Questions tagged [redundancy]

For questions about the use of multiple similar components to keep a single failure from being catastrophic.

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How dissimilar are redundant flight control computers?

Facts On Airbus aircraft there are computers to secure the flight envelope, or to move the control surfaces. FADECs totally control the engines. Computers take decisions in place of the pilots, or ...
12
votes
5answers
3k views

What alternative methods are there for controlling a plane when flight control surfaces have failed?

I saw a TV show once about Japan Airlines flight 123, in which the aft pressure bulkhead ruptured, disabling hydraulics and ripping off the vertical stabiliser. So the flight crashed after some time ...
1
vote
1answer
128 views

How many Angle of Attack sensor vanes should a commercial passenger airliner have? [closed]

The ill fated MAX of recent news had 2 angle of attack vanes, with the MCAS computer picking the worst one. It seems a "software patch" may not be the only improvement option available. Sensible ...