ASN Wikibase Occurrence # 367835
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Date: | Monday 16 October 1989 |
Time: | 04:30 LT |
Type: | Hiller 12E |
Owner/operator: | Private |
Registration: | N4026G |
MSN: | 5049 |
Total airframe hrs: | 3219 hours |
Engine model: | LYCOMING VO-540-C2A |
Fatalities: | Fatalities: 0 / Occupants: 2 |
Aircraft damage: | Substantial |
Category: | Accident |
Location: | Huron, CA -
United States of America
|
Phase: | En route |
Nature: | Agricultural |
Departure airport: | |
Destination airport: | |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:THE PILOT COMPLETED AN AERIAL SPRAYING FLIGHT, LANDED AND PICKED UP HIS FLAGMAN TO TRANSPORT HIM TO ANOTHER FIELD. WHILE ENROUTE TO THE FIELD AT ABOUT 50 FT AGL THE HELICOPTER SUSTAINED A TOTAL ENGINE FAILURE. DURING THE ENSUING AUTOROTATION THE PILOT MISJUDGED THE FLARE ALTITUDE AND SUSTAINED A HARD LANDING. THE INVESTIGATION REVEALED THAT THE NO. 3 CONNECTING ROD FAILED DUE TO OIL STARVATION.
Probable Cause: THE PILOT FAILED TO PROPERLY PREFLIGHT THE AIRPLANE BEFORE DEPARTING ON THE ACCIDENT FLIGHT AND MISJUDGED THE FLARE DURING THE ENSUING AUTOROTATION. FACTORS RELATING TO THIS ACCIDENT WERE OIL STARVATION AND TOTAL FAILURE OF THE CONNECTING ROD.
Accident investigation:
|
| |
Investigating agency: | NTSB |
Report number: | LAX90DVA01 |
Status: | Investigation completed |
Duration: | 2 years and 9 months |
Download report: | Final report |
|
Sources:
NTSB LAX90DVA01
Location
Revision history:
Date/time | Contributor | Updates |
22-Mar-2024 19:19 |
ASN Update Bot |
Added |
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