ASN Wikibase Occurrence # 299378
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 19 January 2000 |
| Time: | 12:30 LT |
| Type: |  Mooney M20K |
| Owner/operator: | David Saloman |
| Registration: | N1157G |
| MSN: | 20-0729 |
| Total airframe hrs: | 2231 hours |
| Engine model: | Continental TSIO-360-LB1 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | TYLER, Texas -
 United States of America
|
| Phase: | Unknown |
| Nature: | Private |
| Departure airport: | ADDISON , TX (KADS) |
| TYLER , TX (KTYR) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot reported that the engine lost total power while in cruise flight between 1,500 feet and 2,000 feet agl. He executed a forced landing, during which the airplane contacted a fence post. During the postaccident examination of the engine, the crankshaft drive gear was observed fractured. Three consecutive gear teeth of the crankshaft drive gear separated, of which two were recovered. The crankshaft drive gear and gear teeth were examined at the NTSB Materials Laboratory and three areas of fatigue were observed. Each fatigue area originated at the relief radius at the root of one of the three separated teeth. No tooling marks or gouge marks were observed near the fracture surface or on the remainder of the crankshaft gear's teeth. The outermost nitrided layer of the crankshaft drive gear appeared smooth and no cracks were noted. Additionally, machining marks through the entire crankshaft drive gear appeared consistent.
Probable Cause: The failure of the crankshaft drive gear as a result of fatigue, which resulted in a forced landing. A factor was the lack of suitable terrain for the forced landing.
Accident investigation:
 |
|
Sources:
NTSB FTW00LA068
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 16-Oct-2022 05:58 | 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