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Re: when good software goes bad ..

____/ nessuno@xxxxxxxxxxxxxxxxxxx on Friday 25 January 2008 00:03 : \____

> On Jan 24, 12:03 pm, Doug Mentohl <doug_ment...@xxxxxxxxxxxxx> wrote:
>> Jan 22 2008
>>
>> "BA Flight 38, a twin-engined Boeing 777-236ER arriving from Beijing
>> with 136 passengers and 16 crewmembers aboard, landed short of Runway
>> 27 at Heathrow International on Jan. 17, suffering extensive damage as
>> it skidded hundreds of meters on grass. Six passengers suffered minor
>> injuries in the first serious accident involving the 777 since the
>> plane first went into production in 1996"
>>
>> "The Boeing 777-236ER crash comes ten days after a Qantas Boeing
>> 747-400 lost main power on its descent into Bangkok, Thailand on Jan.
>> 7 and was forced to land on battery backup. There were no injuries and
>> no damage to the jumbo jet"
>>
>> http://www.tradingmarkets.com/.site/news/Stock%20News/1014279/
>>
>> April 23 2007
>> "An emergency Airworthiness Directive (AD) issued September 30 stems
>> from two occurrences of engine thrust rollback during takeoff on
>> Boeing 777-300ERs"
>>
>> "Trouble-shooting technicians have found that the two cases in which
>> there were single-engine thrust reductions during takeoff were the
>> result of a flawed software algorithm in the Full Authority Digital
>> Engine Control (FADEC)"
>>
>> http://findarticles.com/p/articles/mi_m0UBT/is_39_20/ai_n16766814
>>
>> "Diamond Aircraft Industries and Thielert Aircraft Engines are at
>> loggerheads over the cause of a double engine failure involving a DA42
>> Twinstar during take-off in Germany last month"
>>
>> http://www.flightglobal.com/articles/2007/04/23/213371/accident-ignit...
>>
>> "On August 1, 2005, a Boeing 777-200, which had departed from Perth,
>> received an EICAS (Engine Indication and Crew Alerting System) warning
>> of low airspeed"
>>
>> "The PFD speed tape also displayed contradictory information: that the
>> plane was approaching both the high speed limit and the low speed
>> (stall) limit"
>>
>> 'The aircraft, still connected to the autopilot, pitched up and
>> climbed .. The stall warning devices also activated'
>>
>> 'The PIC (pilot in command) "disconnected the autopilot and lowered
>> the nose of the aircraft. The autothrottle commanded an increase in
>> thrust which the PIC countered by manually moving the thrust levers to
>> the idle position'
>>
>> http://www.airlinesafety.com/faq/777DataFailure.htm
> 
> What do the pilots do when it BSODs?

I've had a quick look at the snippets. I doubt they use Windows. In fact, Linux
and some proprietary antiquated applications usually power those planes. The
critical parts are slower to adopt Linux.

-- 
                ~~ Best of wishes

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