ASN Wikibase Occurrence # 281069
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| Date: | Tuesday 26 May 1998 |
| Time: | 09:25 |
| Type: |  Robinson R-22 Beta |
| Owner/operator: | Bristow Helicopters Ltd |
| Registration: | G-BOAM |
| MSN: | 0717 |
| Year of manufacture: | 1987 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Location: | Redhill Aerodrome, South Nutfield, Redhill, Surrey -
 United Kingdom
|
| Phase: | Landing |
| Nature: | Training |
| Departure airport: | Redhill Aerodrome, Redhill, Surrey (EGKR) |
| Redhill Aerodrome, Redhill, Surrey (EGKR) |
Robinson R-22 Beta G-BOAM: Substantially damaged 26 May 1998 at Redhill Aerodrome, South Nutfield, Redhill, Surrey
Whilst a student pilot was, on the morning of 26 May 1998, about to make a simulated autorotational landing of Robinson R.22 G-BOAM at Redhill Airfield, a loud bang was heard accompanied by a rapid port-starboard yaw. The instructor took control and made an actual autorotational landing in the Robinson. On the ground, no sign of a problem could be seen and, after engineering intervention, the Robinson was cleared to fly a circuit and return to the Bristow hangar. The nature of the problem was not found until another engineering inspection was undertaken, which revealed a failure of the sprag clutch assembly.
It was this revelation that caused the AAIB to revisit its investigation into the fatal crash of Robinson R.22 G-BUIW, a little under three months earlier, which revealed a similar failure of the sprag clutch assembly and, in due course, identified a series of accidents involving Robinson R.22s where the sprag clutch assembly had failed, which ultimately was traced to a batch of defective sprag clutch assemblies (see link #2)
G-BOAM was first UK registered on 10 December 1987, and was with its third owner (Bristow Helicopters) when the above accident took place. The Robinson R-22 Beta was repaired, and went on to service with a further two owners, before being sold to Spain as EC-KEI on 17 February 2007
Sources:
1. AAIB Final Report: https://assets.publishing.service.gov.uk/media/5422f16bed915d1374000377/dft_avsafety_pdf_502253.pdf
2. AAIB Addenda: https://assets.publishing.service.gov.uk/media/542302c5ed915d1371000be3/Robinson_R22_Beta__G-BUIW_-_Addendum__8-99.pdf
3. http://www.rotorspot.nl/product/r22.php
4. https://sussexhistoryforum.co.uk/index.php?topic=18054.0
5. https://www.accidents.app/summaries/accident/20001211X10046
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 03-Aug-2022 19:45 | Dr. John Smith | Added |
| 03-Aug-2022 19:49 | Dr. John Smith | Updated [Narrative] |
Corrections or additions? ... Edit this accident description
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