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MOI / Study for board > MaP Reading and Land Navigation > Flashcards

MaP Reading and Land Navigation Flashcards

1
Q

What covers Land Navigation

A

Training Circular (TC) 3-25.26

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2
Q

What is the definition of a map

A

a graphic representation of a portion of the earth’s surface drawn to scale, as seen from above

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3
Q

Who is responsible for securing maps for the unit

A

S2

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4
Q

What are the three map sizes

A

Small, medium, and large

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5
Q

Where will you find the Declination Diagram of a Map and what does it represent?

A

This is located in the lower margin of large-scale maps and indicates the angular relationships of true north, grid north, and magnetic north

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6
Q

What are the Colors of a Military Map and What do they Represent

A
  1. Black. Indicates cultural (man-made) features such as buildings and roads, surveyed spot elevations, and all labels.
  2. Red-Brown. The colors red and brown are combined to identify cultural features, all relief features, nonsurveyed spot elevations, and elevation, such as contour lines on red-light readable maps
  3. Blue. Identifies hydrography or water features such as lakes, swamps, rivers, and drainage
  4. Green. Identifies vegetation with military significance, such as woods, orchards, and vineyards
  5. Brown. Identifies all relief features and elevation, such as contours on older edition maps, and cultivated land on red-light readable maps
  6. Red. Classifies cultural features, such as populated areas, main roads, and boundaries, on older maps
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7
Q

What does UTM Stand for?

A

Universal Transverse Mercator Grid

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8
Q

What are the three types of north

A

True (north pole), magnetic (compass), and grid (map

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9
Q

What is the rule of thumb for reading maps?

A

Right and Up

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10
Q

How many grid zones is the world divided into

A

60

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11
Q

How close will an eight digit grid get you

A

within 10 meters

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12
Q

How close will a six digit grid get you

A

within 100 meters

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13
Q

How close will a ten digit grid get you

A

within 1 meter

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14
Q

What is an Azimuth

A

An azimuth is defined as a horizontal angle measured clockwise from a north base line; the azimuth is the most common military method to express direction

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15
Q

What is a Back Azimuth

A

A back azimuth is the opposite direction of an azimuth

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16
Q

What is the Grid-Magnetic Angle

A

The G-M angle value is the angular size that exists between grid north and magnetic north

17
Q

What is Intersection

A

Intersection is the location of an unknown point by successively occupying at least two known positions on the ground and then map sighting on the unknown location

18
Q

What is Resection

A

Resection is the method of locating one’s position on a map by determining the grid azimuth to at least two well defined locations that can be pinpointed on the map

19
Q

What is Modified resection

A

Modified resection is the method of locating one’s position on the map when the person is located on a linear feature on the ground, such as a road, canal, or stream

20
Q

What are the ways to determine your location on a map

A

Resection, Modified Resection, and Intersection

21
Q

What are the three major parts of the Lensatic Compass

A
  1. Cover
  2. Base
  3. Lens
22
Q

What are the two techniques for using the Lensatic Compass

A
  1. the Centerhold Technique
  2. the Compass-to-Cheek Technique
23
Q

What does GPS stand for

A

Global Positioning System

24
Q

What are the different types of contour lines

A

Index, Intermediate, and Supplementary

25
Q

What are the Five Major Terrain Features

A

Hill, Saddle, Valley, Ridge, Depression

26
Q

What are the Three Minor Terrain Features?

A

Draw, Cliff, Spur

27
Q

What are the two supplementary terrain features

A

Cut and fill

28
Q

What is Map Orientation

A

The first step to land navigation; when the north south on the map aligns with the north south on the ground

29
Q

What are the Three Land Navigation Methods

A

Dead Reckoning, Moving by Terrain Association, and Combination of Techniques

30
Q

What does the acronym OCOKA stand for

A

Observation and Fields of Fire, Cover and Concealment, Obstacles, Key Terrain, and Avenues of Approach

31
Q

How many degrees are in a compass

A

360

32
Q

How many mils are in a compass

A

6400

33
Q

How many mils are in one degree

A

17.7

MOI / Study for board (12 decks)

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