ASN Wikibase Occurrence # 376108
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: | Monday 7 October 1985 |
| Time: | 08:10 LT |
| Type: |  Bell 206L-1 |
| Owner/operator: | Dhl Airways, Inc. |
| Registration: | N515EH |
| MSN: | 45364 |
| Year of manufacture: | 1980 |
| Total airframe hrs: | 2764 hours |
| Engine model: | Allison 250-C28B |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Tomball, TX -
 United States of America
|
| Phase: | En route |
| Nature: | Ferry/positioning |
| Departure airport: | |
| Houston, TX (KIAH) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
ACFT WAS SUBSTANTIALLY DAMAGED AS A RESULT OF A HARD LANDING DURING AN EMERGENCY AUTOROTATION FOLLOWING A COMPLETE POWER LOSS. THE POWER LOSS OCCURRED AS A RESULT OF AN UNCONTAINED FAILURE OF THE NO. 1 TURBINE WHEEL. THE WHEEL BURST AS A RESULT OF A FATIGUE FAILURE OF THE TURBINE TO COMPRESSOR COUPLING WHICH ALLOWED THE SHAFT TO DECOUPLE. WHEN THE TURBINE SECTION DECOUPLED THE ENGINE EXPERIENCED AN OVERSPEED. THE ORGIN OF THE FATIGUE FRACTURE WAS FOUND IN THE SCALLOP AREA ON THE TURBINE END OF THE SHAFT. THE ENG FAILURE OCCURRED AT LOW ALTITUDE ON DEPARTURE AND THE PLT HAD TO MANEUVER THE ACFT IN ORDER TO MAKE THE ONLY AVAILABLE FORCED LANDING AREA.
Probable Cause:
Accident investigation:
 |
|
Sources:
NTSB FTW86FA007
History of this aircraft
Other occurrences involving this aircraft
| 16 May 1993 | N38Q | Helicopters Adventures Int'l | 0 | Mead, CO | |
sub |
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 29-Mar-2024 12:49 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
The Aviation Safety Network is an exclusive service provided by:
Quick Links:
| ASN Home | Send Correction / Feedback |
| FSF Home | Disclaimer | Copyright |
| Contact Us | Privacy Policy |
| Press / Media |
CONNECT WITH US:
©2024 Flight Safety Foundation