Land Nav Flash Cards

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Title:	Land Nav
Description:	Land Nav questions for Army promotion and competition boards
Number of Cards:	41
Save Count:	0
Author:	jermaine_nickerson9
Created:	2010-03-04
Tags:	land nav
Private	No

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- Question
- Answer
- Side 3

- What are the colors on a military map?
  What do they represent?
- Black-Cultural man made features
  Red-Populated areas, roads
  Blue- Hydrography
  Green-Vegetation
  Brown-All releif and elevation features
  Red/Brown-All cultural features on a red light readable map
- Where is the legend found on a map?
- Lower left corner
- What are the 3 types of contour lines?
- Index
  Intermidiate
  Supplementary
- What are countour lines?
- Imaginary lines drawn on a map to designate releif and elevation changes
- What is a map?
- A graphic representation of a portion of the Earths surface drawn to scale
- How many norths are there? What are they?
- Magnetic North
  True North
  Grid North
- What are the 5 Major terrain features on a map?
- Ridge
  Valley
  Depression
  Hill
  Saddle
- What are the 3 minor terrain features?
- Cliff
  Draw
  Spur
- What are the 2 supplementary terrain features?
- Cut
  Fill
- What is an azimuth?
- A horizontal angle measured clockwise from a baseline north
- Which north is used when using a military map?
- Grid North for a map
  Magnetic North with a compass
- Name 2 ways to hold a compass?
- Compass to cheek
  Centerhold
- What is a back Azimuth? How do you calculate it?
- A Back Azimuth is the opposite of an Azimtuh. Less than 180 degress add 180, more than 180 degrees subtract 180.
- What is a declination diagram?
- A tool on a map that shows the relationship between the three norths (true,grid,magnetic)
- What are two ways to orient a map?
- Compass, terrain association
- What is an intersection?
- Plotting an unknown point by successfully occupying at least 2 points and shooting an intersecting Azimuth
- What is resection?
- Plotting your point by obtaining a back Azimuth from at least two known points
- What are three sizes of military maps?
- Small-1:1,000,000 General and Strategic
  Medium-1:1,000,000 to 1:75,000 Operational
  Large- Larger than 1:75,000, Tactical, adminstrative
- How many scales are on a compass?
- Degrees (red) and Mils (black)
- Name 3 field expedient methods for determining direction?
- Watch, Shadow Tip, North Star
- What are the 4 types of slopes on a map?
- Concave
  Convex
  Steep
  Gentle
- What is a polar coordinate?
- A direction and distance to a particular point
- How close will a 8 digit code get you to a point?
- 10 meters
- How close will a six digit coordinate get to a point
- 100 meters
- What would you use on a map to measure distance?
- The Bar Scale
- What are the 2 methods of measuring an azimuth?
- Compass and a protractor
- What would you use on a map to measure distance?
- The bar scale
- What is a benchmark?
- A man-made marker showing elevation
- What are parallels of latitude
- Measured distances going north-south of the equator
- What does UTM stand for?
- Universal Transverse Mercator
- What is the distance between grid lines on a combat map?
- One klick, 1 kilometer,
  1000 meters
- What are the shape of countour lines indicating a cliff?
- Contour lines very close together or touching each other
- What do the contour lines look like on a spur?
- Contour lines on a spur look like a U or V pointing away from high ground
- What shape are contour lines for a draw?
- Draws look like a U or V pointing towards high ground
- What shape are the contour lines indicating a depression?
- Closed contour lines with tick marks pointing towards low ground
- What shape do contour lines form to represent a Ridge?
- They are U or V shaped with the closed end pointing away from high ground
- What shape do contour lines form when representing a valley?
- Usually U or V shaped
- What shape are contour lines representing a saddle?
- Normally as an hourglass
- What shape are contour lines representing a hill?
- Closed concentric circles
- What is a contour interval? Where is it found?
- The distance between contour lines, in the marginal information
- What is the general rule for reading a military map?
- Right and Up