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AE Flight 4184 NTSB report modified

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chperplt

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Nov 25, 2001
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Avions de Transport Regional's sales executives are seeking to regain attention in the U.S. and, after an eight-year interlude, expect to conclude new orders in the next few months.


The Oct. 31, 1994, crash of an ATR 72-212, American Eagle Flight 4184, near Roselawn, Ind., in icing conditions, had a dramatic impact on ATR's ongoing North American sales campaigns and seriously tarnished the twin turboprops' image. It resulted in eroding confidence in twin-turboprop aircraft types, which were gradually replaced via an emerging preference for jets.


In response to petitions from ATR and the DGAC French civil aviation authority disputing the NTSB's July 9, 1996, final report, the safety board last week issued modifications to its final accident report.


The modified report lists a singular probable cause of the accident: "the loss of control, attributed to sudden and unexpected aileron hinge moment reversal, that occurred after a ridge of ice accreted beyond the deice boots." The board deleted reference to that loss of control being caused by "ATR's failure to completely disclose to operators, and incorporate in the ATR 72 airplane flight manual . . . adequate information about effects of freezing precipitation on [aircraft] stability and control characteristics, autopilot and related operational procedures."


The modifications are not expected to noticeably change the course of marketing events.
 
what's done is done...Ask anyone about regional turboprops, and that accident always pops up...That one and the one over Georgia, involving a Brasilia with a busted prop...Props get no love, sometimes for good reasons
 
Yeah, I flew the ATR. Great plane but you could'nt convince most folks of that. I always heard "hey, is'nt that the plane that has problems in ice?" "Is this thing safe?", etc etc.
 
Weren't there at least two incidents of Brasilias losing the entire prop and hub assembly? The incident in Georgia saw the left engine embed the prop into the left wing, and the other, a training mission where the right side assembley came loose and ruined the tail.

Are there any other such incidents on the Brasilia record?

Just curious.
 
I know of the two ASA accidents in the Brasilia, none of them I would call a "incident", maybe you are alking about two different ones?
 
I'm sorry, maybe you thought I was using the word "incident" in the same way the government uses it, as in lesser than "accident".

I was using this term in place of "occurance" or "event". Certainaly the prop hub separation resulted in an "accident".

Are there any other such occurances on record?
 
The NTSB web site has a section to search for aircraft type. This gives you all incidents/accidents/indecent exposure, er... that you want.....
 

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