Autoflight Flashcards
While the Autopilot is engaged, the use of Aileron Trim is _______.
prohibited
The AFDS (Autopilot Flight Director System ) is a dual system consisting of _____individual FCCs ( flight control computers ) and a single mode control panel.
two
All AFDS (Autopilot Flight Director System) modes can be disengaged when you select another command mode or _______________.
by disengaging the A/P and turning the F/Ds off
Unless ________, Autopilot engagement in CMD or CWS is inhibited.
- No force is being applied to the control wheel.
* The STAB TRIM AUTOPILOT cutout switch is at NORMAL
When you are in a single A/P operation, full automatic flare and touchdown capability and A/P
go-around capability are ______.
not available
What steering command allows both of the A/Ps to be engaged at the same time?
the Approach mode
The A/P automatically disengages when __________:
- Activating either pilot’s control wheel trim switch or loss of respective hydraulic system pressure
- Pushing either A/P disengage switch or pushing either Takeoff / Go-around (TO/GA) switch with a single A/P engaged in CWS or CMD below 2000 feet RA
On the 737, the F/Ds can be operated __________.
with or without the A/P and A/T
How do you know which FCC is the master?
by illumination of the respective master (MA) F/D indicator light
What following indications are displayed in the A/P status display located above the attitude indicator?
- CMD, FD, 1 CH
* CWS P, CWS R
What does “CMD” indicate in the autopilot status display of the AFDS?
one or both autopilots are engaged
What does CWS P indicate in the autopilot status display of the AFDS?
pitch mode engaged in CWS
What does CWS R indicate in the autopilot status display of the AFDS?
roll mode engaged in CWS
What does SINGLE CH indicate in the autopilot status display of the AFDS?
for a single A/P ILS approach, annunciates after localizer capture and remains on for entire approach
What does N1 indicate on the AFDS Flight Mode Annunciations Autothrottle Mode?
The autothrottle maintains thrust at the selected N1 limit displayed on the thrust mode display, including full go-around N1 setting.
What does GA indicate on the AFDS Flight Mode Annunciations Autothrottle Mode?
The autothrottle maintains thrust at reduced go-around setting.
What does FMC SPD indicate on the AFDS Flight Mode Annunciations Autothrottle Mode?
The autothrottle maintains speed commanded by the FMC. The autothrottle is limited to the N1 value shown on the thrust mode display.
What does MCP SPD indicate on the AFDS Flight Mode Annunciations Autothrottle Mode?
The autothrottle maintains speed set in the MCP IAS/MACH display. The autothrottle is limited to the N1 value shown on the thrust mode display.
What does THR HLD indicate on the AFDS Flight Mode Annunciations Autothrottle Mode?
The thrust lever autothrottle servos are inhibited; the pilot can set the thrust levers manually.
To engage a TO/GA mode for takeoff ______________ and you have to press either TO/GA switch
both FD switches must be ON
To engage a TO/GA mode for go-around, press either TO/GA switch when _______
- Inflight below 2000 feet radio altitude
* not in takeoff mode and either F/D switch ON or OFF
While you are in the pitch mode, VNAV SPD commands _______
the AFDS to maintain the FMC speed displayed on the airspeed indicator and/or the CDU CLIMB or DESCENT pages
In the pitch mode, the AFDS Flight Mode Annunciation VNAV PTH commands _______.
the AFDS to maintain FMC altitude or descent path with pitch commands
In the pitch mode, the AFDS Flight Mode Annunciation V/S (engaged) commands _______.
pitch to hold selected vertical speed
In the pitch mode the AFDS Flight Mode Annunciation ALT ACQ commands _______.
a transition maneuver entered automatically from a V/S, LVL CHG, or VNAV climb or descent to the selected MCP altitude.
In the pitch mode the AFDS Flight Mode Annunciation ALT HOLD commands _______.
pitch to hold MCP selected altitude or uncorrected barometric altitude at which ALT HOLD switch was pushed
In the pitch mode the AFDS Flight Mode Annunciation MCP SPD commands _______.
the AFDS to maintain the IAS/MACH window airspeed or Mach
In the pitch mode the AFDS Flight Mode Annunciation G/S (engaged) commands _______.
the AFDS to follow the ILS glideslope
In the pitch mode the AFDS Flight Mode Annunciation FLARE (engaged) commands _______.
During a dual A/P ILS approach, flare engages at 50 feet radio altitude. FLARE accomplishes the autoland flare maneuver.
In the roll mode the AFDS Flight Mode Annunciation LNAV commands _______.
the AFDS to intercept and track the active FMC route
In the roll mode the AFDS Flight Mode Annunciation HDG SEL commands _______.
the aircraft to turn to, or remain on the heading selected in the MCP Heading Display
Looking at the Mode Control Panel, Speed mode engages automatically when:
- ALT ACQ engages or ALT HOLD engages
* V/S engages or G/S capture occurs
If you push the Speed Intervention (SPD INTV) Switch on the Mode Control Panel when VNAV is engaged, this __________________.
reveals the IAS/MACH display, activates FMC speed intervention, displays the FMC target speed, and allows the IAS/MACH selector to be used to set the desired speed
If you engage VNAV, the FMC command the AFDS pitch and ______________ to fly vertical profile selected on the ____________.
autothrottle; FMC CDUs
While you are in a VNAV SPD descent, the autothrottle holds ______ and the AFDS _________.
idle; holds FMC target speed
While you are in a VNAV PTH descent, the autothrottle holds ______ and the AFDS _________.
idle but can command FMC SPD mode if ground speed becomes too low to maintain FMC vertical path; tracks FMC descent path
If you push the Level Change (LVL CHG) switch in a climb, this commands the autothrottles to hold ______ thrust and the AFDS to hold selected airspeed.
limit
If you push the Level Change (LVL CHG) switch in a descent, this commands the autothrottles to hold ______ thrust and the AFDS to hold selected airspeed.
idle
While in you are in Altitude Hold, if the Altitude Selector on the Mode Control Panel is rotated in any direction, the ______ mode is armed.
V/S
When you are actively descending or climbing with VNAV engaged, if the ALT INTV switch is pushed, the next altitude restriction in the FMC will be _________.
eliminated
Pushing the LNAV Switch commands the AFDS roll to intercept and track the active _______ on the Mode Control Panel.
FMC route
Initially, pushing the HDG SEL (Heading Select) switch commands a turn in the shortest direction towards the heading bug.
True
Pushing the Approach (APP) Switch arms the AFDS for what?
localizer and glideslope capture
