ASN Wikibase Occurrence # 364089
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| Date: | Saturday 11 January 1992 |
| Time: | 17:15 LT |
| Type: |  Robinson R22B |
| Owner/operator: | Watson Helicopters, Inc. |
| Registration: | N2634N |
| MSN: | 0795 |
| Year of manufacture: | 1988 |
| Total airframe hrs: | 3680 hours |
| Engine model: | LYCOMING O-320-B2C |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Lake Hughes, CA -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Private |
| Departure airport: | Lancaster, CA (KWJF) |
| Pacoima, CA (KWHP) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE 77 HOUR NEWLY CERTIFICATED PRIVATE PILOT SAID HE PERFORMED A RIGHT 180 DEGREE TURN AT ABOUT 500 FEET AGL. DURING THE TURN THE LOW ROTOR RPM WARNING HORN AND LIGHT CAME ON. THE PILOT ATTEMPTED TO REGAIN ROTOR RPM BY MANIPULATING THE THROTTLE AND COLLECTIVE CONTROLS, BUT WAS UNSUCCESSFUL. THE PILOT ENTERED AN AUTOROTATION, LANDED HARD AND THE MAIN ROTOR SEVERED THE TAIL BOOM. THE PILOT REPORTED THAT THERE WAS NO MECHANICAL MALFUNCTION OR FAILURE OF THE HELICOPTER.
Probable Cause: THE FAILURE OF THE PILOT TO MAINTAIN ROTOR RPM WHILE MANEUVERING AND HIS MISJUDGEMENT OF THE LANDING FLARE. A FACTOR IN THE ACCIDENT WAS THE PILOT'S LACK OF TOTAL EXPERIENCE.
Accident investigation:
 |
|
Sources:
NTSB LAX92LA087
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 19-Mar-2024 09:18 | ASN Update Bot | Added |
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