The Vulcan XH558 & General Aviation Thread

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Mike Bull
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Re: The Vulcan XH558 & General Aviation Thread

Post by Mike Bull » Wed Mar 08, 2017 1:55 pm

Don't forget, some of the maintenance issues (fuel system elastomers, etc) identified are retrospective, with new practices to implemented from now on.

Post-crash, the ejection seat system cartridges were found to be out of date, thus invalidating the aircraft's permit; new items were available on the shelf. But even had they been replaced correctly, the aircraft STILL would have taken off and flown over Shoreham, in the hands of the same person, who presumably would have flown and subsequently crashed it in the same manner!

Of course an aircraft should meet all the necessary requirements for its permit, but the AAIB report should be your absolute end of the line here; and I refer yet again to their finding that the accident was entirely down to the pilot, and nothing else.

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Re: The Vulcan XH558 & General Aviation Thread

Post by Piston Broke » Wed Mar 08, 2017 2:03 pm

conistoncollie wrote:
Wed Mar 08, 2017 1:14 pm
Presumably then you apply that to the several thousand aircraft that are in the sky at any given moment?!
Only the ones that are not in compliance with their permits to fly
Thats like saying a car is unsafe to drive with an expired MOT yes it hasn't got its bit of paper but it could be perfectly safe. all the parts of the report I have read and discussed are things found after the crash and weren't part of the worthiness to fly until after the crash, and things like the ejector seat cartridges didn't effect the flying of the craft. I my opinon all non military craft should have ejector seats disabled as they shouldn't be in dog fights or getting shot down, and that should be the only reason to bang out. There are plenty of planes flying without ejector seats
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Re: The Vulcan XH558 & General Aviation Thread

Post by Renegadenemo » Wed Mar 08, 2017 11:11 pm

It's not about being shot down, lt's because those swept wing aircraft simply won't fly without engine power and may have to be abandoned in the event of engine failure. As l understand it all swept wing aircraft must have a live seat for that reason.
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Re: The Vulcan XH558 & General Aviation Thread

Post by Piston Broke » Thu Mar 09, 2017 12:39 am

Renegadenemo wrote:
Wed Mar 08, 2017 11:11 pm
It's not about being shot down, lt's because those swept wing aircraft simply won't fly without engine power and may have to be abandoned in the event of engine failure. As l understand it all swept wing aircraft must have a live seat for that reason.
All the more reason to keep the aircraft maintained. If the engine quits you fall out the sky quicker than if you have standard wings
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Re: The Vulcan XH558 & General Aviation Thread

Post by Renegadenemo » Thu Mar 09, 2017 1:26 am

Naively that is what I thought I was seeing at the airshows I have been to. Aircraft rebuilt and maintained better than when they were pushed off the production line.
The questions here are about things like fuel system elastomers (which have never been looked at ever since the aircraft was no longer supported by the government that used to operate it) and ejection seat cartridges that are often no longer supported and just re-lifed through the paperwork because they're just cans of olde worlde black powder.

To put it in human physiological terms - these aircraft have a latent heart defect that has gone either undetected or untreated all these years. They've led normal lives so far but now the clinicians are saying, we need to keep an eye on this from here on in because this might strike you down at any moment.
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Re: The Vulcan XH558 & General Aviation Thread

Post by Renegadenemo » Thu Mar 09, 2017 1:32 am

All the more reason to keep the aircraft maintained.
Absolutely - but how do you have, for example, a Lucas piston pump overhauled when the only facility on the planet that used to overhaul the derivative you're running no longer overhauls them? And even if they did it's so horribly expensive as to be totally prohibitive.
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Re: The Vulcan XH558 & General Aviation Thread

Post by conistoncollie » Thu Mar 09, 2017 10:07 am

Thats like saying a car is unsafe to drive with an expired MOT
A car is unsafe to drive with an expired MoT - or am I missing something here?
A vehicle either complies with MoT regs, or it doesn't. If it doesn't it should not be on a public road.

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Mike Bull
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Re: The Vulcan XH558 & General Aviation Thread

Post by Mike Bull » Thu Mar 09, 2017 10:23 am

This is getting silly.

A car may be illegal to drive with no MoT, but that doesn't mean that the vehicle is unsafe; some cars go year after year without failing a test- so an expired piece of paper does not make them 'unsafe'. Also, you can drive a car with no certificate on the public road, if you are going to a pre-booked test centre.

The Hunter crashed because the pilot ballsed it up. No other factor was involved. How many more times does it need to be said?

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Re: The Vulcan XH558 & General Aviation Thread

Post by Richie » Thu Mar 09, 2017 12:31 pm

Sell them and get a tank
Clarence come out ov zat tank at vonz !

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Mike Bull
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Re: The Vulcan XH558 & General Aviation Thread

Post by Mike Bull » Thu Mar 09, 2017 12:34 pm

:lol: :lol: :lol: :lol:

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