ASN Wikibase Occurrence # 18872
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| Date: | Friday 11 June 1993 |
| Time: | 14:48 LT |
| Type: |  Hawker Hunter T Mk 7 |
| Owner/operator: | Cubitt Aviation |
| Registration: | G-BTYL |
| MSN: | 41H-693688 |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Brunsten Croft Ridge, Broomhead Moor, near Stocksbridge, South Yorkshi -
 United Kingdom
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | RAF Coltishall, Norfolk (CLF/EGYC) |
| Warton Airfield, Lancashire (WRT/EGNO) | |
| Investigating agency: | AAIB |
| Confidence Rating: |  Accident investigation report completed and information captured |
Hawker Hunter T. Mk.7 G-BTYL (formerly XL595) dived into the ground at Brunsten Croft Ridge, Broomhead Moor, near Stocksbridge, 8 nautical miles northwest of Sheffield, South Yorkshire, on the 11th June 1993
The owner of the aircraft, a commercial pilot with over 5,500 hours of experience, normally flew from Foulsham, in Norfolk, but kept G-BTYL at RAF Coltishall as there were better facilities for maintaining and operating such an aircraft from there. He had bought XL595 from the RAF in December 1991 after it had been in long term storage at St Athan and had it transferred by road to Coltishall where the aircraft was restored to flying condition and then register with the CAA as G-BTYL.
They issued a permit to fly with a number of restriction, one was that the aircraft was not to be flown above 10,000 feet, due to the oxygen system not having been re-certified at the time, and another was that it was to only be flown in VMC (Visual Meteorological Conditions)- though the pilot himself was licensed to fly in Instrument Meteorological Conditions.
On the day of the crash the pilot was intending to fly from Coltishall to Warton near Preston for the Blackpool Air Show on the 12th June where he was booked to perform a display.
He arrived at Coltishall during the morning of the 11th to be told by the duty weather forecaster that it would not be possible for a VMC flight to Warton due to the presence of a band of rain across the route with cloud base below 1000ft and visibility around half a mile. Mr Wallace Cubit (pilot and owner of G-BTYL) decided to wait until later in the day to see if conditioned had improved. At shortly before 2pm he returned to the met office at Coltishall, he was told that while the conditions had improved in the Warton area extensive areas of thunderstorms were developing in the East Midlands. He left the office stating "I'll have to think about it".
Not long after he went to his aircraft and was helped into the cockpit by an RAF technician who armed to ejection seat, Mr Cubitt then contacted the controller and requested permission to start his engine and for clearance to fly VFR to Warton at Flight Level 105, this clearance was given and at 14:27 the aircraft was at the holding point just off the runway, the aircraft was then cleared for take off at 14:31.
After take off the aircraft the pilot turned onto a direct track towards Warton and reported at 14:35 to Eastern Radar that he was at FL 105, radio traffic was normal at first but the transmissions from the aircraft fairly quickly became unintelligible, at 14:47 Mr Cubitt was requested to contact Manchester Control but it would appear that he did not receive this as shortly after this he contacted Waddington and reported that he was 55 nautical miles from Warton at FL 105. The controller at Waddington realised from his plot that the aircraft had strayed into controlled airspace and instructed Mr Cubitt to turn left on to a heading of 140 to get him clear of the controlled air space. This command was acknowledged and the beginnings of the turn recorded on radar but 13 seconds later the aircraft disappeared from the radar screen.
At the time contact was lost the aircraft had flown into an area of heavy rain with some hail and thunder activity. It had then dived into the ground, which is at a height of about 1,500 feet, in excess of 450 knots at about 45 degrees nose down while in a left turn heading roughly south west carving a sizeable crater in the otherwise featureless moorland.
The AAIB investigation had very little to go on as no major sections of the aircraft were recovered from the very water logged ground. All the then visible wreckage was cleared from the site and recovered to Farnborough. Parts from all the major areas of the airframe were found however which allowed the AAIB to determine that there had not been a "catastrophic structural failure whilst in flight".
Registration G-BTYL cancelled by the CAA 16/12/1993 as "Addressee Status: Deceased". Such was the force of the impact into the ground, and the boggy nature of the crash site, that the pilot's body was not recovered, and is believed to be still within the wreckage.
Accident investigation:
 |
|
Sources:
1. AAIB: https://assets.digital.cabinet-office.gov.uk/media/5422f6eee5274a1317000667/Hawker_Hunter_T7__G-BTYL_10-93.pdf
2. CAA: https://siteapps.caa.co.uk/g-info/rk=BTYL
3. http://www.peakdistrictaircrashes.co.uk/crash_sites/peak-district/hawker-hunter-g-btyl-broomhead-moor/
4. https://www.flickr.com/photos/pasujoba44/5502828803/
5. https://www.flickr.com/photos/maycontaintracesofnuts/5523509448/
6. http://aircrashsites.co.uk/air-crash-sites-5/mr-wallace-cubitt-and-his-hawker-hunter-t-mk-7-g-btyl-formerly-xl595/
7. http://macr.moonfruit.com/#/hunter-xl595/4518290102
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 17-May-2008 11:10 | ASN archive | Added |
| 06-Dec-2011 09:34 | Dr. John Smith | Updated [Time, Cn, Operator, Total fatalities, Total occupants, Other fatalities, Location, Country, Phase, Nature, Departure airport, Destination airport, Source, Damage, Narrative] |
| 30-Mar-2012 15:00 | Dr. John Smith | Updated [Embed code] |
| 11-Oct-2012 16:59 | Dr. John Smith | Updated [Operator, Location, Source, Embed code, Narrative] |
| 13-May-2016 22:49 | Dr.John Smith | Updated [Location, Departure airport, Destination airport, Source, Narrative] |
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