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Army P Board > Land navigation > Flashcards

Land navigation Flashcards

1
Q

How do you convert Kilometers to Miles?

A

by multiplying the kilometers by 0.6

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2
Q

How do you convert Miles to Kilometers?

A

By multiplying miles by kilometers

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3
Q

What are the 3 North’s?

A

Grid North, Magnetic North, True North

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4
Q

What manual covers Land navigation and Map reading?

A

TC 3-25.26

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5
Q

How many degrees are in a circle?

A

360º

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6
Q

Define back azimuth

A

The opposite direction of an azimuth

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7
Q

What is the back azimuth of 360º?

A

180º

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8
Q

What are the two types of compasses?

A

Lensatic and M2 artillery compass

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9
Q

One click of the bezel ring on the lensatic compass is equal to how many degrees?

A

3º

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10
Q

What are two ways to hold a compass?

A

Compass to cheek and centerhold

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11
Q

Name 3 field expedient methods of Land Navigation

A

Shadow tip, watch, stars

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12
Q

What star is used in the Northern Hemisphere for direction?

A

The North Star

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13
Q

What star is used in the Southern Hemisphere for direction?

A

The Southern Cross

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14
Q

What are the 6 basic colors of a map?

A

Brown, Blue, Black, Green, Red, Red-Brown

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15
Q

What does Black represent?

A

Man made features

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16
Q

What does Red-Brown represent?

A

Contour lines

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17
Q

What does Green represent?

A

Vegetation

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18
Q

What does Blue represent?

A

Water features

19
Q

What does Red represent?

A

Cultural features, popular areas, main roads

20
Q

What does Brown represent?

A

Relief features and elevation

21
Q

How do you read coordinates on a map?

A

Right and Up

22
Q

How close will a 4 digit grid coordinate bring you to your target?

A

1,000 meters

23
Q

How close will a 6 digit grid coordinate bring you to your target?

A

100 meters

24
Q

How close will a 8 digit grid coordinate bring you to your target?

A

10 meters

25
Q

What is a pace count?

A

The number of steps it takes a soldier to walk 100 meters

26
Q

A pace or step is equal to how many inches?

A

30 inches

27
Q

What is the definition of a map?

A

A map is a graphic representation of a portion of the earths surface, drawn to scale, as seen from above

28
Q

What are 5 major terrain features?

A

Hill, Valley, Saddle, Ridge, Depression

29
Q

What are 3 minor terrain features?

A

Cliff, Spur, Draw

30
Q

What is the first step in reading your map?

A

Orient the map

31
Q

What is the back azimuth of 90º?

A

270º

32
Q

Define grid north

A

Based on the vertical lines of a map that are labeled GN

33
Q

Define Intersection

A

Locating an unknown point by using three known positions on the ground

34
Q

Define resection

A

Locating your position by using three well defined locations that can be pinpointed on a map

35
Q

How do you find the North Star?

A

The two stars at the bottom of the Big Dipper point to the North Star

36
Q

What are 3 types of contour lines on a map?

A

Index, Intermediate, Supplementary

37
Q

What are 3 bar scales used on a military map?

A

Kilometers, statute miles, nodical miles

38
Q

What is the formula for determining how long it will take to move from point A to point B?

A

T=T/R

39
Q

How do you determine direction using the shadow method where the compass is unreliable?

A

In the Northern Hemisphere, shadows fall to the North side of objects. Opposite for south.

40
Q

How many mils are in a circle?

A

6,400

41
Q

How many mils are in 1º?

A

17.78 mils/º

42
Q

What is the declination diagram?

A

The angular difference between two North’s

43
Q

What azimuth is used for resection when transferring the information to your map?

A

Back azimuth

44
Q

What direction does the first shadow tip indicate?

A

West

Army P Board (5 decks)

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