Autoflight Flashcards
On takeoff or missed approach, do not engage autopilot below:.
800 feet AGL
Autoland - Maximum Headwind is ______.
25 kts
Autoland - Maximum Crosswind is ______.
15 kts
Autoland - Maximum Tailwind for the B737-800 with flaps 30 or 40 is ______.
10 kts
Minimum altitude for use of autopilot on approach:
ILS/GLS Coupled Approaches (no autoland)?
50 ft AGL
Minimum altitude for use of autopilot on approach:
Non-precision approaches?
50 feet below MDA/DA
The use of Aileron Trim with the Autopilot engaged is _______.
prohibited
The Autopilot Flight Director System (AFDS) is a dual system consisting of _____individual flight control computers (FCCs) and a single mode control panel.
Two
All Autopilot Flight Director System (AFDS) modes can be disengaged either by selecting another command mode or _______________.
by disengaging the A/P and turning the F/Ds off
Autopilot engagement in CMD or CWS is inhibited unless ________.
() all answers are correct
() No force is being applied to the control wheel.
() The STAB TRIM AUTOPILOT cutout switch is at NORMAL
In single A/P operation, full automatic flare and touchdown capability and A/P
go-around capability are ______.
not available
What allows both A/Ps to be engaged at the same time?
Approach mode
The A/P automatically disengages when any of the following occurs:
) all answers are correct
() 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
() Activating either pilot’s control wheel trim switch or loss of respective hydraulic system pressure
The F/Ds can be operated __________.
with or without the A/P and A/T
How is the master FCC indicated?
by illumination of the respective master (MA) F/D indicator light
What following indications regarding AFDS status annunciations are displayed in the A/P status display located above the attitude indicator?
() all answers are correct
() CMD, FD, 1 CH
() CWS P, CWS R
What does CMD in the autopilot status display of the AFDS indicate?
one or both autopilots are engaged
What does FD in the autopilot status display of the AFDS indicate?
the flight director is ON and the autopilot is either OFF or engaged in CWS
What does CWS P in the autopilot status display of the AFDS indicate?
pitch mode engaged in CWS
What does CWS R in the autopilot status display of the AFDS indicate?
roll mode engaged in CWS
What does 1CH in the autopilot status display of the AFDS indicate?
) for a single A/P ILS approach, annunciates after localizer capture and remains on for entire approach
What does N1 on the AFDS Flight Mode Annunciations Autothrottle Mode indicate?
The autothrottle maintains thrust at the selected N1 limit displayed on the thrust mode display, including full go-around N1 setting.
What does GA on the AFDS Flight Mode Annunciations Autothrottle Mode indicate?
The autothrottle maintains thrust at reduced go-around setting
What does RETARD on the AFDS Flight Mode Annunciations Autothrottle Mode indicate?
Displayed while autothrottle moves thrust levers to the aft stop. RETARD mode is followed by ARM mode
What does FMC SPD on the AFDS Flight Mode Annunciations Autothrottle Mode indicate?
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 on the AFDS Flight Mode Annunciations Autothrottle Mode indicate?
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 on the AFDS Flight Mode Annunciations Autothrottle Mode indicate?
The thrust lever autothrottle servos are inhibited; the pilot can set the thrust levers manually.
What does ARM on the AFDS Flight Mode Annunciations Autothrottle Mode indicate?
No autothrottle mode engaged. The thrust lever autothrottle servos are inhibited; the pilot can set thrust levers manually
To engage TO/GA for takeoff ______________ and press either TO/GA switch
both FD switches must be ON
To engage TO/GA for go-around, press either TO/GA switch when _______
() all answers are correct
() Inflight below 2000 feet radio altitude
() not in takeoff mode and either F/D switch ON or OFF
The AFDS Flight Mode Annunciation, 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
The AFDS Flight Mode Annunciation, in the pitch mode, VNAV PTH commands _______.
the AFDS to maintain FMC altitude or descent path with pitch commands
The AFDS Flight Mode Annunciation, in the pitch mode, V/S (engaged) commands _______.
pitch to hold selected vertical speed
The AFDS Flight Mode Annunciation, in the pitch mode, ALT ACQ commands _______.
a transition maneuver entered automatically from a V/S, LVL CHG or VNAV climb or descent to the selected MCP altitude
The AFDS Flight Mode Annunciation, in the pitch mode, ALT HOLD commands _______.
pitch to hold MCP selected altitude or uncorrected barometric altitude at wich ALT HOLD switch was pushed
The AFDS Flight Mode Annunciation, in the pitch mode, MCP SPD commands _______.
the AFDS to maintain the IAS/MACH windows airspeed or mach
The AFDS Flight Mode Annunciation, in the pitch mode, G/S (engaged) commands _______.
the AFDS to follow the ILS glidesplope
The AFDS Flight Mode Annunciation, in the pitch mode, FLARE (engaged) commands _______.
during a dual A/P ILS approach, flare engages at 50ft RA. FLARE accomplishes the autoland maneuver
The AFDS Flight Mode Annunciation, in the roll mode, LNAV commands _______.
the AFDS to intercept and track the active FMC route
The AFDS Flight Mode Annunciation, in the roll mode, HDG SEL commands _______.
the aircraft to turn to, or remain on the heading selected in the MCP heading display
The AFDS Flight Mode Annunciation, in the roll mode, VOR/LOC (engaged) commands _______.
AFDS to track selected VOR course or track selected localizer course along the inbound front course bearing
The A/T system operates properly with the EECs ______.
all answers are correct
- ON
- ALTN
Which of the following actions or conditions will disengage the autothrottles?
moving the A/T Arm switch to OFF, pushing either A/T Disengage switch, or 2 seconds have enlapsed since landing touchdown
For a dual A/P approach, the second VHF NAV receiver must be tuned to the ILS frequency and the corresponding A/P engaged in CMD prior to _______.
800 ft RA
If FLARE is not armed by approximately 350 feet RA, _______________.
both A/Ps automatically disengage
During a single channel A/P approach operation, _________.
an A/P go-around is not available
During an A/P go-around, the first push of either TO/GA switch commands the thrust to advance towards the reduced go-around N1 to producing 1000 to
2000 fpm rate of climb. The second push of either TO/GA switch after A/T reaches reduced goaround thrust ______________.
commands the A/T to advance to the full go-around N1 limit
The AFS provides speed, pitch and thrust commands to avoid exceeding the
following limit speeds
Vmo/Mmo, wing flap placards, landing gear placard and minimum speed
The flashing character A on the IAS/MACH Display represents _______.
an underspeed
On the Mode Control Panel, pressing the Changeover (C/O) Switch _______.
changes IAS/MACH display between IAS and MACH
The IAS/MACH Display is blank when __________.
VNAV mode is engaged
With the N1 light illuminated, pushing the N1 switch on the Mode Control Panel _______.
deselects N1 mode and extinguishes switch light
On the Mode Control Panel, Speed mode engages automatically when:
all answers are correct
- ALT ACQ engages or ALT HOLD engages
- V/S engages or G/S capture occurs
Rotating the speed selector knob on the Mode Control Panel _______.
sets the speed in IAS/MACH display and positionns airpeed cursor
Pushing the Speed Intervention (SPD INTV) Switch on the Mode Control Panel when VNAV is engaged __________________.
reveals the IAS/MACH display, activates the FMC speed intervention, displays the FMC target speed, and allows the IAS/MACH selector to be used to set the desire speed
By engaging VNAV, the FMC command the AFDS pitch and ______________ to fly vertical profile selected on the ____________.
A/T; FMC CDUs
In a VNAV SPD descent, the autothrottle holds ______ and the AFDS _________.
idle; holds FMC target speed
In a VNAV PTH descent, the autothrottle holds ______ and the AFDS _________.
idle but can command FMC SPD mode if the ground speed becomes too low to maintain FMC vertical path; tracks FMC descent path
The ALTITUDE Display on the Mode Control Panel is set by the Altitude Selector and displays selected altitude from 0 to 50,000 feet in ______ foot increments.
100
The Vertical Speed (VERT SPEED) Display window _____ when V/S is ______.
blanks; not active
The Vertical Speed Thumbwheel sets ___________.
vertical speed in VERT SPEED display
Pushing the Level Change (LVL CHG) switch in a climb commands the autothrottles to hold ______ thrust and the AFDS to hold selected airspeed
limit
Pushing the Level Change (LVL CHG) switch in a descent commands the autothrottles to hold ______ thrust and the AFDS to hold selected airspeed.
idle
While in Altitude Hold, if the Altitude Selector on the Mode Control Panel is rotated the ______ mode is armed.
V/S
When 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 Altitude Hold (ALT HLD) switch commands pitch to hold ___________________.
uncorrected barometric altitude at wich the switch was pressed
On the Mode Control Panel, the COURSE display shows the course set by the _______.
course selector
On the Mode Control Panel, rotating the heading selector sets the heading in the_______.
heading display
On the Mode Control Panel, pushing the LNAV Switch commands the AFDS roll to intercept and track the active _______.
FMC route
On the Mode Control Panel, pushing the VOR localizer (LOC) Switch commands the AFDS roll to capture and track the selective _______.
all answers are correct
- VOR
- LOC
The bank angle selector sets the maximum bank angle for the AFDS operation in _______ mode(s).
HDG SEL or VOR
Initially, pushing the Heading Select (HDG SEL) switch commands a turn in the shortest direction towards the heading bug.
true
Pushing the Approach (APP) Switch arms the AFDS for ___________.
localizer an G/S capture
The Command Engage (CMD ENGAGE) switch (A or B) ________.
all answers are correct
- engages the A/P, and displays CMD in the A/P status display
- enables all command modes
The Control Wheel Steering Engage (CWS ENGAGE) switch (A or B) ________.
all answers are correct
- engages the A/P, and displays CWS P and CWS R in the A/P status display
- engages pitch and roll modes in CWS
Pulling down on the Autopilot Disengage (DISENGAGE) bar_______.
disengages both A/Ps
The Autopilot Disengage Switch on the Control Wheel, ________.
all answers are correct
- disengages the A/P, and a warning tone sounds
- illuminates the flashing A/P disengage lights
The Autothrottle Disengage Switch on the Control Stand, ________.
all answers are correct
- disengages the A/T, and trips de A/T ARM switch to OFF
- illuminates the flashing A/T disengage lights
The Stabilizer Out Of Trim (STAB OUT OF TRIM) light operates ________.
only with the A/P engaged
On the UPPER DISPLAY, N1 limit is shown, this number is normally calculated by the________.
FMC
On the Thrust Mode Display, an annunciation of - - - would indicate ________.
the FMC is not computing thrust limit
What does an illuminated Autothrottle Limit (A/T LIM) Indication mean?
the A/T is using a degraded N1 thrust limit from the related EEC
The Stabilizer Out of Trim (STAB OUT OF TRIM) light operates _____________.
only with the A/P engaged
When TO/GA is engaged, TO/GA is displayed __________________.
above the left corner of ADI
