ASN Wikibase Occurrence # 189215
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| Date: | Saturday 28 May 2005 |
| Time: | 11:17 LT |
| Type: |  Schweizer 269C (300C) |
| Owner/operator: | Sterling Helicopters Ltd |
| Registration: | G-HFLA |
| MSN: | S.1428 |
| Year of manufacture: | 1989 |
| Engine model: | Lycoming HIO-360-D1A |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Norwich Airport, Norfolk -
 United Kingdom
|
| Phase: | Approach |
| Nature: | Training |
| Departure airport: | Norwich Airport (NWI/EGSH) |
| Norwich Airport (NWI/EGSH) | |
| Investigating agency: | AAIB |
| Confidence Rating: |  Accident investigation report completed and information captured |
Hard landing, due to wind shear on approach. Of the 2 Persons On Board, 1 (the student pilot) sustained a minor injury; the other (the instructor) was uninjured.
After a short training flight in the local area, the helicopter returned to Norwich Airport. Weather conditions were clear; wind conditions were gusty, with a reported surface wind from 230 degrees at 23 knots. The instructor visually crosschecked the wind against the windsock, and decided to demonstrate an engine off landing on the grass Runway 22.
Auto-rotation was commenced at 1,300 feet agl, and at 500 feet agl, when certain that the landing area would be reached, the instructor fully closed the throttle. At around 200 feet agl he checked the airspeed was at his target of 55 knots, and the rotor was at 490 RPM.
At a low height, the instructor commenced a flare, not too steep because of the wind velocity, then levelled the aircraft, and cushioned the touchdown with the collective. As he did so, the aircraft hit the ground hard, and came to a stop some 10 to 15 metres further ahead, having sustained substantial damage.
Both occupants had been wearing four point harnesses, and were able to vacate the aircraft unassisted, the student having sustained minor injuries. The instructor, in his report, was uncertain as to the exact cause of the accident, but did suggest that wind shear, in the strong and gusty wind conditions, was a likely factor. The ground slide following the hard landing was relatively short which could indicate a low forward speed at touchdown.
Accident investigation:
 |
|
Sources:
1. AAIB: https://assets.publishing.service.gov.uk/media/542302ac40f0b61342000aa1/Schweizer_269C__G-HFLA_8-05.pdf
2. CAA: https://siteapps.caa.co.uk/g-info/rk=HFLA
3. http://www.griffin-helicopters.co.uk/accidentdetails.aspx?accidentkey=3335
4. https://www.helis.com/database/cn/30811/
5. G-HFLA at Norwich on 19-03-2005: https://www.planepictures.net/v3/show_en.php?id=414545
6. http://www.airliners.net/photo/Sterling-Helicopters/Schweizer-300C-(269C)/798230
7. http://www.helicopterlife.com/wp-content/uploads/2016/03/HL-Winter-2005-_Layout-1Archive.pdf
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 11-Aug-2016 18:12 | Dr.John Smith | Added |
| 25-Sep-2016 16:16 | Aerossurance | Updated [Time, Location, Narrative] |
Corrections or additions? ... Edit this accident description
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