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Old 22nd May 2009, 09:39
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HarryMann
 
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Thanks Indeed for those last few replies.

I'm of the opnion that 'gross excess thrust' in some new types and variants of older types has blinded some authorities to the need for very careful and accurate handling in these types of situations, a need that was always a prime training focus in the distant past - but for a different reason - 'marginal excess thrust'.

Let's now also include the recent DC-10 landing accident in any reference to control loss as a result of modern aircraft aerodynamic design/thrust line configuration and its potential consequences (as well as Schiphol//Bournemouth/Marseilles & maybe Buffalo)... there are no doubt others, as now we know this one 'got away' from serious incident reporting for a while longer than healthy.

As full fwd stick for more than a couple of seconds is a very unusual pitch command - would that combined with extreme aft-trim (below V-Ref for 1-g flight) not be a combination worth considering for a warning?

Or even simpler, and earlier, a warning when auto-trim moves a set margin below V-Ref for 1-g flight, whilst armed for approach.

Last edited by HarryMann; 22nd May 2009 at 09:58.
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