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ATPL mod 2 > Basic Instruments > Flashcards

Basic Instruments Flashcards

1
Q

What are the three main errors every instrument has ?

A

P-position
I-instrument
M-manoeuvre

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2
Q

What are the altimeter errors ?

A

Barometric - temp and pressure effects reading

Lag - instrument is behind or in front of what aircraft is doing

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3
Q

What are the vertical speed instrument errors ?

A

Time lag

Blockages

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4
Q

What are the air speed indicator errors ?

A

Compressibility. Speed above 300kts the air is compressed giving an inaccurate reading on indicator

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5
Q

What are the Mach meter errors ?

A

Blockages.

PUDSOD

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6
Q

What are the direct compass errors ?

A

Acceleration and turning errors

Acceleration - NANDS

turning UNOS

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7
Q

What is Vso speed ?

A

Stall speed with max configuration and AUM

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8
Q

What is VS1 speed ?

A

Stall speed at a set configuration

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9
Q

What is Vmca speed ?

A

Minimum control speed with an engine failure

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10
Q

What is Vyse speed ?

A

Best speed for rate of climb with an engine failure

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11
Q

What is VNo speed ?

A

Speed only to exceed with caution. From green arc to yellow arc

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12
Q

What is VNe speed ?

A

Never exceed speed ?

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13
Q

What is the max flap speed ?

A

Where the white arc end and green arc starts

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14
Q

What is VLO speed ?

A

Maximum speed with landing gear in operation

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15
Q

What is VLE speed ?

A

Maximum speed with landing gear extended

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16
Q

When does TAS = IAS ?

A

When air density is 1.225

17
Q

What are aclinic lines ?

A

Lines of zero dip

18
Q

What are isoclines ?

A

Lines of constant dip. Maximum at the poles

19
Q

What are isogonals ?

A

Lines of constant variation

20
Q

What are agonic lines?

A

Lines of zero variation. Found at the magnetic equator

ATPL mod 2 (10 decks)

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