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ASN Wikibase Occurrence # 140282
Last updated: 17 February 2018
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Date:06-FEB-2011
Time:13:17hrs
Type:Silhouette image of generic G150 model; specific model in this crash may look slightly different
Gulfstream G150
Owner/operator:Triple Alpha Luftfahrt
Registration: D-CKDM
C/n / msn: 235
Fatalities:Fatalities: 0 / Occupants: 5
Other fatalities:0
Airplane damage: Minor
Location:RAF Northolt, West End Road, Northolt, South Ruislip, Middlesex -   United Kingdom
Phase: Take off
Nature:Executive
Departure airport:RAF Northolt, South Ruislip, Middlesex (NHT/EGWU)
Destination airport:Moskva-Vnukovo Airport (VKO/UUWW)
Investigating agency: AAIB
Narrative:
A takeoff was attempted from runway 25 at Northolt Airport, London. When the commander pulled the control column back to rotate at rotation speed, VR, and subsequently fully back, the aircraft only pitched up to 1 degree. The takeoff was rejected just before V2, full braking was applied and the aircraft came to a stop at the end of the paved surface. A fire broke out around the left main wheels which was suppressed quickly by the Rescue and Fire Fighting Service (RFFS).

The flight data showed that the aircraft’s acceleration during the takeoff roll was below normal but the investigation did not reveal any technical fault with the aircraft. The most likely explanation for the lack of acceleration and rotation was that the brakes were being applied during the takeoff, probably as a result of inadvertent braking application by the commander, which caused a reduction in acceleration and a nose-down pitching moment sufficient to prevent the aircraft from rotating. However, it could not be ruled out that another factor had caused partial brake operation.

Nature of Damage to airframe: Per the AAIB report "Fire damage to left brakes and tyres, left and right brakes seized".

Sources:

1. AAIB: https://assets.publishing.service.gov.uk/media/5423046f40f0b61342000b77/Gulfstream_G150__D-CKDM_12-11.pdf
2. http://www.pprune.org/biz-jets-ag-flying-ga-etc/442115-incident-northolt.html
3. http://www.jetphotos.net/photo/7946005

Safety recommendations:

Safety recommendation 2011-085 issued by AAIB to Gulfstream

Gulfstream Aerospace G-150 (Daimler Chrysler Aviation)

Revision history:

Date/timeContributorUpdates
08-Dec-2011 12:57 harro Added
26-Nov-2016 13:00 Dr. John Smith Updated [Source, Embed code, Damage, Narrative]
26-Nov-2016 13:05 Dr. John Smith Updated [Time, Location, Departure airport, Narrative]

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