tartare wrote:
I would humbly suggest it's an example of taking a calculated risk.
(and)
A well maintained, albeit vintage aircraft being rolled in a relatively benign manoeuvre by experienced crew.
Chance of an airframe failure?
If indeed XH558 was rolled in the manner alleged, what gave the crew any right to consider that they could take
any such risks, calculated or not, with the aeroplane? And for them to defy the Permit to Fly restrictions in such a cavalier manner shows a flagrant and totally unacceptable lack of flying discipline.
There might not have been a risk of airframe failure, but the risk of structural damage should have required the aircraft to be grounded immediately after landing - "
That was the final trip!".