Shared Flashcard Set

Details

Land Navigation/Map Reading
FM 3-25.26
36
Other
Not Applicable
04/03/2015

Additional Other Flashcards

 


 

Cards

Term
What is the Field Manual for map reading and land navigation
Definition
FM 3-25.26
Term
What are the basic colors of a map and what does each color represent?
Definition

FM 3.25.26 Jan 2005 / 3-5 / PDF 24

Black- Indicates Cultural (man-made) features such as buildings and roads, surveyed spot elevations, and all labels.

Red-Brown- The colors red and brown are combined to identify cultutal features, all relief features, non-surveyed spot elevations, such as contour lines on red-light readable maps.

Blue- identifies hydrography or water features such as lakes, swamps,rivers, and drainage.

Green- Identifies vegetation with military significance, such as woods, orchards, and vineyards

Brown- identifies all relief features and elevation, such as contours on older edition maps. and cultivated land on red-light readable maps.

Red- classifies cultural features, such as populated areas, main roads, and boundaries on older maps. 

Other - Occasionally other colors may be used to show special information. These are indicated in the marginal infomation as a rule. 

Term
What are military symbols?
Definition

FM 3-25.26 Jan 2005 / 3-4 / PDF 24

Figures used to represent types of military organizations, installations, and activities.

Term
Where is the legend of the map found?
Definition

FM 3-25.26 Jan 2005/ 3-1 / PDF 19

Lower left margin.

Term
What are Contour Lines?
Definition

FM 3-25.26 Jan 2005 / 10-2 / PDF 123

Imaginary lines on the ground connecting equal elevation, they represent high and low ground elevation.

Term
What are 3 types of contour lines?
Definition

FM 3-25.26 Jan 2005/ 6-1 / PDF 65

1. Index

2. Intermediate

3. Supplementary

Term
How many Mils are in one Degree?
Definition

FM 3-25.26 Jan 2005 / 6-1 / PDF 65

17.7 mils

Term
How many norths are there on a military map?
Definition

FM 3.25-26 Jan 2005/3-1/PDF 20

THREE:

1) True North

2) Magnetic North

3) Grid North

 

Term
What share are the contour lines that indicate a hill?
Definition

FM 3-25.26 Jan 2005/10-6/PDF133

A hill is shown on a map by contour lines forming concentric circles. the inside of the smallest closed circle is the hill top. 

Term
What Shape are the contour lines that indicate a saddle?
Definition

FM 3-25.26 JAN 2005/10-6/PDF 133

A saddle is normally represented as an hourglass.

Term
What Shape are the contour lines that indicate a valley?
Definition

FM 3-25.26 Jan 2005/10-6/PDF 134

Contour lines forming a valley are either U shaped or V Shaped.

Term
What shape are the contour lines that indicate a ridge?
Definition

FM 3-25.26 Jan 2005/10-6/PDF 134

Contour lines forming a ridge tend to be U-Shaped or V-Shaped. The Closed end of the contour line points away from high ground.

Term
What shape are the contour lines that indicate a depression?
Definition

FM 3-25.26 JAN 2005/10-6/PDF 135

Usually only depressions that are equal to or greater than the contour interval will be shown. on maps, depressions are represented by closed contour lines that have tick marks pointing towards low ground

Term
What shapre are the contour lines that indicate a draw?
Definition

FM 3-25.26 JAN 2005/10-6/PDF 135

The contour lines depicting a draw are U-Shaped or V-Shaped, Pointing towards high ground. 

Term
What Shape are the contour lines that indicate a spur?
Definition

FM 3-25.26 JAN 2005/10-6/PDF 136

Contour lines on a map depict a spur with the U or V pointing away from high ground.

Term
What shape are the contour lines that indicate a cliff?
Definition

FM 3-25.26 JAN 2005/10-6/PDF 136

Cliffs are also shown by contour lines very close together and in some instances, touching eachother.

Term
What shape are the contour lines that indicate a cut?
Definition

FM 3-25.26 Jan 2005/10-6/PDF 137

This contour line extends the length of the cut and has tick marks that extend from the cut line to the roadbed, if the map scale permits this level of detail.

Term
What shape are the contour lines that indicate a fill?
Definition

FM 3-25.26 JAN 2005/10-6/PDF 137

This contour line extends the length of the filled area and has tick marks that point towards lower ground. If the map scale permits, the length of the fill tick marks are drawn to scale and extend from the base line of the fill symbol. 

Term
What must be done to a map before it can be used?
Definition

FM 3-25.26 JAN 2005/11-1/PDF 147

It must be oriented.

Term
What are 5 Major Terrain features found on a map?
Definition

FM 3-25.26 Jan 2005/10-6/PDF 133

1) Hill

2) Ridge

3)Valley

4) Saddle

5) Depression

Term
What are the 3 Minor terrain features found on a military map?
Definition

FM 3-25.26 JAN 2005/10-6/PDF 135

1) Draw

2) Spur

3) Cliff

Term
What are the 2 supplementary terrain features found on a military map?
Definition

FM 3-25.26 JAN 2005/10-6/PDF 137

1) Cut

2) Fill

Term
What is a Map?
Definition

FM 3-25.26 Jan 2005/2-1/PDF 11

A Map is a graphic representation of a portion of the earth's surface drawn to scale, as seen from above.

Term
What is an Azimuth?
Definition

FM 3-25.26 Jan 2005/6-3/PDF 66

A horizontal angle, measured in a clockwise manner from a north base line, expressing direction.

Term
What is vertical distance?
Definition
The distance between the highest and lowest points measured.
Term
What is a contour interval?
Definition

FM 3-25.26 Jan 2005/3-1/PDF 20

The Vertical distance between adjacent contour lines on a map.

Term
What is the distance between grid lines on a combat map?
Definition
1 kilometer or 1000 meters
Term
How many mils are there in a circle?
Definition
6400 mils in 360 Degrees
Term
Which north is used when using a military map?
Definition
Magnetic North when using a compass, and grid north when using the map.
Term
How would you hold a lensatic compass?
Definition
Away from metal (weapons, electrical devices), level and firm.
Term
Name two ways to hold a compass?
Definition

FM 3-25.26 Jan 2005/9-4/PDF 111

1) Compass to cheek method

2) Center hold method

Term
Are topographic Symbols Drawn to scale?
Definition
No they are not drawn to scale.
Term
What do topographic symbols represent?
Definition

FM 3-25.26 Jan 2005/3-4/PDF 24

Man-Made and natural features

Term
In Military Symbols, what colors are used for a map overlay and what do they represent?
Definition

Blue - Friendly Forces

Red - Enemy Forces

Black - Boundaries

Yellow - Contaminated Area both Friendly and enemy

Green - Engineer Obstacles, Both Friendly and enemy

Term
What is a back Azimuth?
Definition

FM 3-25.26 Jan 2005/6-3/PDF 67

The opposite direction of an azimuth.

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