ASN Wikibase Occurrence # 26548
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| Date: | Saturday 1 November 1997 |
| Time: | c. 11:43 |
| Type: |  Pilatus PC-6/B1-H2 Turbo Porter |
| Owner/operator: | CERP de Picardie |
| Registration: | F-GHXS |
| MSN: | 620 |
| Year of manufacture: | 1966 |
| Fatalities: | Fatalities: 9 / Occupants: 9 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Chambry, Aisne -
 France
|
| Phase: | Initial climb |
| Nature: | Parachuting |
| Departure airport: | Laon-Chambry Airfield (LFAF) |
| Laon-Chambry Airfield (LFAF) | |
| Investigating agency: | BEA |
| Confidence Rating: |  Accident investigation report completed and information captured |
The airplane took off from the Laon-Chambry Airfield to drop eight skydivers at 3000 metres. Shortly after take-off, witnesses saw the aircraft level at about 1000 feet east of the field. It then appeared to turn right with an increasingly nose-down attitude and struck the ground almost vertically 1.5 km from the field.
Causes:
- The accident resulted from a loss of pitch control of the aircraft as a result of extreme elevator control forces caused by the elevator stabilizer being set to the full nose-down position.
- The pilot's actions on the flight controls led to this aerodynamic jamming of the elevator stabilizer control, likely interpreted as a mechanical jamming of the system. This phenomenon, specific to aircraft equipped with such an elevator stabilizer system and related to the magnitude of the forces involved, was apparently not known to the pilot.
- The pilot's training on PC6 B2-H4 and his limited experience on PC6 B2-H2, combined with the ergonomics of the manual flap and horizontal stabilizer system, were contributing factors.
Accident investigation:
 |
|
Sources:
http://www.bea.aero/docspa/1997/f-xs971101/pdf/f-xs971101.pdf
http://www.pc-6.com/history/620.htm
Images:
Photo was taken at Laon-Chambry - LFAF, April 8th 1994.
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 27-Sep-2008 01:00 | ASN archive | Added |
| 17-Nov-2010 10:51 | TB | Updated [Aircraft type, Cn, Operator, Other fatalities, Location, Phase, Nature, Departure airport, Destination airport, Source] |
| 17-Nov-2010 10:58 | TB | Updated [Time, Source, Narrative] |
| 13-Mar-2020 12:36 | Anon. | Updated [Photo] |
| 13-Mar-2020 12:39 | harro | Updated [Departure airport, Destination airport, Narrative, Accident report, ] |
Corrections or additions? ... Edit this accident description
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