ASN Wikibase Occurrence # 363287
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| Date: | Saturday 18 July 1992 |
| Time: | 10:45 LT |
| Type: |  Schweizer 269C |
| Owner/operator: | Pacific Shore Aviation, Inc. |
| Registration: | N280CA |
| MSN: | S1497 |
| Year of manufacture: | 1990 |
| Total airframe hrs: | 1210 hours |
| Engine model: | LYCOMING HIO-360-D1A |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Simi Valley, CA -
 United States of America
|
| Phase: | Approach |
| Nature: | Training |
| Departure airport: | Van Nuys, CA (KVNY) |
| (KVNY) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE HELICOPTER INSTRUCTOR PILOT AND DUAL STUDENT WERE PRACTICING AUTOROTATIONS THAT WERE TERMINATED WITH POWER RECOVERIES AT A 3-FOOT HOVER. DURING THE SIXTH AUTOROTATIVE APPROACH THE ENGINE FAILED AND THE HELICOPTER LANDED HARD. THE HARD LANDING SUBSTANTIALLY DAMAGED THE HELICOPTER. AN ENGINE OPERATIONAL TEST AFTER THE ACCIDENT DISCLOSED THAT THE ENGINE WOULD NOT OPERATE AT IDLE RPM. THE CFI HAD LOGGED 154 TOTAL HELICOPTER FLIGHT HOURS OF WHICH 9 HOURS WERE IN THE ACCIDENT HELICOPTER MAKE AND MODEL. HE HAD ALSO GIVEN 20 HOURS OF HELICOPTER FLIGHT INSTRUCTION.
Probable Cause: THE COMPANY'S MAINTENACE PERSONNEL IMPROPER ADJUSTMENT OF THE AIRCRAFT'S IDLE RPM AND THE FAILURE OF THE INSTRUCTOR PILOT TO MAINTAIN ADEQUATE ROTOR RPM AFTER THE ENGINE FAILED. THE INSTRUCTOR PILOT'S LACK OF TOTAL EXPERIENCE IN TYPE OF OPERATION IS A FACTOR IN THE ACCIDENT.
Accident investigation:
 |
|
Sources:
NTSB LAX92LA303
History of this aircraft
Other occurrences involving this aircraft
| 3 July 2013 | N888ZW | Point Of View Helicopter Services Llc | 0 | near Burnham, Maine | |
sub |
| VFR flight in IMC | ||||||
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 18-Mar-2024 15:33 | ASN Update Bot | Added |
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