ASN Wikibase Occurrence # 363687
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| Date: | Monday 4 May 1992 |
| Time: | 14:25 LT |
| Type: |  Robinson R-22B |
| Owner/operator: | Complete Aviation Services |
| Registration: | N4081P |
| MSN: | 1786 |
| Year of manufacture: | 1991 |
| Total airframe hrs: | 517 hours |
| Engine model: | LYCOMING O-320-B2C |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Sun Valley, CA -
 United States of America
|
| Phase: | En route |
| Nature: | Training |
| Departure airport: | Burbank, CA (KBUR) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE INSTRUCTOR PILOT SAID THAT HE HAD FLOWN THE HELICOPTER ON THE FLIGHT PRIOR TO THE ACCIDENT SESSION FOR ABOUT 1.2 HOURS. THE HELICOPTER BEGAN THAT FLIGHT WITH FULL FUEL TANKS AND IT WAS NOT REFUELED AFTER LANDING. THE INSTRUCTOR STATED THAT HE PERFORMED THE PREFLIGHT INSPECTION WITH THE STUDENT ON THE ACCIDENT FLIGHT AND VISUALLY LOOKED INSIDE THE FUEL TANK AND DETERMINED THAT ABOUT ONE HOUR AND FORTY MINUTES OF FUEL WAS ON BOARD. HE SAID THAT HE DID NOT USE A MEASURING DEVICE TO QUANTIFY THE AMOUNT OF FUEL IN THE TANK, BUT RATHER VISUALLY ESTIMATED THAT THE AMOUNT HE OBSERVED MATCHED THE FUEL GAGE. AFTER DEPARTURE FROM BURBANK THE FLIGHT PROCEEDED TO THE LOCAL PRACTICE AREA WHERE THE ONE HOUR DUAL STUDENT WAS GIVEN A LESSON ON PRIMARY FLIGHT MANEUVERS. THE FLIGHT WAS ON APPROACH TO THE BURBANK AIRPORT AFTER ONE HOUR AND TWELVE MINUTES WHEN THE LOW FUEL LEVEL WARNING LIGHT ILLUMINATED. THE INSTRUCTOR NOTED THAT THE ENGINE QUIT IMMEDIATELY THEREAFTER AND HE EXECUTED AN AUTO ROTATION TO A CITY PARK. THE HELICOPTER LANDED HARD, BENDING THE TAIL BOOM. NO FUEL WAS FOUND IN THE TANK AFTER THE ACCIDENT.
Probable Cause: 1) FUEL EXHAUSTION DUE TO IMPROPER PREFLIGHT PLANNING BY THE CFI AND HIS FAILURE TO REFUEL THE AIRCRAFT PRIOR TO DEPARTURE ON THE ACCIDENT FLIGHT, AND 2) THE CFI'S MISJUDGEMENT OF THE LANDING FLARE TIMING DURING THE AUTO ROTATION.
Accident investigation:
 |
|
Sources:
NTSB LAX92LA199
History of this aircraft
Other occurrences involving this aircraft
| 23 March 1994 | N4081P | Orbic Helicopter, Inc | 0 | Simi Valley, CA | |
sub |
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 18-Mar-2024 20:01 | ASN Update Bot | Added |
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