ASA 105 Coastal Navigation Exam V1 (Latest Update 2025 / 2026 Update) Questions with Answers | Grade A | 100% Correct (Verified Solutions)

ASA 105 Coastal Navigation Exam
V1 (Latest Update
Update) Questions with Answers |
Grade A | 100% Correct (Verified
Solutions)


Question:
Another term for sea level.
Answer:
Mean level




Question:
Term for the lowest possible tide, chart depths are measure from this point.
Answer:
Datum

,Question:
Measurement from datum to top of dry surface. (Land, rock, coral, etc...)
Answer:
Drying height




Question:
Carrying over 60 in equations. (Not 100)
Answer:
Time math




Question:
Tide table section using main reference stations for tides.
Answer:
Table 1




Question:
Tide table section that corrects for subordinate stations. (Harbors, etc...)
Answer:
Table 2

,Question:
5 data points in Table 1.
Answer:
Month, day, time, height (feet and meters), True degrees (Ebb, flood)




Question:
6 data points in Table 2.
Answer:
Number, place, coordinates, differences, ranges, mean




Question:
Added or subtracted from reference station slack water and max current
times.
Answer:
Time differences




Question:
Multipliers of reference station velocities for max ebb and max flood.
Answer:
Velocity ratios

, Question:
The drift measured in knots.
Answer:
Velocity




Question:
Tide table section listing velocities and times.
Answer:
Table 3




Question:
The single most important element in fog navigation.
Answer:
DR plot




Question:
Fog navigation strategy that involves crossing a certain depth back and fourth
until target is reached.
Answer:
Running a depth curve