ASN Wikibase Occurrence # 377482
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| Date: | Sunday 31 March 1985 |
| Time: | 13:32 LT |
| Type: |  Bell 206A |
| Owner/operator: | Blue Bird Express Helicopters |
| Registration: | N1434W |
| MSN: | 366 |
| Total airframe hrs: | 4955 hours |
| Engine model: | Allison 250-C18 |
| Fatalities: | Fatalities: 0 / Occupants: 5 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | San Diego, CA -
 United States of America
|
| Phase: | En route |
| Nature: | Unknown |
| Departure airport: | San Diego, CA (KMYF) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
DURING FLT, THE ENG LOST POWER & THE PLT BEGAN AN AUTOROTATIVE LANDING IN A PARKING LOT. DURING THE APCH, HE MANEUVERED TO AVOID A 100 FT CRANE. AS THE HELICOPTER WAS APPROACHING THE INTENDED TOUCHDOWN POINT, A VEHICLE WAS DRIVEN INTO THE FLT PATH OF THE ACFT. TO AVOID THE VEHICLE, THE PLT INCREASED THE COLLECTIVE TO EXTEND THE GLIDE PATH. SUBSEQUENTLY, THE HELICOPTER LOST ROTOR RPM BEFORE TOUCHDOWN & LANDED HARD. AN EXAM REVEALED THAT AN IMPROPER PART (AN OIL LINE) HAD BEEN SUBSTITUTED FOR THE 'COMPRESSOR TO FUEL CONTROL PRESSURE SENSING' LINE (PN 6848471). THE LINE HAD FRACTURED AT A B-NUT WHICH RESULTED IN A LOSS OF POWER.
Probable Cause:
Accident investigation:
 |
|
Sources:
NTSB LAX85LA194
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 30-Mar-2024 12:10 | ASN Update Bot | Added |
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