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 or:
  • Selecting 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 FMA means?

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
  • N1
  • SPD
  • VNAV
  • FLCH
  • GA
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6
Q

What are the exclusive modes of A/T?

A
  • N1
  • SPD
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7
Q

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

A

Bank angle less than 5 degrees:

  • V/S and HDG HOLD

Bank angle greater than 5 degrees:

  • V/S and ATT
  • When greater than 30 degrees AFDS returns to 30 degrees
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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 2.5 nm
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12
Q

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

A
  • Flaps out of up **or **Glideslope capture
  • No 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 CLB and then MACH to IAS in a descent?

A
  • Mach .80 and 300kts
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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 ARM
  • Select other pitch mode then re-select FLCH
  • Thrust levers advance manually, set to reference bug
17
Q

When does the ALT light illuminate on the Altimeter?

A
  • Between 300 and 900ft
  • White light displays on top right of Altimeter
  • ALT ALERT- Amber light displays on the main panel next to standby AItimeter
18
Q

What will display on the FMA for FLCH in a CLB or DESCENT also in ALT HOLD?

A

CLB/DESCENT

  • FLCH , SPD

ALT HOLD

  • SPD, 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 done in FLCH?

A
  • FLCH then THR-HOLD / SPD
22
Q

What is indicated in a VNAV CLB?

A
  • N1 / VNAV SPD
23
Q

What happens in a level off in VNAV

A
  • SPD (commanded by FMS) / 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 does the VOR/DME always indicate 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 mode
  • TRACK 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
  • A maximum bank angle of 2 degrees when the crab angle exceeds 5 degrees