Land NAV Flashcards
What is the Field Manuel for map reading and land navigation?
FM 3-25.26
What are the basic colors of a map, and what does each color represent?
Black - Indicates man-made features
Red-Brown - cultural features, relief features, and elevation
Blue - water
Green - vegetation
Brown - all relief features and elevation
Red - cultural features such as populated areas, main roads, or boundaries
Other - special information
Where is the Legend of the map found?
Lower Left Margin
How many Norths are there on a military map?
Three: 1. True North 2. Magnetic North 3. Grid North
What must be done to a map before it can be used?
It must be oriented
What are the 5 major terrain features found on a map?
- Hill
- Ridge
- Valley
- Saddle
- Depression
What are the 3 minor features on a map?
- Draw
- Spur
- Cliff
What is a map?
A map is a graphic representation of a portion of the earth’s surface drawn to scale, as seen from above
What is an azimuth?
A horizontal angle, measured in a clockwise manner from a north base line, expressing direction
What is the distance between grid lines on a combat map?
1 kilometer or 1000 meters
Name two ways to hold a compass?
- Compass-to-Cheek Method
2. Center-Hold Method
In military symbols, what colors are used for a map overlay and what do they represent?
Blue - Friendly forces
Red - Enemy forces
Black - Boundaries
Yellow - Contaminated area both friendly and enemy
Green - Engineer obstacles- both friendly and enemy
What is the general rule for reading military grid coordinates?
Right and UP
Name two ways to orient a map?
Use a compass and terrain association
What are the 3 elements for a land navigation process known as Dead Reckoning?
- Known starting point
- Known Distance
- Known Azimuth
