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ASN Wikibase Occurrence # 220748
 
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Date:09-AUG-2018
Time:13:06
Type:Silhouette image of generic CLON model; specific model in this crash may look slightly different
Rotorsport UK Cavalon
Owner/operator:Rotorsport Sales and Service Ltd
Registration: G-CKYV
MSN: RSUK/CVLN/026
Fatalities:Fatalities: 0 / Occupants: 1
Other fatalities:0
Aircraft damage: Written off (damaged beyond repair)
Category:Accident
Location:Wolverhampton Halfpenny Green Airport, Bobbington, Staffordshire -   United Kingdom
Phase: Take off
Nature:Ferry/positioning
Departure airport:Halfpenny Green Airport (EGBO)
Destination airport:
Investigating agency: AAIB
Confidence Rating:
Narrative:
Rotorsport UK Cavalon, G-CKYV was written off (damaged beyond repair) due to an uncontrolled pitch up and left roll during takeoff, Wolverhampton Halfpenny Green Airport, Bobington, Staffordshire, 9 August 2018. The official AAIB report was published on 10 January 2019, and the following is an excerpt from it:

"The pilot was delivering the aircraft to a new owner. As is usual, he engaged the pre rotator before departure to accelerate the rotor to a suitable rpm for takeoff, and he recalled seeing 200 rpm, which was normal. Shortly thereafter, he noticed that the rotor indication had dropped to zero and, concerned that the rotors might now be rotating at less than 200 rpm, decided to attempt to increase the rotor rpm by commencing a takeoff roll with less than full power.

At approximately 30 knots, the cyclic control moved violently and was wrenched from his grasp. The aircraft pitched up, yawed left and rolled left before falling upright and sliding along the runway. The pilot was assisted from the aircraft by the Fire Service and suffered only minor injuries."

Damage sustained to airframe: Per the above AAIB accident report G-CKYV was "Damaged beyond economic repair"

Sources:

1. AAIB Final Report: https://assets.publishing.service.gov.uk/media/5c1119c240f0b60bbee0d7aa/Rotorsport_UK_Cavalon_G-CKYV_01-19.pdf
2. CAA: https://siteapps.caa.co.uk/g-info/
3. https://www.airliners.net/photo/Untitled/Rotorsport-UK-Cavalon/5050011
4. https://www.jetphotos.com/photo/8997436

Accident investigation:
cover
  
Investigating agency: AAIB
Status: Investigation completed
Duration: 5 months
Download report: Final report


Images:


Revision history:

Date/timeContributorUpdates
12-Jan-2019 21:20 Dr. John Smith Added
12-Jan-2019 21:22 Dr. John Smith Updated [Embed code]
13-Jan-2019 14:02 harro Updated [Embed code, Photo, Accident report, ]

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