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-   -   Shoreham Airshow Crash Trial (https://www.pprune.org/military-aviation/619209-shoreham-airshow-crash-trial.html)

Wetstart Dryrun 23rd Jan 2024 18:01

Maybe he was performing a recovery from the vertical.

Perhaps clanking up the entry gate for a loop is more germane?

stickstirrer 25th Jan 2024 21:38

Ongoing debate…
 
I’m still convinced he reverted to his more familiar gate ht and entry speed for the JP with which he was more familiar and practiced. He achieved exactly those parameters in the Hunter……..A moment of stress and automatic reversion to type.

Diff Tail Shim 25th Jan 2024 23:07


Originally Posted by fdr (Post 11580856)
this case isn't "Galloping Ghost". On blacking out, which follows grey out for positive g, the elevator input would have decreased only with some certainty at the point of losing consciousness, but the term blacking out does not itself indicate the loss of consciousness. On G-LOC, a loss of consciousness, and the aircraft would have reverted to a flight path as a consequence of the trimmed speed from the THS at the time that the aircraft was last in trim. What was the story that the jury heard?

For many G-LOC cases, if the aircraft is at a high bank angle, the speed stability (AOA stability) will result in increasing loads as the spiral tightens. In this case, the wings were level, and the aircraft would pitch to achieve the in trim speed one way or the other, without intervention by the pilot. However, the pitch angle at initial ground contact suggests that there was someone pulling strenuously on the controls at that time, and that means the pilot would most likely have been conscious at that moment. The exact condition would be determinable by measurement of the stabiliser actuator if it remained anywhere near intact.

If he had been professional accident would never happened. He wasn't. I get my coat.

megan 26th Jan 2024 00:00


If he had been professional accident would never happened
Professionals have fatal accidents just like the rest of humanity.

fdr 26th Jan 2024 01:06


Originally Posted by Diff Tail Shim (Post 11583628)
If he had been professional accident would never happened. He wasn't. I get my coat.

hmmm; Jimmy Leeward was pretty experienced on the aircraft and RARA, he had flown over many years in the 80s and 90s, and then taken time off for10 years. The elevator tab problem had occurred before, but wasn't fatal to the other aircraft. The NTSB did consider the wear of the system made it susceptible to flutter. So, yes, that was a bad call. However, I've flown Boeing jet airliners that had enough flex in the ailerons to have LCO in level flight and within the envelope of the aircraft, so am not sure that it is justified to have called Jimmy unprofessional, he would have been well advised to have little or no slack in the flight control systems however.

OvertHawk 26th Jan 2024 09:29


Originally Posted by DaveJ75 (Post 11580929)
You might want to google '2014 Glasgow bin lorry crash'... Bloke who was was pole bending that didn't go down...

That the Bin Lorry driver did't "go down" was a travesty and the result of several systemic cock-ups and incompetencies in various agencies.

(IMHO)


DaveJ75 26th Jan 2024 13:31


Originally Posted by Diff Tail Shim (Post 11583628)
If he had been professional accident would never happened. He wasn't. I get my coat.

Mm...


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