours and rented of hours
What is the acceptable accuracy for DR
- Correct Answer - 10%
What is the "safety valve" we should use when using DR
- Correct Answer - When approaching a coarse plot the course slightly to
windward of the destination so that when you hit the coast you know
which direction to run to find the destination
Mercator projection
- Correct Answer - Projects spherical chart onto flat surface by using a
cylindrical shape
International date line
- Correct Answer - 180 degrees latitude
, Non-lateral aids - Correct Answer - Mid-channel, or safe water buoys
and day shapes. If lighted short/long flashing white light (morse code for
A)
Non-lateral buoy - black over red - Correct Answer - An isolated danger
Special purpose markers - Correct Answer - Yellow, used to make
dredging, fish trap areas, spoils areas, or military exercises
ICW marks - Correct Answer - Day marks show yellow square or
triangle. Leave the squares to your left, or port when returning. Always
leave triangles to starboard when returning
Transits (ranges) - Correct Answer - Lights on land when aligned
vertically show you are on safe water. Back light set higher than front
light
Light characteristics - Correct Answer - Color and timing of a light
Sounds under 11 fathoms - Correct Answer - Given as fathoms plus feet
(sub script)
Estimated position - Correct Answer - Point on the bearing line closed to
your DR position for that time
