ASN Wikibase Occurrence # 369532
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| Date: | Saturday 12 November 1988 |
| Time: | 18:00 LT |
| Type: |  Hughes 269A |
| Owner/operator: | Private |
| Registration: | N37632 |
| MSN: | 46-0499 |
| Total airframe hrs: | 4206 hours |
| Engine model: | LYCOMING HIO-360-B1A |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | None |
| Category: | Serious incident |
| Location: | Daytona Beach, FL -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Daytona Beach, FL |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
DURING NORMAL CRUISE FLT, THE MAIN ROTOR DRIVE SYSTEM FAILED FOR UNDETERMINED REASON(S). GRASS WAS IGNITED BY EXHAUST GASSES AFTER TOUCHDOWN, RESULTING IN FIRE, DESTROYING THE HELICOPTER. EXAMINATION OF ENG COMPARTMENT REVEALED NO EVIDENCE OF CATASTROPHIC FAILURE OR MALFUNCTION OF THE TRANSMISSION DRIVE ASSY. THE PLT STATED HE BELIEVES THE LOSS OF MAIN ROTOR DRIVE MAY HAVE BEEN DUE TO BELT OR IDLER PULLEY CABLE STRETCH. THE TOTAL NO. OF TRANSMISSION DRIVE BELTS OPERATING WHEN THE LOSS OF MAIN ROTOR DRIVE OCCURRED COULD NOT BE DETERMINED. ACCORDING TO THE PLT A 2 BELTS WILL DRIVE THE TRANSMISSION. HE ALSO STATED THAT ACCORDING TO THE PLT THE FAILURE MAY HAVE BEEN DUE TO THE STRETCHING OF THE IDLER PULLEY CABLE OR THE TRANSMISSION DRIVE BELTS. THE TENSION OF THE IDLER PULLEY CABLE WAS CHECKED APRX 12 HRS PRIOR TO THE ACCIDENT AND SCHEDULED TO BE RECHECKED AFTER 13 HRS OF OPERATION.
Probable Cause:
Accident investigation:
 |
|
Sources:
NTSB MIA89IA030
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Mar-2024 15:36 | ASN Update Bot | Added |
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