Questions tagged [autopilot]
An autopilot is a system used to guide an aircraft without assistance from a person.
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Standard Airliner Roll Rates Under Autopilot Control?
Do Boeing-Airbus planes under autopilot control adhere to standardized roll rates during routine maneuvers?
For Example: A 5 degrees per second roll rate between 0 and 20 degrees of bank?
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What happens to ADIRU/FAC AP etc, when Pitot probes fail?
Situation: Suppose due to a bird strike pitot 1 is blocked with debris and radome is dented causing inconsistent airspeed indication between P2 and P3 (due to unequal airflow). This happens at about ...
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Thoughts on Idea - AP Disengage, Land Flap Selection
When AP disengages the aircraft goes into a slight roll or the possibility exists for the aircraft to go into a degree of roll.
Do you think it would be prudent for airlines to include as an SOP for ...
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How can I control the flight path angle (or the ROC) with throttle in Simulink?
I need to implement an autopilot for my 3DoF (longitudinal motion) aircraft model in Simulink. My model is nonlinear, but linearizing it in Simulink hasn’t been an issue.
I’m trying to develop a ...
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Garmin autopilot question
I recently took a check out in a Cessna 172 with a Garmin GFC 500. My instructor had said when the plane was turning on nav mode, to not select a different heading opposite of the turn and switch to ...
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After designing an autopilot, how does it affect aircraft modes?
Let's say an autopilot will be designed for the longitudinal axis. A pitch attitude hold will be made with a sas in the inner loop and a pid in the outer loop. How does this system change the phugoid ...
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ILS Frequency Assignment In Dual Nav Radio Setup
With a dual Nav radio setup (On autopilot panel) does the ILS frequency of the runway you're about touch down on need to be entered into both radios or just one? Cheers.
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Helicopter autopilot
Is there any video or explanation how parallel actuators work on 4 axis helicopter autopilot ?
I am familiar with beep trim and trim release buttons, but want to know how it all works in the ...
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How do I get rated to fly complex aircraft that are still Microlights?
In the most recent issue of the BMAA magazine, there are new aircraft listed that are still Microlights, but have complex features. These include Autopilot(!), retractable landing gears and even ...
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Why did autopilot switch to CWS P on a LNAV/VNAV approach, and why didn't it reduce descent rate to comply with CDU alts when VNAV was re-engaged?
We were performing an NDB approach the other day due to the ILS being unserviceable.
We are flying a 737-800, FMC Update 14.0 (“common VNAV”)
We were using LNAV and VNAV as our roll and pitch modes ...
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Pitch control in PX4 autopilot
I am trying to translate controller diagram of fixed wing px4 attitude control into mathematical form. While going through the controller diagram Fixed-Wing Attitude Controller looking into PX4 github ...
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Is an autopilot failure an emergency?
If the autopilot of an airliner fails, but everything else still works, weather conditions are good, and the pilots are able to hand-fly the plane with no problems, is this an emergency? Would they ...
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As of 2023, why do we still not have an airplane that can be operated by a person with very little training?
In the past 20 years the following technologies reached full maturity:
Computers now have immense computation power, sufficient to process real-time video with several backup systems for a relatively ...
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Why would planes with two autopilots have just one active during cruise?
I know that the plane must have two autopilots for flying approaches, but why have individual buttons for each autopilot? Wouldn't it be easier to have both autopilots work at the same time for the ...
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Why do autopilot controllers use $\theta$ as the input signal rather than $\gamma$?
In particular, referencing how the Matlab/Simulink controller here uses $\theta$ (absolute pitch angle), rather than $\gamma$ (flight path angle). (Autopilot controller starts at 59:26)
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