ASA 105 Coastal Navigation Exam V2 (Latest Update 2025 / 2026) Questions and Verified Answers | Grade A | 100% Correct

ASA 105 Coastal Navigation Exam
V2 (Latest Update )
Questions and Verified Answers |
Grade A | 100% Correct


Question:
What items do you need to perform coastal navigation in an effective manner
in local area?
Answer:
-navigation charts and Light List
-steering compass with deviation table
-depth sounder or lead line
-speed and distance instruments
-protractor triangle, parallel rules and dividers
-pencil, eraser, notebook, and simple calculator
-VHF radio
-hand bearing compass and pelorus
watch or clock

,Question:
Beyond the local area, a prudent navigator should also consider the following:
Answer:
-GPS
-Radar
-AIS (Automatic Identification System)
-Barometer
-Weather Fax or Satellite Weather Receiver
NAVTEX Receiver




Question:
What plotting tools are needed for navigation on a small boat in coastal
waters?
Answer:
-parallel rules
-protractor triangule
-dividers
-simple calculator
-pencil
-eraser

,Question:
What are the three primary plotting sheets?
Answer:
-position plotting sheets
-universal plotting sheets
-radar plotting sheets




Question:
What is variation ?
Answer:
The difference between True North and Magnetic North as measured on a
particular date and location on earth. Changes can be from none to as much
as 150°




Question:
What is deviation?
Answer:
The error between Magnetic North and Compass North.

, Question:
Compass inaccuracy result from two sources:
Answer:
1. defects in the compass itself
2. magnetic influences within the boat




Question:
Formula for calculating distance
Answer:
speed x time




Question:
What is the use of a NEVTEX receiver?
Answer:
provides text of weather forecasts, navigational hazards, emergencies, damage
to navigational aids and other safety information