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Old 12th April 2025 | 08:05
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BoeingDriver99
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Joined: Sep 2018
: ATPL
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From: Seattle
Total Autopilot Failure

Hi all,

There are two interesting threads running on the use of automatics; Auto flight vs hand-flying & I’m starting to think…

Question: has there ever been an example of total autopilot failure on modern airliners? I’m talking A320/B737 (lol modern)/A330/B757 Etc to present day.

The 320 has two independent autopilots, the 737 is the same. I think the 757 has three?

I have flown with the autothrust INOP on the 320 for a day.

But has there ever been a case of BOTH APs failing during normal operations? Or dispatching with both APs INOP?

And to be clear; I’m asking about only complete AP failure - NOT failures that lead to loss of AP - for example dual hydraulic loss on the 320.

Regards,

BD
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