ASN Wikibase Occurrence # 364333
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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) |
Destination airport: | Kenosha, WI (KENW) |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative: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:
|
| |
Investigating agency: | NTSB |
Report number: | CHI92LA015 |
Status: | Investigation completed |
Duration: | 1 year and 9 months |
Download report: | Final report |
|
Sources:
NTSB CHI92LA015
Location
Revision history:
Date/time | Contributor | Updates |
19-Mar-2024 13:55 |
ASN Update Bot |
Added |
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