Auto Flight

Question 1

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

Answer 1

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

Question 2

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

Answer 2

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

Question 3

At what altitude can the Autoland status annunciators not change?

Answer 3

BLW 200ft except to indicate a NO AUTOLND condition.

Question 4

SPD in A/T window

Answer 4

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

Question 5

What are the 5 modes of A/T?

Answer 5

N1SPDVNAVFLCHGA

Question 6

What are the exclusive modes of A/T?

Answer 6

N1SPD

Question 7

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

Answer 7

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

Question 8

What is the default mode of A/T?

Answer 8

SPD

Question 9

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

Answer 9

THROTTLE HOLD

Question 10

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

Answer 10

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

Question 11

When does LNAV immediately activate when intercepting a route?

Answer 11

Within 2 1/2nm

Question 12

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

Answer 12

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

Question 13

When does ROLLOUT arm and engage?

Answer 13

BLW 1500ft armed displays and it engages below 5ft

Question 14

When does the AFDS capture the LLZ?

Answer 14

Within 120’ of LLZ course

Question 15

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

Answer 15

.80mach300kts

Question 16

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

Answer 16

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

Question 17

When does the ALT light illuminate on the Altimeter?

Answer 17

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

Question 18

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

Answer 18

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

Question 19

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

Answer 19

TMSP changes reference thrust to CRZ

Question 20

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

Answer 20

Thrust (power control)

Question 21

In a descent what will be indicated if don in FLCH

Answer 21

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

Question 22

What is indicated in a VNAV CLB

Answer 22

A/T- N1PITCH- VNAV SPD

Question 23

What happens in a level off in VNAV

Answer 23

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

Question 24

When will the VOR/DME SW become AUTO

Answer 24

Only when HSI mode selector is set to MAP or PLAN

Question 25

When is the VOR/DME always set to manual

Answer 25

Always at VOR, ILS mode

Question 26

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

Answer 26

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

Question 27

When does RWY align mode begin?

Answer 27

500ft RA with LAND 2/3 annunciated

Question 28

What slip will the autopilot initiate during RWY align mode?

Answer 28

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