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ASN Wikibase Occurrence # 141635
Last updated: 24 September 2019
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Date:06-JAN-2012
Time:12:22 LT
Type:Silhouette image of generic GA7 model; specific model in this crash may look slightly different
Gulfstream American GA-7 Cougar
Owner/operator:MK Aero Support Ltd.
Registration: G-OOGA
C/n / msn: GA7-0111
Fatalities:Fatalities: 0 / Occupants: 2
Other fatalities:0
Aircraft damage: Written off (damaged beyond repair)
Category:Accident
Location:East of Andrewsfield Aerodrome, Great Dunmow, Essex -   United Kingdom
Phase: Initial climb
Nature:Private
Departure airport:Andrewsfield Aerodrome, Great Dunmow, Essex (EGSL)
Destination airport:
Investigating agency: AAIB
Narrative:
A Grumman American GA-7 Cougar crash-landed in a field near Braintree, shortly after take-off Andrewsfield Aerodrome, Great Dunmow, Essex. The nose gear collapsed. Both occupants received some cuts and bruises.

According to the summary of the official AAIB report into the accident:

"The pilot reported that, on reaching the runway threshold, he held the aircraft on the brakes, advanced the throttles to give 2,000 rpm on both engines, and confirmed the temperatures and pressures were correct. An instructor in an aircraft planning to take off behind G-OOGA confirmed that it appeared to have been held against the brakes for 20 to 30 seconds before the takeoff run began.

The pilot then applied full power, and confirmed that both engines were turning at 2,700 rpm with correct temperatures and pressures. As the aircraft gained speed, the pilot noted that the ASI was live. As it approached 70 knots, the aircraft started slithering to the left ,and the pilot applied right rudder to maintain runway heading.

When approaching 75 knots, the main wheels hit a hidden ridge, and the aircraft became airborne without elevator input. The stall warner sounded intermittently, and the aircraft yawed to the left, despite the pilot using full right rudder. At about 15 to 20 feet agl, the pilot, unable to control the yaw, decided to lower the nose and throttled back fully. The aircraft then struck the ground, pivoted to the right and the nose pitched down.

The pilot closed down both engines, and switched off the fuel before he and his passenger vacated through the exit door. The aircraft came to a halt well to the south of the runway, but facing north"

Damage sustained to airframe: Nose cone, nose leg, propellers and wingtip damaged. All of which was presumably enough to render the airframe as "damaged beyond economic repair", as the registration G-OOGA was cancelled by the CAA on 11/9/2012 (nine months later...) as "Permanently withdrawn from use"

Sources:

1. AAIB: https://assets.publishing.service.gov.uk/media/5422f73e40f0b613460006af/Gulfstream_American_GA-7_Cougar_G-OOGA_08-12.pdf
2. CAA: https://siteapps.caa.co.uk/g-info/
3. http://www.bbc.co.uk/news/uk-england-essex-16444890
4. http://www.heart.co.uk/essex/news/local/dunmow-plane-crash-lands-airfield/
5. http://www.thekathrynreport.com/2012/01/braintree-grumman-american-ga-7-cougar.html
6. https://abpic.co.uk/pictures/view/1297408/
7. Ex-SE-IEA (Swedish registry): Swedish history 1979-86 at http://forum.flyghistoria.org/viewtopic.php?f=20&t=14673

Accident investigation:
cover
  
Investigating agency: AAIB
Status: Investigation completed
Duration:
Download report: Final report


Revision history:

Date/timeContributorUpdates
06-Jan-2012 09:18 harro Added
06-Jan-2012 16:38 RobertMB Updated [Time, Registration, Cn, Operator, Location, Source, Narrative]
06-Jan-2012 16:39 RobertMB Updated [Total occupants]
10-Sep-2012 16:18 Dr. John Smith Updated [Location, Source, Embed code, Narrative]
19-May-2013 19:35 Dr. John Smith Updated [Source, Embed code, Narrative]
30-Jun-2013 19:19 harro Updated [Aircraft type]
11-Sep-2015 03:35 Dr. John Smith Updated [Departure airport, Source, Embed code, Damage, Narrative]
17-Dec-2016 23:24 Dr. John Smith Updated [Location, Departure airport, Source, Narrative]

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