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Flight Training > Flight Instruments > Flashcards

Flight Instruments Flashcards

1
Q

Magnetic variation (declination) refers to what?

A

The difference between magnetic north and true north.

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2
Q

What is Magnetic Deviation?

A

Magnetic deviation is caused by interference of instruments or other equipment such as headsets

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3
Q

What are isogonic lines?

A

Lines of magnetic variation (deviation) drawn on a map

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4
Q

ANDS

A

Accelerate North
Decelerate South
(Northern Hemisphere)

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5
Q

SAND

A

South Accelerate
North Decelerate
(Southern Hemisphere)

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6
Q

UNOS

A

Undershoot from North, Overshoot from South

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7
Q

Instruments connected to the pitot-static system are…

A
  • VSI - Vertical Speed Indicator
  • ASI - Airspeed Indicator
  • ALT - Altimeter
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8
Q

If the suction gauge fails which instruments are unreliable?

A
  • AI - Attitude Indicator
  • HI - Heading Indicator
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9
Q

QNH

A

Atmospheric pressure at sea level

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10
Q

QFE

A

Height above aerodome

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11
Q

Vno

A

Maximum Structural Cruising Speed (Normal Operting)

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12
Q

Vso

A

Stall Speed in the Landing Configuration
(Open)

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13
Q

Indicated Altitude

A

The altitude read on the altimeter (regardless of altimeter setting)

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14
Q

Pressure altitude

A

The indicated altitude of the altimeter when it is set to 29.92

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15
Q

Density altitude

A

Pressure altitude corrected for non-standard temperature (feel)

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16
Q

Absolute altitude

A

The height above ground level (AGL)

17
Q

Absolute altitude

A

The height above Mean Sea Level (MSL)

18
Q

Two properties of gyroscopic instruments are…

A

Rigidity in space and precession

19
Q

Turn Coordinator is driven by?

A

Electrically driven

20
Q

Altimeter tolerance

A

+/- 50’

21
Q

What is the most likely cause of a vacuum gauge reading too high?

A

Obstructed or clogged air filter

22
Q

Formula for magnetic compass turning error

A

1/2 Latitude ÷ 15

Flight Training (4 decks)

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