ASN Wikibase Occurrence # 382922
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Date: | Thursday 2 December 1982 |
Time: | 14:00 LT |
Type: | Bell 412 |
Owner/operator: | Petroleum Helicopters, Inc. |
Registration: | N2258F |
MSN: | 33073 |
Year of manufacture: | 1982 |
Total airframe hrs: | 1071 hours |
Engine model: | P&W PT6T-3B |
Fatalities: | Fatalities: 0 / Occupants: 2 |
Aircraft damage: | None |
Category: | Serious incident |
Location: | Intercoastal Ci, LA -
United States of America
|
Phase: | En route |
Nature: | Unknown |
Departure airport: | Abbeville, LA (0R3) |
Destination airport: | Reno, NV (KRNO) |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:WHILE IN CRUISE FLIGHT, THE PILOTS HEARD A LOUD POP AND FELT A SEVERE CYCLIC CONTROL VIBRATION. AN IMMEDIATE PRECAUTIONARY LANDING WAS MADE. AN EXAMINATION REVEALED THAT THERE WAS A FATIGUE CRACK IN THE TRAILING EDGE OF THE BLUE, MAIN ROTOR YOKE FLEXURE, PN 412-010-101-113. THE HELICOPTER AND THE FIXTURE HAD ACCUMULATED 1071 HRS OF FLIGHT TIME. THE LIFE LIMIT OF THE FAILED COMPONENT WAS 5000 HRS.
Probable Cause:
Accident investigation:
|
| |
Investigating agency: | NTSB |
Report number: | FTW83IA053 |
Status: | Investigation completed |
Duration: | 1 year |
Download report: | Final report |
|
Sources:
NTSB FTW83IA053
Location
Revision history:
Date/time | Contributor | Updates |
02-Apr-2024 19:00 |
ASN Update Bot |
Added |
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