The Air Accidents Investigation Branch (AAIB) report said cockpit footage from two cameras - one including part of the pilot and instrumentation showed the plane "responding to the pilot's control inputs".
The interim report [AAIB Bulletin 3/2015 Special] is compiled from facts which have been gathered and evaluated up to the time of publication. The objective is to inform the aviation community and the public of the 'general circumstances' of accidents and serious incidents. The AAIB makes the clear point, the contents should be regarded as tentative and always subject to alteration and correction if and when new evidence become available.
The interim report or special bulletin is therefore primarily a discussion document rather than a definitive statement, and that is reserved for the final accident report which could take up to two years to complete.
The interim report said the cockpit canopy was open and that pilot Andy Hill along with his ejector seat was thrown clear of the aircraft during the later part of the crash on 22 August.
The AAIB said it was not clear whether Mr Hill initiated his ejection, although the safety bolts had been removed and stowed and the pilot ejection seat properly primed for use before take off by an engineer at the jets home base.
The interim report deals extensively with Mr Hills qualifications and found them all to be in order, and all required permits and medical certification current and validated.
The AAIB interim report says the 51-year-old pilot is currently in a serious but stable condition in hospital. The Hawker Hunter's canopy was released at the initial impact, the jet tail pipe was the first part of the aircraft to make contact with the ground as the jet was in a nose up position. The interim report confirms that both fuel tanks - one slung under each wing - were filled [and it is assumed the onboard tank was also full] at the point of departure from the jets home base at North Weald. At the time of impact fuel and fuel vapour was released, then ignited as the jet split into four parts. Both Mr Hill and his ejection seat were thrown clear of the cockpit.
The interim report states: "The investigation continues to determine if the pilot attempted to initiate ejection or if the canopy and pilot's seat were liberated as a result of impact damage to the cockpit."
The AAIB interim report confirms there are no "blackbox" flight /data recorders on the vintage jet, and that no flight path information was recovered from the GPS. However, there were two cameras positioned in the cockpit.
"To date, no abnormal indications have been identified [from the footage].
"Throughout the flight, the aircraft appeared to be responding to the pilot's control inputs."
The AAIB said it has received a "large amount" of video footage and photographs of the aircraft, much of which was taken in high resolution, from a variety of locations on and around Shoreham Airport.
It said an analysis of the still and moving images using "photogrammetry techniques" will be undertaken to establish the parameters of the aircraft's manoeuvres, including flight path and speed.
- Matt Jones, a 24-year-old personal trainer
- Matthew Grimstone, 23, a Worthing United footballer who worked as a groundsman at Brighton & Hove Albion
- Jacob Schilt, also 23 and also a Worthing United player, was travelling to a match with Mr Grimstone
- Maurice Abrahams, 76, from Brighton, was a chauffeur on his way to pick up a bride on her wedding day
- Friends Richard Smith, 26, and Dylan Archer, 42, who were going for a bike ride on the South Downs
- Mark Reeves, 53, had ridden his motorcycle to the perimeter of Shoreham Airport to take photos of the planes
- Tony Brightwell, 53, from Hove was an aircraft enthusiast and had learnt to fly at Shoreham airfield
- Mark Trussler, 54, is thought to have been riding his motorcycle on the A27
- Daniele Polito was travelling in the same car as Mr Jones
- Graham Mallinson, 72, from Newick, was a keen photographer and retired engineer
Sources: AAIB, BBC, CNS, Reuters, Shoreham Herald, Shoreham Air Show volunteers
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