ASN Wikibase Occurrence # 364375
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Date: | Monday 14 October 1991 |
Time: | 09:02 LT |
Type: | Kaman HH-43B/F |
Owner/operator: | Scott Paper Company |
Registration: | N55714 |
MSN: | 62-4528 |
Total airframe hrs: | 5577 hours |
Engine model: | LYCOMING T-53-L-13B |
Fatalities: | Fatalities: 0 / Occupants: 2 |
Aircraft damage: | Substantial |
Category: | Accident |
Location: | Mt. Vernon, AL -
United States of America
|
Phase: | En route |
Nature: | Ferry/positioning |
Departure airport: | |
Destination airport: | |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:THE HELICOPTER WAS BEING REPOSITIONED FROM AN OPERATING BARGE TO THE BASE HELIPAD FOR REFUELING. EN ROUTE THE ENGINE SPEED ROLLED BACK TO FLIGHT IDLE, UNCOMMANDED. AN AUTOROTATIVE LANDING WAS MADE IN A SHALLOW LAKE. THE HELICOPTER ROLLED ON ITS SIDE AND DESTROYED THE MAIN ROTOR BLADES. A SUBSEQUENT EXAMIONATION OF THE ENGINE AND ITS ACCESSORIES FAILED TO REVEAL THE REASON FOR THE ROLL BACK.
Probable Cause: A LOSS OF ENGINE POWER FOR UNDETERMINED REASONS. A FACTOR IN THE ACCIDENT WAS THE LACK OF A SUITABLE LANDING SITE.
Accident investigation:
|
| |
Investigating agency: | NTSB |
Report number: | ATL92LA007 |
Status: | Investigation completed |
Duration: | 1 year and 6 months |
Download report: | Final report |
|
Sources:
NTSB ATL92LA007
Location
Revision history:
Date/time | Contributor | Updates |
19-Mar-2024 14:22 |
ASN Update Bot |
Added |
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