ASN Wikibase Occurrence # 375271
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Date: | Monday 14 April 1986 |
Time: | 08:15 LT |
Type: | Bell UH-1B |
Owner/operator: | Colony Helicopters |
Registration: | N4242T |
MSN: | 62-1906 |
Total airframe hrs: | 8504 hours |
Engine model: | LYCOMING T-53-L-1A |
Fatalities: | Fatalities: 0 / Occupants: 2 |
Aircraft damage: | Substantial |
Category: | Accident |
Location: | North Port, FL -
United States of America
|
Phase: | Initial climb |
Nature: | Executive |
Departure airport: | |
Destination airport: | |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:THE FLT EXPERIENCED AN ENG FAILURE AT AN ALT OF APRX 8 FT AGL SHORTLY AFTER TAKEOFF AND THE HELICOPTER SUSTAINED SUBSTANTIAL DAMAGE WHEN A HARD LANDING WAS MADE. POST ACCIDENT INSPECTION OF THE ENG REVEALED THE PWR TURBINE WHEEL EXPERIENCED A LOSS OF TWO TURBINE BLADES WHICH IN TURN CAUSED THE TURBINE SECTION OF THE ENG TO SEIZE, SHEARING THE DRIVE SHAFT TO THE COMPRESSOR SECTION OF THE ENG. THE FAILURE POINT OF THE TWO TURBINE BLADES REVEALED BURNING WHICH IS EVIDENT OF PRE-EXISTING CRACKS.
Probable Cause:
Accident investigation:
|
| |
Investigating agency: | NTSB |
Report number: | MIA86LA138 |
Status: | Investigation completed |
Duration: | |
Download report: | Final report |
|
Sources:
NTSB MIA86LA138
Revision history:
Date/time | Contributor | Updates |
28-Mar-2024 18:11 |
ASN Update Bot |
Added |
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