[jussij]

I was responding to the claim the flight control was averaging the two pilot inputs, because if that was the case then two pilots would have been flying the plane.

Might point was I doubt that this was in fact happening and there was only ever one pilot in charge.

> the Air France flight where the computer was receiving inputs from two pilots.

The link and quotes I posted suggest that was not happening.

The system was just ignoring the other pilot (and that was the designed fault) because it also failed to tell that other pilot he was being ignored.

[foldr]

>because it also failed to tell that other pilot he was being ignored.

It didn't fail to tell him. That's what the dual input alarm is for.

[jussij]

I will have to take your word on this dual input alarm as I have not read or seen any details on this alarm.

Now if that alarm was raised then that suggests both pilots were in error as they both seemed to have ignore that alarm.

However that was never the reason for my original reply.

All I was replying to was idea that the flight control was doing some sort of averaging of the two pilot inputs.

That to me just seems illogical as it would asume two pilots trying to fly the same plane and that scenario will never end well.

[foldr]

>Now if that alarm

The sounding of the alarm is in the transcripts in the accident report.

The Airbus does average the inputs if both pilots are making inputs at the same time.

[jussij]

> The Airbus does average the inputs if both pilots are making inputs at the same time.

Do you have a url/link/pdf that describes this behaviour?

[foldr]

https://safetyfirst.airbus.com/app/themes/mh_newsdesk/docume...

"When both sticks are moved simultaneously, the system adds the signals of both pilots algebraically."

[jussij]

Thanks for the link. It is a very interesting read.

In particular it also says this:

To avoid both signals being added by the system, a priority P/B is provided on each stick. By pressing this button, a pilot may cancel the inputs of the other pilot.

From this link: https://en.wikipedia.org/wiki/Air_France_Flight_447

As pilot flying, Bonin took control of the aircraft via the side stick priority button and said, "I have the controls."

Which again suggests at least in this case, Bonin was the only one flying the aircraft.