ASN Wikibase Occurrence # 364333
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: | Sunday 20 October 1991 |
| Time: | 16:00 LT |
| Type: |  North American Navion D |
| Owner/operator: | Private |
| Registration: | N10JF |
| MSN: | NAV-4-1391 |
| Total airframe hrs: | 5200 hours |
| Engine model: | CONTINENTAL I0-520B |
| Fatalities: | Fatalities: 0 / Occupants: 4 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Lake Geneva, WI -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Delavan, WI (C59) |
| Kenosha, WI (KENW) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PILOT CLIMBED TO CRUISE ALTITUDE AND HAD SET POWER BEFORE THE ENGINE VIBRATED BRIEFLY AND QUIT. THE PILOT EXECUTED A FORCED LANDING IN A ROUGH FIELD. ENGINE TEARDOWN REVEALED A BROKEN CRANKSHAFT. THE FRACTURE SURFACE SHOWED FATIGUE EMANATING FROM A SCRATCH IN A FILLET AT THE NUMBER 2 MAIN BEARING JOURNAL.
Probable Cause: FATIGUE FAILURE OF THE CRANKSHAFT. A FACTOR IN THE ACCIDENT WAS INADEQUATE QUALITY CONTROL BY OTHER MAINTENANCE PERSONNEL.
Accident investigation:
 |
|
Sources:
NTSB CHI92LA015
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 19-Mar-2024 13:55 | 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