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B767 > FMA > Flashcards

FMA Flashcards

0
Q

AT

IDLE

A

AT is reducing or has reduced thrust to flight Idle. It may engage in a VNAV descent. It will engage after FLARE is engaged.

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1
Q

AT

SPD

A

Autothrottle controlling thrust to maintain speed selected in IAS/Mach, or if VNAV engaged, the speed as programmed by the FMC.

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2
Q

AT

THR HOLD

A

Thrust levers remain in existing position or where manually placed

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3
Q

AT

EPR

A

Autothrottle controlling to the selected EPR ref thrust

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4
Q

AT

FLCH

A

Autothrottle controlling to a maximum of the selected mode reference thrust during climb and to a minimum thrust during descent

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5
Q

AT

GA

A

Autothrottle controlling to a maximum reference thrust to maintain a climb rate of 2000’ per min

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6
Q

PITCH

TO

A

On ground TO annunciation by selecting either FD switch on when both switches are off. The flight director pitch bar an initial pitch of approx 8 degrees up.

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7
Q

PITCH

GA

A

AFDS system commands pitch to maintain existing speed or selected speed whichever is the greater.

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8
Q

PITCH

VNAV SPD

A

VNAV provides pitch commands to maintain the FMC computed airspeed / path

VNAV SPD - the AFDS maintains the FMC speed displayed on the CDU climb or descent pages. The speed can be manually set by speed intervention.

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9
Q

PITCH

VNAV PTH

A

The AFDS maintains FMC altitude or descent path with pitch commands. If the MCP altitude window is set to current cruise altitude, as the a/c approaches the TOD the CDU scratchpad message RESET MCP ALT displays.

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10
Q

2 AP FMA MODES

A

FD

CMD

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11
Q

8 ROLL FMA MODES

A

LNAV. TO
LOC. ATT
HDG HOLD. GA
HDG SEL. ROLL OUT

RALLGHHT

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12
Q

12 PITCH MODES

A

TO. GA. ALT HOLD. G/S

VNAV PATH. FLARE. VNAV SPD. V/S

ALT CAP. SPD. SPD LIM. FLAP LIM

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13
Q

9 AT MODES

A

THR HOLD. FLCH. SPD. GA

EPR. IDLE. ALPHA. FLAP LIM. SPD LIM

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14
Q

PITCH

FLARE

A

Flare (armed) during AUTOLAND displays below 1500ft RAD ALT.

Flare (active) during AUTOLAND flare activates at 50’ rad and deactivates at touchdown

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15
Q

PITCH

ALT CAP

A

Transient manoeuvre entered automatically from

V/S FLCH VNAV CLB or descent to selected MCP altitude.

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16
Q

ROLL

ATT

A

ATT -active. When the AP is first engaged or the flight director is first turned on in flight AFDS holds a bank angle between 5 and 30 degrees and will not roll to wings level.

When the bank angle is less than 5 degrees. AFDS returns to wins level HDG HOLD

When the bank angle is greater than 30 degrees. AFDS returns to 30 degrees of bank.

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17
Q

PITCH

ALT HOLD

A

Activated by pushing the MCP ALT HOLD switch or capturing the selected altitude from V/S FLCH climb or descent.

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18
Q

What are the 5 switch selections on MCP which will engage the AT.?

A

SPD EPR FLCH VNAV GA

19
Q

Pushing the EPR switch does what? 4 things

A

Selects AT EPR MODE
EPR annunciates on each FMA
Autothrottle holds ref thrust value displayed on EICAS subject to maximum speed limits
Updates FMC position to takeoff runway threshold position when selected for takeoff

20
Q

SELECTABLE ROLL MODES ON MCP

A

LNAV
HDG SEL
HDG HOLD

21
Q

Heading Bank Angle limits

A

High Speed 15 degrees

Low Speed 25 degrees

22
Q

When is NOT ON INTERCEPT HEADING displayed on ADI ?

A

If AC is not heading towards an active leg and more than 2.5 miles away

23
Q

SELECTABLE PITCH MODES ON ADI ?

A

ALT HOLD
VNAV
VS

24
Q

Is there automatic Speed Protection in VS ?

A

No

25
Q

During a FLCH climb what does the AT command and what does the AFDS Pitch channel command ?

A

AT commands THRUST
AFDS commands SPEED

Hence ADI displays

FLCH
SPD

The AFDS alters pitch to maintain current speed.
The AT applies thrust up to a max ref thrust in climb- full ref thrust for a large climb and less thrust for a small climb

26
Q

What happens at level off following a FLCH climb?

A

FMAs indicate :

SPD
ALT CAP then ALT HOLD

27
Q

What will be the INITIAL. AT and AFDS mode indications during a FLCH descent ?

A

FLCH

SPD

28
Q

During a protracted FLCH descent what will be the AT and AFDS FMAs ?

A

THR HLD

SPD - AFDS pitching to maintain the speed.(you can move the Thrust lever to alter rate of descent)

29
Q

What are the FMAs for a VNAV climb ?

A

EPR
VNAV SPD

eg when VNAV first selected at Acceleration Altitude.

IAS window blanks and the FMS positions the speed bug. It also positions the Magenta bug (Ref EPR ). The FMS positions both speed and EPR bug (emphasise)
AFDS uses pitch to maintain speed
AT applies thrust to maintain EPR

30
Q

In a VNAV climb what happens to the FMAs if an intermediate ( not cruise level) altitude is captured?

A

SPD

ALT CAP then ALT HOLD

31
Q

When will you get DRAG REQUIRED ?

A

In a VNAV descent with a stronger than forecast tailwind
IDLE
VNAV PTH

PATH will initially be maintained at the expense of speed . When it’s more than 15 kts increase DRAG REQUIRED will be displayed

32
Q

What will happen in VNAV descent in PATH if speed is not kept under control ?

A

The path will be lost and

IDLE
VNAV SPD

will display

33
Q

In a VNAV descent if stronger than expected headwind ?

A

Initially path will be maintained and speed will reduce below bug

IDLE
VNAV PTH

more than 15 kts slow

SPD
VNAV PTH

Here AT recovering the speed

Then
IDLE
VNAV PTH

will resume

34
Q

What happens when DES NOW is pressed?

A

This is only time
EPR
VNAV SPD

is shown in the descent. This shows at the initial stages of descent until 1000ft per min is attained

1 EPR
VNAV SPD

2 THR HOLD
VNAV SPD

3 IDLE
VNAV PTH

35
Q

Thinking about the MCP which 2 modes are AT ONLY ?

A

EPR

SPD

36
Q

Which 3 push buttons on the MCP selected AT and AP?

A

GA (not on MCP)
VNAV
FLCH

37
Q

With LNAV engaged what provides the steering signals ?

A

FMS

38
Q

If VS is selected during a VNAV or FLCH climb what does AT mode change to ?

A

SPD

VS will be the pitch mode

39
Q

FLCH climb

What do the A/T and AP do?

A

FLCH
SPD

AT applies thrust to up to REF thrust
AFDS pitches to maintain speed at time of engagement (window)

40
Q

Is a FLCH climb or descent stopped when approaching…..

MCP selected altitude
FMS cruise altitude
FMS constraint altitude ?

A

YES
NO
NO

FLCH mode will ignore any FMS programmed profiles

41
Q

What does it mean if the Amber AUTO PILOT light and message are displayed with an amber line through the mode annunciation ?

A

Failure affecting the active mode only

AP will stay connected in an attitude stabilising mode

42
Q

Which TWO conditions arm GO-around ?

A

Flaps out of up

GS capture

43
Q

What is the lowest point at which GA can be engaged?

A

2 secs after 5’ radio

44
Q

When a Go-around is initiated what do the three FMA modes achieve?

A

AT GA thrust to 2000’ per min
AFDS pitch maintains current speed or MCP speed
ROLL mode maintains RWY track

45
Q

What is the TMSP?

A

THRUST MODE SELECTOR PANEL

  • sets selected thrust mode reference

TO. GA. CLB CRZ CON

  • selection of fixed and assumed temperature derated reference thrust values

B767 (11 decks)

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