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Old 13th Sep 2009, 16:25
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Warmtoast
 
Join Date: Nov 2006
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Tim

It's fine to look at all the risks involved but my view is that he showed some flair and enthusiasm and wasn't afraid to take a calculated risk.
Taking a calculated risk to fly under / through a bridge is fine, but the calculator of risks often ignores the probability that Murphy's Law will apply to his considered assessment.

I feel sure that the pilot who crashed into a bank of the River Avon after having flown under Clifton suspension bridge in 1957 made all the right risk assessments, but it didn’t stop his assessments of the risks being proved wrong and killing himself in the process. See quote below.

Similarly the spectators were all were appreciative of Neil Williams flying inverted in his Zlin Trener just 20-30ft above their heads at a 1960’s BoB display at Biggin Hill as shown in the screen grabs below from my 8 mm cine film of his inverted fly past. It worked then, but what if Murphy came along and it hadn’t?

Personally if I was a pedestrian on or near Tower Bridge at the time I’d much prefer the risk assessor deciding to fly over rather than through the bridge.

JET PILOT KILLED IN AVON GORGE - VAMPIRE FLOWN UNDER BRIDGE -
UNITS FINAL PARADE


An hour before the Duke of Gloucester was due to take the salute at the disbandment parade of 501 (County of Gloucester) Squadron, Royal Auxiliary Air Force, at Filton, Bristol, yesterday [Sunday, Feb 03, 1957], a Vampire jet fighter attached to the squadron crashed into a bank of the River Avon after having flown under Clifton suspension bridge.

The pilot, Flying Officer J. G. Crossley, aged 28, was killed. The suspension bridge spans the Avon Gorge and carries a road 245ft. above the river. The aircraft narrowly missed the bridge, according to eye witnesses, and dived into a steep slope on the Somerset side of the river, near Pill, about two miles from the bridge. The impact caused a slight landslide which almost reached a railway line below. No trains were run on the line, which connects Bristol and Portishead, for several hours. The wreckage of the aircraft caught fire and Bristol and Somerset firemen had to lay a hose for more than a quarter of a mile across the hillside. The body of the pilot was found among the wreckage.

Flying Officer Crossley, a single man, was employed by the flight test department of a subsidiary of the Bristol Aeroplane Company. He lived in Bristol, but his home was at Blackburn.

Mr. William Rodgers, prospective Labour candidate in the forthcoming by-election at Bristol West, said last night that he was admiring the view from the suspension bridge when he heard the scream of jet engines. “The aircraft came in very low” he said. He watched it disappear up the gorge and round a bend. There was a loud explosion and immediately smoke billowed up."
Mr. A. H. Fenn, proprietor of a kiosk on the bridge, said: “There was a strong wind, and as the aircraft continued up the gorge it appeared to roll or bank to the left I imagine the strong cross-wind must have caught him as he was banking."

Squadron Leader M. C. Collings, officer commanding the squadron, said the aircraft was being tested as a reserve for the parade fly-past No route had been laid down for it, but the pilot had not permission to attempt to fly under the bridge.

The Duke of Gloucester, who is honorary Air Commodore of the squadron, knew nothing of the crash until after the parade He was told of it by Air Marshal Sir Thomas Pike, Air Officer Commanding-in-Chief. Fighter Command.

ROYAL TRIBUTE
At the parade, the first to be held by a Royal Auxiliary Air Force squadron since the recent disbandment announcement, the Duke said: The reasons for the Government’s decision have been given and we must however difficult it is, loyally accept them. I can only say that I fully understand and sympathize most sincerely with your feelings at this moment. The fame of your squadron and of the rest of the Royal Auxiliary Air Force will, I know, live on long after disbandment.”

He recalled that 501 Squadron went quickly to France when the last war began and one morning “bagged” 18 enemy aircraft before breakfast. Later the squadron played a distinguished part in the Battle of Britain, and it was Sergeant James Lacy, a member of the squadron, who shot down the Heinkel which bombed Buckingham Palace.

The parade included both personnel of 501 Squadron and of 2501 Field Squadron. Royal Auxiliary Air Force Regiment. A solitary Vampire jet fighter flew past as the Duke took the salute.

PILOT’S FLIGHT WAS “UNAUTHORIZED”
Flying Officer John Greenwood Crossley, aged 28, the pilot who crashed and died in the Avon Gorge after flying a Vampire aircraft under the Clifton suspension bridge last Sunday, was on an unauthorized flight, it was stated at the inquest yesterday at Flax Bourton, near Bristol.
Corporal Robert Charles Troll, of the Royal Auxiliary Air Force, stationed with 501 Squadron at Filton, said that at 10.30 a.m. on Sunday he saw Crossley sitting in a Vampire starting the engines[sic]. “He then climbed out, dashed round to the starboard side, disconnected the starting appliance, and then climbed back into the aircraft as if he was in a hurry. ... I made signs to prevent him from taking off because the nose wheel chock was behind the wheel and danger might ensue. He ignored me completely”
The inquest was adjourned until February 26.



Approaching inverted




Flying by - Inverted



Climbing away, still inverted.

Last edited by Warmtoast; 22nd Sep 2017 at 09:07.
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