ASN Wikibase Occurrence # 380456
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| Date: | Monday 21 November 1983 |
| Time: | 17:25 LT |
| Type: |  Aerospatiale AS350D |
| Owner/operator: | Rocky Mountain Helicopters Inc |
| Registration: | N5778X |
| MSN: | 1409 |
| Total airframe hrs: | 5601 hours |
| Engine model: | Lycoming LTV 101-600A2 |
| Fatalities: | Fatalities: 0 / Occupants: 3 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Sweet Springs, MO -
 United States of America
|
| Phase: | Approach |
| Nature: | Ferry/positioning |
| Departure airport: | Columbia, MO |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE HELICOPTER LANDED HARD DURING A FORCED LANDING AFTER A POWER LOSS DURING A FERRY FLT. THE PLT STATED THAT AT ABOUT 200 FT TURNING ON A BASE LEG FOR LANDING HE HEARD A LOUD BANG AND THE ENGINE FAILED. A WITNESS SAID HE HEARD THE ENGINE DIE AND SAW THE HELICOPTER DESCEND. THE PLT SAID HE PULLED OFF ROTOR RPM TO EXTEND HIS GLIDE AND IMPACTED THE GROUND ON A SIDEWALK WHILE IN A RIGHT TURN. THE 3 OCCUPANTS WERE SERIOUSLY INJURED. AN EXAMINATION OF THE ENGINE BY THE OPERATOR DISCLOSED AN INTERMITTENT ELECTRICAL OPEN OF THE T-4 WIRING HARNESS SPLICE; AEROSPATIALE P/N 320570 EXTENSION LEAD AND P/N 327637 REDUCTION. MOVEMENT OF THE WIRE RESULTED IN A REDUCED INDICATION OF THE T-4 TEMPERATURE GAUGE OF APPROXIMATELY 75 DEGREES AT GROUND OPERATING TEMPERATURES.
Probable Cause:
Accident investigation:
 |
|
Sources:
NTSB MKC84FA029
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 01-Apr-2024 16:51 | ASN Update Bot | Added |
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