ASN Wikibase Occurrence # 379569
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| Date: | Thursday 10 May 1984 |
| Time: | 11:00 LT |
| Type: | Hiller UH-12E Soloy |
| Owner/operator: | San Joaquin Helicopters |
| Registration: | N90461 |
| MSN: | 2514 |
| Total airframe hrs: | 6373 hours |
| Engine model: | Allison 250-C20B |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Delano, CA -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Agricultural |
| Departure airport: | Delano, CA (KDLO) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE HELICOPTER EXPERIENCED AN INFLT FAILURE OF AN ENG MOUNT, PN 63181-5, WHICH BENT THE COLLECTIVE CONTROL ROD & FORCED THE THE COLLECTIVE PITCH INTO THE UP POSITION. THE HELICOPTER THEN SETTLED INTO THE GRAPES IT WAS SPRAYING & MADE A HARD LANDING. AN INVESTIGATION REVEALED THAT THE GUSSET WELD BEADS, JUST BELOW THE OUTER GIMBAL FORWARD ATTACH POINT, HAD FAILED IN FATIGUE.
Probable Cause:
Accident investigation:
 |
|
Sources:
NTSB LAX84LA294
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 01-Apr-2024 07:12 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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