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Last updated: 17 October 2021
Status:Definitief
Datum:dinsdag 19 januari 2021
Tijd:14:28 UTC
Type:Silhouette image of generic RJ85 model; specific model in this crash may look slightly different
Avro RJ85
Luchtvaartmaatschappij:Jota Aviation
Registratie: G-JOTR
Constructienummer: E2294
Bouwjaar: 1996-09-19 (24 years 4 months)
Motoren: 4 Lycoming LF507-1F
Bemanning:slachtoffers: 0 / inzittenden: 5
Passagiers:slachtoffers: 0 / inzittenden: 0
Totaal:slachtoffers: 0 / inzittenden: 5
Schade: Groot
Gevolgen: Repaired
Plaats:London-Biggin Hill Airport (BQH) (   Verenigd Koninkrijk)
Fase: Pushback (PBT)
Soort vlucht:Test
Vliegveld van vertrek:London-Biggin Hill Airport (BQH/EGKB), Verenigd Koninkrijk
Vliegveld van aankomst:London Southend Airport (SEN/EGMC), Verenigd Koninkrijk
Beschrijving:
The crew boarded G-JOTR while it was parked on a taxiway at London-Biggin Hill Airport, but airfield restrictions required it to be towed to a designated area on the apron for engine start. The towing route followed the edge of the apron, which was damp and downhill, and involved a 90° left turn to line up for start. A combination of unfamiliarity with a relatively new operating base, towing in reverse and difficulty interpreting "indistinct" taxiway markings meant the tug driver entered the left turn later than intended. The late entry made the turn excessively tight, and the tug lost traction on the damp surface and jack-knifed. The resulting combination of a sharp towing angle and the aircraft’s downhill momentum caused the towbar shear pin to break. The commander applied the brakes immediately on hearing "the sound of snapping metal" but was unable to prevent the aircraft rolling forward into the tug.

The operator’s internal investigation report made several safety recommendations, including a review of towing procedures, enhanced driver training, the use of radios by towing teams and improvements to taxiway markings. The company also reviewed its apron risk assessment and towing was added to their audit plan.

On 10 February 2021 the aircraft was ferried to Cranfield for repairs. On 1 July 2021 the aircraft was flown back to London-Biggin Hill Airport.

Accident investigation:
cover
Investigating agency: AAIB
Status: Investigation completed
Duration: 170 days (6 months)
Accident number: AAIB-27100
Download report: Final report


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Kaart
Deze kaart geeft het vliegveld van vetrek weer en de geplande bestemming van de vlucht. De lijn tussen de vliegvelden geeft niet de exacte vliegroute weer.
De afstand tussen London-Biggin Hill Airport en London Southend Airport bedraagt 53 km (33 miles).

This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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