Accident Rans S-6ES Coyote II G-BYSN,
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ASN Wikibase Occurrence # 210725
 
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Date:Sunday 8 October 2017
Time:08:50 UTC
Type:Silhouette image of generic COY2 model; specific model in this crash may look slightly different    
Rans S-6ES Coyote II
Owner/operator:Private
Registration: G-BYSN
MSN: PFA 204-13459
Year of manufacture:1999
Engine model:Rotax 912-UL
Fatalities:Fatalities: 0 / Occupants: 2
Aircraft damage: Destroyed
Category:Accident
Location:Over Farm Microlight Strip, Over, Tewkesbury, Gloucestershire -   United Kingdom
Phase: Take off
Nature:Private
Departure airport:Over Farm Microlight Strip, Over, Tewkesbury, Gloucestershire
Destination airport:
Investigating agency: AAIB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
Written off (damaged beyond repair) 8/10/2017 when crashed at Over Farm Microlight Strip, Over, Tewkesbury, Gloucestershire. The official AAIB report into the incident was published on 10/5/2018, and the following is an extract from it...

"AAIB investigation to Rans S6-ES Coyote II, G-BYSN
Stalled shortly after takeoff, Over Farm, Tewkesbury, Gloucestershire, 8 October 2017.

The aircraft, with the pilot and a passenger aboard, was taking off from a grass strip near Over, Gloucestershire. There was a light crosswind from the left and the grass was damp. Pre-flight inspection and engine power checks were normal.

On takeoff the aircraft accelerated normally and at approximately 42 mph IAS the pilot initiated rotation. He described the rotation as ‘slightly heavier’ than usual. As the aircraft lifted off the pilot felt the aircraft lose momentum and turn markedly to the left, taking the aircraft over the ploughed field to the left of the runway. The pilot, not wanting to put the nose down over the ploughed field, applied full right rudder to turn back towards the runway but as he did this the right wing dropped and the wing tip contacted the ground. The aircraft came to rest on the left side of the runway and fire was seen at the front of the engine cowling. The pilot and passenger exited the aircraft unaided with only minor injuries. The aircraft was substantially damaged by the fire.

The pilot believes that the engine suffered a power loss during rotation which led to the left wing stall; the application of the right rudder then caused the right wing to stall. Due to the fire damage it was not possible to determine why the engine lost power.

The aircraft was approximately 4% above its maximum takeoff weight. This would have reduced the stall margin giving the pilot very little time to react to any loss of power."

Damage sustained to airframe: Per the above AAIB report "Extensive fire damage". The damage sustained was presumably enough to render the airframe as "damaged beyond economic repair", as the registration G-BYSN was cancelled by the CAA on 6/1/2018 as "destroyed"

Accident investigation:
cover
  
Investigating agency: AAIB
Report number: EW/G2017/10/02
Status: Investigation completed
Duration:
Download report: Final report

Sources:

1. AAIB: https://assets.publishing.service.gov.uk/media/5ad70e3ded915d32a3a70c97/Rans_S6-ES_Coyote_II_G-BYSN_05-18.pdf
2. CAA: https://siteapps.caa.co.uk/g-info/

Revision history:

Date/timeContributorUpdates
10-May-2018 22:34 Dr. John Smith Added

Corrections or additions? ... Edit this accident description

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