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Last updated: 21 October 2021
Statuts:Enquête Officielle
Date:mardi 19 janvier 2021
Heure:14:28 UTC
Type/Sous-type:Silhouette image of generic RJ85 model; specific model in this crash may look slightly different
Avro RJ85
Compagnie:Jota Aviation
Immatriculation: G-JOTR
Numéro de série: E2294
Année de Fabrication: 1996-09-19 (24 years 4 months)
Moteurs: 4 Lycoming LF507-1F
Equipage:victimes: 0 / à bord: 5
Passagers:victimes: 0 / à bord: 0
Total:victimes: 0 / à bord: 5
Dégats de l'appareil: Substantiels
Conséquences: Repaired
Lieu de l'accident:London-Biggin Hill Airport (BQH) (   Royaume Uni)
Phase de vol: Tracté (PBT)
Nature:Test
Aéroport de départ:London-Biggin Hill Airport (BQH/EGKB), Royaume Uni
Aéroport de destination:London Southend Airport (SEN/EGMC), Royaume Uni
Détails:
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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Plan
Ce plan montre l'aéroport de départ ainsi que la supposée destination du vol. La ligne fixe reliant les deux aéroports n'est pas le plan de vol exact.
La distance entre London-Biggin Hill Airport et London Southend Airport est de 53 km (33 miles).

Les informations ci-dessus ne représentent pas l'opinion de la 'Flight Safety Foundation' ou de 'Aviation Safety Network' sur les causes de l'accident. Ces informations prélimimaires sont basées sur les faits tel qu'ils sont connus à ce jour.
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