Questions tagged [flight-director]
A marker on the PFD or MFD indicating the proposed attitude the autopilot will fly.
14 questions
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Why 737 NG Flight Director need to be Recycled?
When FD switch is on, FD is on.
When FD switch is off, FD is off.
But when FD switches are recycled, FD switch on, but FD bars are not shown during approach. Is this due to approach FD logic? If so, ...
- 155
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Can I fly an RNAV DP (GPS & RNAV 1 required) with no FD/AP?
I’m currently planning an instrument flight which includes a full stop at an airport with a RNAV (Obstacle) Departure Procedure.
The procedure plate requires RNAV 1 and GPS.
In ground school I ...
- 31
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1
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Boeing 737-800 Source Off Light and Flight Director Bias Out Of View Function
I have seen the following occur during simulator events. With a left Source Off light illuminated and the captain's autopilot and autothrottles engaged (or re-engaged):
Captain's flight director ...
- 71
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0
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Can commercial automatic flight control fly back-side?
For most commercial flight director, autopilot and auto-throttle systems (e.g. the A330-300, B737-800), the flight director/autopilot flies the altitude hold (ALT) or vertical speed (V/S) mode by ...
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A320/321 FMA indications with Both Flight Director Channel Failed
I hope that someone can answer my question. My friend had “FD 1+2 Failure” in simulator during the low visibility approach. Flight Directors on PFD disappeared, but no FMA change and no approach ...
- 13
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2
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Airbus A320 automatic speed mode protection in SRS vertical mode
According to the A320 FCOM, capter 22 auto flight, flight guidance, the "automatic speed mode protection" of the auto flight system of the A320 disengages the flight directors upon reaching current ...
- 2,468
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How does an Airbus pilot decide whether to use HDG-V/S or TRK/FPA guidance?
The Flight Control Unit of modern Airbus aircraft has a pushbutton for selection of either
heading / vertical speed (HDG-V/S), or
track / flight path angle (TRK-FPA)
guidance for the Autopilot and ...
- 1,216
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Why are Flight Directors turned on so early?
I have noticed that the requirement to turn on the Flight Directors in a commercial aircraft is in one of the very first checklists. Why does this have to be the case when the Flight Directors are ...
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Why is the flight director at 9 degrees nose high when hitting TOGA?
Why is the flight director set to 9 degrees pitch up, when pressing the takeoff / go-around (TOGA) button? In all the jets I fly, this is the case and I would be curious to know if other jets set ...
- 13k
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Do pilots have procedures and safeguards against unintended altitude captures?
Most advanced autopilots with a guidance panel allow you to select an altitude and fly to it. It will often switch over to an altitude hold mode if the airplane is close enough to the selected ...
- 6,813
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Is it possible to disengage only one axis of a two-axis autopilot?
Take GFC700 for example, when autopilot (or flight director) engaged, the lateral mode falls into
ROL, HDG, GPS, VOR, VAPP, LOC, BC, ...
and the vertical model has to fall into
PIT, ALT, FLC, VS, ...
- 3,421
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How may I verify WAAS channel number on G1000?
Take RNAV (GPS) Y RWY 36L and RNAV (GPS) Z RWY 36L at APC for examples,
All fixes and routes in the two approaches are similar.
The noticeable differences that I observe are minimums and WAAS CH ...
- 3,421
4
votes
1
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In G1000, how can I intercept a victor airway with multiple legs?
Suppose we are in HDG mode.
Trivially, we may visually judge which leg we on the victor airway and activate that leg.
However, in real-world, I found sometimes the fixes are so close and the ...
- 3,421
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What is a "Flight Director"?
What is a Flight Director, and how does it differ from Autopilot?
- 7,072