ASN Wikibase Occurrence # 376462
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| Date: | Saturday 17 August 1985 |
| Time: | 16:40 LT |
| Type: |  Bell 47G-2A |
| Owner/operator: | Metropolitan Helicopter, Inc. |
| Registration: | N3951U |
| MSN: | 1376 |
| Total airframe hrs: | 12302 hours |
| Engine model: | LYCOMING V0-435-A1B |
| Fatalities: | Fatalities: 0 / Occupants: 3 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Sedalia, MO -
 United States of America
|
| Phase: | Take off |
| Nature: | Unknown |
| Departure airport: | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PLT WAS TAKING 2 PASSENGERS ON A HELICOPTER RIDE AT A FAIR. IMMEDIATELY AFTER LIFT-OFF, HE ENCOUNTERED A SITUATION WHERE HE WAS UNABLE TO MAINTAIN DIRECTIONAL CONTROL, SO HE REDUCED POWER & LANDED. BEFORE COMING TO REST, THE TAIL OF THE HELICOPTER STRUCK A VAN. AN INVESTIGATION REVEALED THAT THE INNER BEARING (PN 47-620-605-001) OF THE TAIL ROTOR DRIVE HAD FAILED, THEN THE DRIVE SHAFT FAILED. AD 81-04-03, AMENDMENT 39-4029 BECAME EFFECTIVE ON 2/2/81 TO REPLACE THE BEARING IN THE NEXT 600 HRS OF SERVICE. HOWEVER, THE HELICOPTER HAD ACCUMULATED LESS THAN 600 HRS SINCE THAT DATE.
Probable Cause:
Accident investigation:
 |
|
Sources:
NTSB MKC85FA189
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 29-Mar-2024 16:22 | ASN Update Bot | Added |
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