ASN Wikibase Occurrence # 366604
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| Date: | Thursday 12 July 1990 |
| Time: | 07:00 LT |
| Type: |  Bell 47D-1 |
| Owner/operator: | Taylor Aviation Inc. |
| Registration: | N8117 |
| MSN: | K732 |
| Year of manufacture: | 1967 |
| Engine model: | LYCOMING VO-435-A1D |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Fair Oaks, AR -
 United States of America
|
| Phase: | En route |
| Nature: | Agricultural |
| Departure airport: | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE COMMERCIAL PLT SAID THAT WHILE CONDUCTING AN AERIAL APPLICATION OPERATION HE FELT A VIBRATION IN THE AIRCRAFT. HE SAID THAT THERE WAS NO LEFT OR RIGHT PEDAL RESPONSE IMMEDIATELY AFTERWARD. HE INITIATED A RIGHT TURN TO RETURN TO THE AIRSTRIP AND THE HELICOPTER WOULD NOT RECOVER. IT CONTINUED TURNING RIGHT AND DESCENDED UNTIL IT COLLIDED WITH THE TERRAIN. POST-ACCIDENT INVESTIGATION REVEALED THE TAIL ROTOR CABLE HAD BECOME DISENGAGED FROM THE TAIL ROTOR PITCH DRUM AND HAD WRAPPED AROUND THE FLANGE OF THE PITCH CHANGE DRUM. THE TAIL ROTOR BLADES WERE LOCKED IN THE RIGHT PEDAL POSITION.
Probable Cause: TAIL ROTOR CABLE DISENGAGEMENT DUE TO INADEQUATE MAINTENANCE.
Accident investigation:
 |
|
Sources:
NTSB MKC90LA144
History of this aircraft
Other occurrences involving this aircraft
| 5 June 1991 | N8117 | Private | 0 | Peach Orchard, AR | |
sub |
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 21-Mar-2024 10:11 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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