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Fort Campbell MOI > Land Navigation / Map Reading > Flashcards

Land Navigation / Map Reading Flashcards

1
Q

What is the Field Manual for map reading and land navigation?

A

FM 3-25.26

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2
Q

What are the basic colors of a map, and what does each color represent?

A

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 cultural features, all relief features, non-surveyed spot elevations, and elevation, 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 information as a rule.

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3
Q

Where is the Legend of the map found?

A

Lower left margin

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4
Q

What are contour lines?

A

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

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5
Q

What are 3 types of contour lines?

A

Index
Intermediate
Supplementary

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6
Q

How many Mils are in one Degree?

A

17.7 mils

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7
Q

How many Norths are there on a military map?

A

True north
Magnetic north
Grid north

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8
Q

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

A

It must be oriented.

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9
Q

What are 5 major terrain features found on a map?

A 
Hill
Ridge
Valley
Saddle
Depression
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10
Q

What are the 3 minor terrain features found on a military map?

A

Draw
Spur
Cliff

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11
Q

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

A

Cut

Fill

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12
Q

What is an azimuth?

A

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

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13
Q

What is the distance between grid lines on a combat map?

A

1 kilometer or 1000 meters

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14
Q

How many mils are there in a circle?

A

6400 mils in 360 degrees

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15
Q

Which north is used when using a military map?

A

Magnetic north when using a compass, and grid north when using the map

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16
Q

How would you hold a lensatic compass?

A

Away from metal (weapons, electrical devices), level and firm

17
Q

Name two ways to hold a compass?

A

Compass-to-Cheek Method

Center-Hold Method

18
Q

Are topographic symbols drawn to scale?

A

No

19
Q

What do topographic symbols represent?

A

Man-made and natural features

20
Q

What is Back Azimuth?

A

The opposite direction of an azimuth.

21
Q

What is the general rule for reading military grid coordinates?

A

Right and UP

22
Q

How many sights does a compass have?

A

2

23
Q

The lensatic compass has a bezel ring; each bezel ring click is equal to how many degrees?

A

3

24
Q

Large cities on a map are represented by what color?

A

Black

25
Q

Name two ways to orient a map?

A

Use a compass and terrain association

26
Q

The arrow on a compass always points what direction?

A

Magnetic north

27
Q

How many scales are there on a compass, what are they?

A

Degrees

Mils

28
Q

What are the three elements for a land navigation process known as Dead Reckoning?

A

Known starting point
Known distance
Known azimuth

29
Q

On a lensatic compass there are two rings, an outer black ring and an inner red ring, what are they used for?

A

The inner red ring is used to find degrees, and the outer black ring is used to find mils

30
Q

You must find at least how many known locations on a map and the actual ground in order to plot your location accurately?

A

At least 2

31
Q

What are two methods of measuring an azimuth?

A

Compass and a protractor

32
Q

How close will an eight-digit grid get you to your point?

A

10 meters

33
Q

How close will a six-digit grid coordinate get you to your point?

A

100 meters

34
Q

What would you use on a map to measure actual ground distance?

A

The bar scale

Fort Campbell MOI (12 decks)

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