FA20, Durham Tees Valley UK, 2012

FA20, Durham Tees Valley UK, 2012

Summary

On 9 August 2012, a serviceable Cobham Leasing Fan Jet Falcon overran the 2291 metre long runway at Durham Tees Valley after beginning rejecting take off from above V1 because of a suspected bird strike. The crew believed there was a possibility of airframe damage from a single medium sized bird sighted ahead which might have been hit by the main landing gear. It was found that the overrun distance had been increased by low friction on the stopway and noted that the regulatory exemption issued for operation without FDR and CVR was no longer appropriate.

Description

On 9 August 2012, a Fan Jet Falcon 20 being operated by Cobham Leasing Airlines departing Durham Tees Valley on an aerial work detail in normal daylight visibility overran runway 23 after initiating a high speed rejected take off after sighting a single bird ahead. The three occupants were uninjured but damage to the aircraft including ingestion of mud and stones into both engines rendered it unfit for further flight until repaired.

Investigation

An Investigation was carried out by the UK AAIB. The aircraft type is required to have an Flight Data Recorder (FDR) and Cockpit Voice Recorder (CVR) but it was found during the Investigation that the accident aircraft was one of a fleet of aircraft of this type operated by Cobham which had been exempted from this requirement by the UK CAA and neither was fitted. Although this “severely limited the ability of the Investigation to determine the exact sequence of events”, a careful analysis of radar data with cross reference to aircraft performance information enabled the Investigation to reconstruct the aircraft trajectory with a reasonable degree of confidence.

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