Auto Flight Flashcards

1
Q

How can the LLZ and GS modes be deactivated after LOC & GS capture?

A

Disconnecting A/P & A/T and turning both F/D’s Off ORSelecting GA mode

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2
Q

When will the F/D command bars display when F/D not on?

A

When GA switch is pushed and airspeed is ABV 80kts with the flaps not retracted.Can be removed by cycling the switch.Will command GA Thrust limit

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3
Q

At what altitude can the Autoland status annunciators not change?

A

BLW 200ft except to indicate a NO AUTOLND condition.

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4
Q

SPD in A/T window

A

A/T controlling thrust to maintain SPD in window or if VNAV engaged, the SPD programmed by the FMC

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5
Q

What are the 5 modes of A/T?

A

N1SPDVNAVFLCHGA

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6
Q

What are the exclusive modes of A/T?

A

N1SPD

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7
Q

What will be indicated on FMD when A/P is set to CMD after Take off with FD off?

A

Bank angle less then 5degrees- PITCH- V/S Mode, ROLL- HDG HOLD modeBank angle greater then 5degrees- PITCH is V/S mode and ROLL is ATT modeWhen greater than 30deg AFDS returns to 30deg

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8
Q

What is the default mode of A/T?

A

SPD

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9
Q

What mode does the A/T system not reposition the thrust levers?

A

THROTTLE HOLD

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10
Q

What happens with A/T in a GA if A/P and F/D’s are off?

A

Controls to go-around reference thrust subject to flap and Vmo speeds.

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11
Q

When does LNAV immediately activate when intercepting a route?

A

Within 2 1/2nm

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12
Q

When does G/A mode ARM and how is it displayed?

A

Flaps out of up ORGlideslope captureNo real annunciation, Reference thrust limit just changes to G/A

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13
Q

When does ROLLOUT arm and engage?

A

BLW 1500ft armed displays and it engages below 5ft

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14
Q

When does the AFDS capture the LLZ?

A

Within 120’ of LLZ course

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15
Q

When does SPD change from IAS to MACH in a CLBand then MACH to IAS in a descent?

A

.80mach300kts

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16
Q

What are the 3 methods to return from THR-HOLD to FLCH mode

A

A/T is set off then ARMSelect other pitch mode then re select FLCHThrust levers, advance manually, set to reference bug

17
Q

When does the ALT light illuminate on the Altimeter?

A

Between 300-900ftWhite light displays on top right of Altimeter ALT ALERT- Amber light displays on the main panel next to standby AI

18
Q

What will display in the windows for FLCH in a CLB or DESCENT also in ALT HOLD

A

CLB/DESCENT- A/T window- FLCH Pitch Window- SPDALT HOLD- A/T window- SPD. Pitch Window- ALT HOLD

19
Q

In VNAV what happens when A/C levels out in CRZ

A

TMSP changes reference thrust to CRZ

20
Q

If SPD is set in the A/T window what controls A/C SPD?

A

Thrust (power control)

21
Q

In a descent what will be indicated if don in FLCH

A

A/T window- FLCH, THEN CHANGES TO THR-HOLDPITCH window- SPD

22
Q

What is indicated in a VNAV CLB

A

A/T- N1PITCH- VNAV SPD

23
Q

What happens in a level off in VNAV

A

A/T- SPD (commanded by FMS)PITCH- VNAVPTH

24
Q

When will the VOR/DME SW become AUTO

A

Only when HSI mode selector is set to MAP or PLAN

25
Q

When is the VOR/DME always set to manual

A

Always at VOR, ILS mode

26
Q

When is HDG up indicated on HSI and when is TRACK up indicated

A

HDG UP- VOR, ILS modeTRACK UP- MAP, PLAN mode

27
Q

When does RWY align mode begin?

A

500ft RA with LAND 2/3 annunciated

28
Q

What slip will the autopilot initiate during RWY align mode?

A

Autopilot will indicate a slip with maximum bank angle of 2 degrees when the crab angle exceeds 5 degrees