Accident Bell 206B Jet Ranger G-BAYA,
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ASN Wikibase Occurrence # 180563
 
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Date:Tuesday 11 January 1977
Time:15:15 GM
Type:Silhouette image of generic B06 model; specific model in this crash may look slightly different    
Bell 206B Jet Ranger
Owner/operator:PLM Helicopters Ltd
Registration: G-BAYA
MSN: 1035
Fatalities:Fatalities: 0 / Occupants: 2
Aircraft damage: Destroyed
Category:Accident
Location:Loch Avon, Cairngorms, Grampian Mountains, Scotland -   United Kingdom
Phase: En route
Nature:SU
Departure airport:Coylumbridge Hotel, Aviemore
Destination airport:Coylumbridge Hotel, Aviemore
Investigating agency: AIB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
Written off (damaged beyond repair) 11/1/1977 when crashed into Loch Avon, Cairngorms, Grampian Mountains, Scotland. According to the following extract from the official AAIB report into the accident:

"The helicopter was on a daytime photographic flight in visual meteorological conditions (VMC) over the frozen surface of Loch Avon carrying a pilot and cameraman. It was in a slow acceleration at about 25 feet above the loch surface and at about 40 knots indicated airspeed (IAS) when suddenly a high rate of right yaw developed. After rotating through one and a half turns the helicopter crashed on to the loch. Both occupants survived and were rescued at 01:15 hrs on 12th January by a Royal Air Force (RAF) helicopter after and air and ground search.

The report concludes that although the main rotor had severed the helicopter’s tail rotor drive shaft at some time in the accident sequence it could not be shown that this was the cause of the loss of yaw control. The cause of the accident could not be determined".

Damage to airframe: confirmed in the AAIB report as "the aircraft was damaged beyond repair". Presumably, the led to the registration G-BAYA being cancelled by the CAA on 6/5/1977 as "P.W.F.U." ("Permanently Withdrawn From Use")

Accident investigation:
cover
  
Investigating agency: AIB
Report number: 
Status: Investigation completed
Duration:
Download report: Final report

Sources:

1. AAIB: https://assets.digital.cabinet-office.gov.uk/media/5422f823ed915d137400069f/1-1978_G-BAYA.pdf
2. CAA: https://www.caa.co.uk/docs/HistoricalMaterial/G-BAYA-2.pdf
3. https://www.flightglobal.com/pdfarchive/view/1976/1976%20-%200163.html
4. https://www.pprune.org/rotorheads/419023-rotary-nostalgia-thread-45.html#post6771487

Revision history:

Date/timeContributorUpdates
21-Oct-2015 19:22 Dr.John Smith Added
21-Oct-2015 19:33 Dr.John Smith Updated [Source]

Corrections or additions? ... Edit this accident description

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