ASN Wikibase Occurrence # 384591
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| Date: | Thursday 22 April 1982 |
| Time: | 10:30 LT |
| Type: |  Bell 206L-1 |
| Owner/operator: | Petroleum Helicipters, Inc. |
| Registration: | N2138Y |
| MSN: | 45639 |
| Year of manufacture: | 1981 |
| Total airframe hrs: | 419 hours |
| Engine model: | Allison 250-C28 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Cameron, LA -
 United States of America
|
| Phase: | En route |
| Nature: | Unknown |
| Departure airport: | Cameron, LA |
| (VE58) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
N2138Y DEPARTED CAMERON, LA AFTER REFUELING EN ROUTE TO AN OFFSHORE RIG. SHORTLY AFTER DEPARTURE, WHILE OVER WATER, THE AIRCRAFT BEGAN TO YAW AND VIBRATE SEVERELY. THE PILOT STATED THAT THE TAIL ROTOR PEDALS "KICKED" HARD WHEN ADDITIONAL POWER WAS APPLIED. THE AIRCRAFT STARTED TO SPIRAL AND TUCK TO THE RIGHT. THE PILOT DEPLOYED THE FLOATS AND CLOSED THE THROTTLE IN AN EFFORT TO CUSHION THE IMPACT. EXAMINATION OF THE TAIL ROTOR BLADE REVEALED THAT THE BLADE TIP COUNTERWEIGHT SEPARATED, CAUSING A SEVERE DYNAMIC IMBALANCE. THE COUNTERWEIGHT SEPARATION WAS DUE TO DEBONDING OF THE WEIGHT BLOCK AND THE BLADESKIN SOMETIME PRIOR TO THE SUBJECT FLIGHT. EXAMINATION OF THE TAIL ROTOR GEARBOX REVEALED EVIDENCE OF FATIGUE FRACTURES OF THE GEARBOX ATTACHMENT STUB.
Probable Cause:
Accident investigation:
 |
|
Sources:
NTSB FTW82DA144
History of this aircraft
Other occurrences involving this aircraft
| 23 March 2001 | N2138Y | EMS Air Service | 0 | near Seneca Falls, NY | |
sub |
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 03-Apr-2024 12:50 | ASN Update Bot | Added |
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