Jan Panteltje  wrote:
> "NY" wrote
>> "Jan Panteltje"  wrote in message
>> news:puri48$gf7$1@dont-email.me...
>>> Also as to airspeed it should use at least 2 sensors and do arbitration
>>> and disable itself and give a clear
>>> warning to the pilots if an abnormal condition occurred.
>>
>> If you want to be sure, you need at least three sensors and a majority vote
>> to determine, not that that there is an anomaly, but *which* sensor is
>> anomalous and should be ignored. Error-correction as well as
>> error-detection.
>
> Yes, that is better, IIRC Concorde had 3 systems and arbitration.
>
> Of course 2 sensors with vastly different values would also indicate
something is wrong.
> Sometimes I think the software was written by some intern...
>
> From the other links posted here Boeing does not seem to think very high
> about pilot capabilities... "No need to tell them about the system,
> too complicated for them'.

Joke among pilots:  The cockpit of the future has a pilot and a dog—the
pilot’s job is to feed the dog, the dog’s job is to bite the pilot if he
tries to touch the controls. ;-)

--
-michael - NadaNet 3.1 and AppleCrate II:  http://michaeljmahon.com

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