ASN Wikibase Occurrence # 364744
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| Date: | Thursday 8 August 1991 |
| Time: | 10:00 LT |
| Type: |  Bell 412 |
| Owner/operator: | Era Aviation Inc. |
| Registration: | N177EH |
| MSN: | 33037 |
| Engine model: | P&W PT6T-3B |
| Fatalities: | Fatalities: 0 / Occupants: 15 |
| Aircraft damage: | None |
| Category: | Serious incident |
| Location: | Rowan Midland, -
 United States of America
|
| Phase: | Initial climb |
| Nature: | Unknown |
| Departure airport: | West. Carribean, GM |
| New Orleans, LA (MSY | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
DURING TAKEOFF FROM A MOVING VESSEL, THE PILOT LOST DIRECTIONAL CONTROL. HE ELECTED TO CONTINUE TO FLY IN AN EFFORT TO REACH AN OFFSHORE PLATFORM. AS DIRECTION CONTROL BECAME MORE UNSTABLE, THE CAPTAIN ORDERED THE FIRST OFFICER TO MAKE A WATER LANDING. FLOATS WERE INFLATED AND THE LANDING WAS MADE WITHOUT INCIDENT. ALL 15 ON BOARD WERE RECOVERED WITHOUT INCIDENT. EXAMINATION REVEALED THAT THE TAIL ROTOR DRIVE SHAFT HAD BEEN ASSEMBLED INCORRECTLY AND THAT THE QUILL ASSEMBLY HAD FAILED.
Probable Cause: THE MECHANIC'S FAILURE TO ASSEMBLE THE TAIL ROTOR DRIVE SHAFT CORRECTLY AND THE SUBSEQUENT FAILURE OF THE TAIL ROTOR DRIVE SHAFT. A FACTOR WAS THE LACK OF INSPECTION PROCEDURES FOR OFFSHORE MAINTENANCE.
Accident investigation:
 |
|
Sources:
NTSB FTW91IA143
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 19-Mar-2024 18:23 | ASN Update Bot | Added |
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