Maps Flashcards

1
Q

Primary role of a JTAC

A

Deconflict airspace and provide effect through rotary and fixed wing.

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2
Q

Three types of north

A

Grid, map and true

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3
Q

Silva compass is accurate too?

A

2 degrees

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4
Q

Grid north is north according to what?

A

Map north

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5
Q

True north is north according to?

A

Top of the earth

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6
Q

Mag north is north according to?

A

Compass points

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7
Q

One degrees is made up of?

A

60minutes

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8
Q

One minute is made up of?

A

60 seconds

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9
Q

What is grid convergence?

A

It is the angle between true north and grid north

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10
Q

What is the angle between true north and grid north called?

A

Grid convergence

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11
Q

What is magnetic variation?

A

Angle between true north and mag north

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12
Q

What is the angle between true north and mag north called?

A

Magnetic variation

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13
Q

How many figures are bearings given in?

A

3 figures

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14
Q

AMSL

A

Above mean sea level rise

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15
Q

Above mean sea level

A

AMSL

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16
Q

AGL

A

Above ground level

17
Q

Above ground level

A

AGL

18
Q

What do the spacings between contours indicate?

A

Slope of the ground

19
Q

When using grid ref’s always round?

A

Down

20
Q

When using grid ref’s always give?

A

Prefix