Re: Boeing KC-767 full page add in USAToday



SiG226 wrote:

"Eeyore" wrote
Gernot Hassenpflug wrote:
WaltBJ <waltbj01@xxxxxxxxxxxxxx> writes:
Eeyore wrote:
WaltBJ wrote:

As a horrible example - the Airbus 320 that was flown into the
ground
during an exhibition flight by Air France's chief 320 pilot.
Certainly
he did err, but the limitation on spool-up time surely had something
to do with the accident.

No, the engines performed exactly as commanded.
SNIP:
That is exactly my point. The engines did not spool up as fast as they
could have had not the FADEC limited the temperatures during spool-up.
Don't bother telling me that the FADEC does not limit temps during
accel; this excursion protection must be observed for long life in
service. The FADEC saved the engines but helped lose the airplane. In
addition, the FADEC would also not permit overboosting, which would be
of aid during a windshear incident, such as occurred to a UAL 727 at
Staplton where going to max attainable power saved an accident - the
27 cleared the ground by 13 feet . . .so much for 'Father knows best'.

Many good points there. Computers cannot and never will know
everything, not least because the engineers and scientists who create
the programs do not have the full overlap of imagination with and
experience as pilots.

Airbus DOES NOT write the FADEC software.

Just had a thought............hasn't the BOEING Vertol Chinook got
FADEC?.........so its not just confined to Airbus, Boeing does it too !,
infact I think the RAF Board of inquiry are about to re-investigate the
crash by an RAF chinook on the Mull of Kintyre in particular with regards to
the digital engine controls.

FADEC is standard on ALL modern engines and has been for decades.

Yes, it's well known that the RAF Chinooks had broken software in their FADECS.
It was prone to power setting problems IIRC.

The RAF even won a lawsuit against the FADEC supplier on this account and
received damages. To my mind it would have been better to have got the software
fixed ! The pilots KNEW the aircraft wasn't airworthy.

Graham


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Relevant Pages

  • Re: Boeing KC-767 full page add in USAToday
    ... during an exhibition flight by Air France's chief 320 pilot. ... but the limitation on spool-up time surely had something ... the engines performed exactly as commanded. ... could have had not the FADEC limited the temperatures during spool-up. ...
    (rec.aviation.military)
  • Re: Boeing KC-767 full page add in USAToday
    ... >>> during an exhibition flight by Air France's chief 320 pilot. ... the engines performed exactly as commanded. ... > could have had not the FADEC limited the temperatures during spool-up. ... infact I think the RAF Board of inquiry are about to re-investigate the crash by an RAF chinook on the Mull of Kintyre in particular with regards to the digital engine controls. ...
    (rec.aviation.military)
  • Re: Boeing KC-767 full page add in USAToday
    ... during an exhibition flight by Air France's chief 320 pilot. ... but the limitation on spool-up time surely had something ... the engines performed exactly as commanded. ... could have had not the FADEC limited the temperatures during spool-up. ...
    (rec.aviation.military)
  • Re: DA 42 accident
    ... Since the engines are FADEC controlled, the dead battery did not have ... enough power to retract the landing gear and keep the engines going. ... FADEC keeps the fuel flow and props configured, ...
    (rec.aviation.piloting)
  • Re: Jet jocks and airliner drivers?
    ... exactly how much thrust is required to maintain slow, level, flight. ... Only the FADEC knows exactly how much. ... Pilots only make suggestions to an ...
    (rec.aviation.piloting)