ASN Wikibase Occurrence # 369122
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Date: | Monday 6 March 1989 |
Time: | 19:30 LT |
Type: | Stinson 108-2 |
Owner/operator: | Private |
Registration: | N150C |
MSN: | 108-3150 |
Total airframe hrs: | 1356 hours |
Engine model: | FRANKLIN 6A4-165-B3 |
Fatalities: | Fatalities: 0 / Occupants: 1 |
Aircraft damage: | Substantial |
Category: | Accident |
Location: | Custer, SD -
United States of America
|
Phase: | Initial climb |
Nature: | Private |
Departure airport: | Custer, SD (SD01) |
Destination airport: | (SD01) |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:THE PRIVATE PLT WAS PERFORMING A FLIGHT FOLLOWING HIS INSTALLATION OF TWO MAGNETOS. A WITNESS AND THE PLT REPORTED THAT ON CLIMB OUT THE ENGINE QUIT. THE PLT SAID HE HEARD SOMETHING BREAK IN THE ENGINE. THE PLT ATTEMPTED TO LAND ON A GRAVEL DRIVEWAY SOUTH OF THE RUNWAY. AT IMPACT, THE MAIN LANDING GEAR COLLAPSED. THE PLANE CAME TO REST AFTER SLIDING 150 FT. A POST ACCIDENT INSPECTION REVEALED THAT BOTH MAGNETOS HAD BEEN INSTALLED WITHOUT COTTER PINS ON THE DRIVE GEAR RETAINING NUTS. THIS RESULTED IN THE NUTS BACKING OFF, DISCONNECTING THE MAGNETOS, AND ONE OF THE GEARS FALLING INTO THE ENGINE, RESULTING IN THE REPORTED STOPPAGE.
Probable Cause: THE IMPROPER MAINTENANCE BY THE PILOT IN COMMAND/OWNER IN THAT THE MAGNETO DRIVE GEAR RETAINING NUTS WERE NOT SAFETIED WHICH RESULTED IN THEM BACKING OFF, DISCONNECTING THE MAGNETOES AND ONE OF THE GEARS FALLING INTO THE ENGINE.
Accident investigation:
|
| |
Investigating agency: | NTSB |
Report number: | DEN89LA082 |
Status: | Investigation completed |
Duration: | 1 year and 2 months |
Download report: | Final report |
|
Sources:
NTSB DEN89LA082
Location
Revision history:
Date/time | Contributor | Updates |
24-Mar-2024 11:04 |
ASN Update Bot |
Added |
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