NAV Midterm CGA UPDATED ACTUAL
Exam Questions and CORRECT Answers
Parallels are always equidistant from each other in contrast to meridians which converge and
meet at the poles. - CORRECT ANSWER✔✔- true
Any point on Earth can be described by a unique ________. - CORRECT ANSWER✔✔-
intersection of a meridian and parallel
What is the practical objection to following a great circle route? - CORRECT ANSWER✔✔-
The ship's course is subject to continuous alterations.
In comparison to Rhumb lines, a Great Circle route is? - CORRECT ANSWER✔✔- shorter
For Practical Purposes, every minute of Latitude is equal to ____? - CORRECT
ANSWER✔✔- one nautical Mile
An Advantage of a Gnomonic Chart is that distance and direction can easily be determined. -
CORRECT ANSWER✔✔- False
The telescopic alidade provides what type of information? - CORRECT ANSWER✔✔- A
Bearing
RADAR operates on the basis of microwave energy reflecting off objects and returning. -
CORRECT ANSWER✔✔- True
A Visual NAVAID is identified with a: - CORRECT ANSWER✔✔- Yellow Circle, labeled
V1, V2, V3...etc
RADAR Navigation Aids are labeled with a orange triangle (3/4" - 1") centered over the
given latitude and longitude. - CORRECT ANSWER✔✔- True
, A Navigation Aid can serve as both a RADAR and a Visual Navigation Aid. - CORRECT
ANSWER✔✔- True
Select all of the following line items that are required to be listed on a Gazetteer: -
CORRECT ANSWER✔✔- Correct Response
Designation (Desig)
Correct Response
Name
Correct Response
Characteristics
Correct Response
Latitude
Correct Response
Longitude
Large Scale Charts show more detail and small area. - CORRECT ANSWER✔✔- True
What reference is used in determining depths & heights on a nautical chart? - CORRECT
ANSWER✔✔- Sounding Datum
The outer ring of the compass rose is aligned with? - CORRECT ANSWER✔✔- True North
This color is not used on nautical charts due to the color of some lights used to preserve night
vision on board ships. - CORRECT ANSWER✔✔- Red
The definitions of the symbols used on both NOS and NIMA charts are found in what
reference? - CORRECT ANSWER✔✔- Chart No. 1
Exam Questions and CORRECT Answers
Parallels are always equidistant from each other in contrast to meridians which converge and
meet at the poles. - CORRECT ANSWER✔✔- true
Any point on Earth can be described by a unique ________. - CORRECT ANSWER✔✔-
intersection of a meridian and parallel
What is the practical objection to following a great circle route? - CORRECT ANSWER✔✔-
The ship's course is subject to continuous alterations.
In comparison to Rhumb lines, a Great Circle route is? - CORRECT ANSWER✔✔- shorter
For Practical Purposes, every minute of Latitude is equal to ____? - CORRECT
ANSWER✔✔- one nautical Mile
An Advantage of a Gnomonic Chart is that distance and direction can easily be determined. -
CORRECT ANSWER✔✔- False
The telescopic alidade provides what type of information? - CORRECT ANSWER✔✔- A
Bearing
RADAR operates on the basis of microwave energy reflecting off objects and returning. -
CORRECT ANSWER✔✔- True
A Visual NAVAID is identified with a: - CORRECT ANSWER✔✔- Yellow Circle, labeled
V1, V2, V3...etc
RADAR Navigation Aids are labeled with a orange triangle (3/4" - 1") centered over the
given latitude and longitude. - CORRECT ANSWER✔✔- True
, A Navigation Aid can serve as both a RADAR and a Visual Navigation Aid. - CORRECT
ANSWER✔✔- True
Select all of the following line items that are required to be listed on a Gazetteer: -
CORRECT ANSWER✔✔- Correct Response
Designation (Desig)
Correct Response
Name
Correct Response
Characteristics
Correct Response
Latitude
Correct Response
Longitude
Large Scale Charts show more detail and small area. - CORRECT ANSWER✔✔- True
What reference is used in determining depths & heights on a nautical chart? - CORRECT
ANSWER✔✔- Sounding Datum
The outer ring of the compass rose is aligned with? - CORRECT ANSWER✔✔- True North
This color is not used on nautical charts due to the color of some lights used to preserve night
vision on board ships. - CORRECT ANSWER✔✔- Red
The definitions of the symbols used on both NOS and NIMA charts are found in what
reference? - CORRECT ANSWER✔✔- Chart No. 1
