ASN Wikibase Occurrence # 35298
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| Date: | Monday 5 October 1998 |
| Time: | 15:05 LT |
| Type: |  Robinson R22 |
| Owner/operator: | Sacramento Executive Helicopte |
| Registration: | N801EH |
| MSN: | 2202 |
| Year of manufacture: | 1992 |
| Total airframe hrs: | 6672 hours |
| Engine model: | Lycoming O-320-B2C |
| Fatalities: | Fatalities: 2 / Occupants: 2 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | 4794 Spruce Grove Road, SE of Lowerlake, California -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Training |
| Departure airport: | Lakeport, CA (1O2) |
| Scaramento, CA (SAC | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
After completing a refueling stop at a nearby airport, the helicopter was next seen flying on a southeasterly heading at low altitude. Gusting winds at the accident site were opposite the direction of flight. The aircraft began a deceleration, the tailboom struck the ground and was severed by the main rotor blades as the aircraft pitched forward. As the nose pitched down, the main rotor blades struck the ground in front of the aircraft and the rotor head separated from the mast. The aircraft then rolled onto its right side with the engine running. A few seconds after impact, the aircraft burst into flames. The throttle was at idle and carburetor heat was applied. The stinger was broken from the empennage. Neither occupant wore fire-retardant apparel. The area of the accident site is commonly used for simulated emergency landings. Insufficient evidence existed to determine which pilot was manipulating the flight controls.
Probable Cause: The flight instructor's failure to adequately supervise the conduct of the flight and the failure of the flying pilot to ensure that adequate ground clearance existed between the stinger/tail rotor and the ground during a deceleration while the aircraft was maneuvering for a practice forced landing. The identity of the flying pilot could not be determined. The instructor's decision to perform the maneuver with a gusty, surface tailwind was a factor in this accident.
Accident investigation:
 |
|
Sources:
NTSB LAX99FA006
FAA register: 2. FAA: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=801EH
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 23-Sep-2016 17:17 | Dr.John Smith | Updated [Time, Operator, Location, Departure airport, Destination airport, Source, Narrative] |
| 21-Dec-2016 19:22 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 04-Apr-2024 16:31 | ASN Update Bot | Updated [Time, Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative, Category, Accident report] |
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