ASN Wikibase Occurrence # 372537
This information is added by users of ASN. Neither ASN nor the Flight Safety Foundation are responsible for the completeness or correctness of this information.
If you feel this information is incomplete or incorrect, you can
submit corrected information.
Date: | Wednesday 29 July 1987 |
Time: | 09:50 LT |
Type: | Bell 204B |
Owner/operator: | Bill Williams-southern Aero |
Registration: | N4580Y |
MSN: | 2066 |
Year of manufacture: | 1967 |
Total airframe hrs: | 4000 hours |
Engine model: | LYCOMING T-53-L13B |
Fatalities: | Fatalities: 0 / Occupants: 1 |
Aircraft damage: | Substantial |
Category: | Accident |
Location: | Dubois, WY -
United States of America
|
Phase: | Taxi |
Nature: | Unknown |
Departure airport: | |
Destination airport: | |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:THE COMMERCIAL PLT WAS PERFORMING EXTERNAL SLING LOADS IN SUPPORT OF SEISMIC OPERATIONS. THE PLT REPORTED THAT THE ENGINE FAILED DURING A LOAD RELEASE AND THE PLT EXECUTED AN AUTOROTATION. THIS RESULTED IN A HARD LANDING IN HEAVY TIMBER ON SLOPING TERRAIN. THE HELICOPTER ROLLED OVER ON THE RIGHT SIDE. A POST ACCIDENT ENGINE INSPECTION REVEALED NO PREIMPACT MECHANICAL MALFUNCTIONS /FAILURES.
Probable Cause:
Accident investigation:
|
| |
Investigating agency: | NTSB |
Report number: | DEN87LA199 |
Status: | Investigation completed |
Duration: | 1 year and 2 months |
Download report: | Final report |
|
Sources:
NTSB DEN87LA199
History of this aircraft
Other occurrences involving this aircraft
16 April 1997 |
N4580Y |
South Coastal Helicopter/U.S. Forest Service |
0 |
near Calderwood, TN |
|
w/o |
Location
Revision history:
Date/time | Contributor | Updates |
26-Mar-2024 18:06 |
ASN Update Bot |
Added |
The Aviation Safety Network is an exclusive service provided by:
CONNECT WITH US:
©2024 Flight Safety Foundation