ASN Wikibase Occurrence # 43415
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| Date: | Friday 17 February 1984 |
| Time: | 09:04 |
| Type: |  Bell 47GL |
| Owner/operator: | Billy Don Walker |
| Registration: | N12KH |
| MSN: | CC1-73-1 |
| Total airframe hrs: | 1084 hours |
| Engine model: | LYCOMING VO-435-A1F |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Cullman, AL -
 United States of America
|
| Phase: | Landing |
| Nature: | Unknown |
| Departure airport: | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PLT HAD JUST COMPLETED AN ENG OVERHAUL & WAS TEST FLYING THE HELICOPTER. WHILE MANEUVERING AT APRX 100 FT AGL, THE ENG LOST POWER & THE PLT INITIATED AN AUTOROTATION. DURING THE LANDING, THE HELICOPTER IMPACTED HARD ON RISING TERRAIN, ROLLED ONTO ITS SIDE & BURNED. AN INVESTIGATION REVEALED THAT THE ENG HAD SEIZED. CONTAMINATION HAD ENTERED THE OIL SYSTEM DURING THE OVERHAUL WHICH HAD RESULTED IN THE SEIZURE. THE PLT WAS NOT A CERTIFIED POWERPLANT MECHANIC. CAUSE:
Sources:
NTSB: http://www.ntsb.gov/ntsb/brief.asp?ev_id=20001214X38696
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 21-Dec-2016 19:24 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
Corrections or additions? ... Edit this accident description
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