Stinson 108-2 N150C
7 March 1989 · Custer, South Dakota, United States · Serious injuries
Summary
On 7 March 1989 at about 00:30 local time, a Stinson 108-2 registered N150C was involved in an accident near Custer, South Dakota, United States. One person was on board and one was seriously injured. The aircraft was substantially damaged. The NTSB has published a probable cause for this accident; it is quoted in full below.
The record
- Date
- at 00:30
- Classification
- Accident
- Location
- Custer, South Dakota, United States
- Nearest airport
- Custer County (SD01)
- Coordinates
- 43.7603, -103.6000
- Aircraft
- Stinson 108-2
- Registration
- N150C
- Category
- Airplane
- Engines
- 1
- Operator
- Not recorded
- Operating rule
- Part 91: General Aviation
- Purpose of flight
- Personal
- Phase of flight
- Not recorded
- Route
- Custer → Unknown
- Aircraft damage
- Substantial
- Weather
- VMC
- Light
- Day
- NTSB number
- DEN89LA082
People
1 person was seriously injured.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 1 | 0 | 1 | 0 | 0 |
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.
Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.
Read the full NTSB 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.
Quoted verbatim from the NTSB record.
Other Stinson 108 accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 22 Jul 1989 | Stinson 108-2 | Athol, Idaho, United States | William E. Rooks | Fatal | 2 |
| 12 Apr 1989 | Stinson 108-3 | Aurora, Colorado, United States | Lepka, Richard L. | No injuries | - |
| 25 Feb 1989 | Stinson 108-1 | Albany, Oregon, United States | - | No injuries | - |
| 11 Jun 1989 | Stinson 108-2 | Cedar, Michigan, United States | R. Miller | No injuries | - |
| 8 Apr 1989 | Stinson 108-3 | Livermore, California, United States | - | No injuries | - |
| 22 Apr 1989 | Stinson 108 | Avalon, California, United States | Waterman, David K. | Minor injuries | - |
All 1,217 records for this type
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 14 Apr 1989 | Piper PA-28-180 | Milbank, South Dakota, United States | Spiering, Eugene | No injuries | - |
| 23 Jul 1989 | Cessna 170B | Kyle, South Dakota, United States | Buck, Randall J. | No injuries | - |
| 2 Sep 1989 | Cessna 182B | Philip, South Dakota, United States | Crummitt, Michael D., SR. | Minor injuries | - |
| 23 May 1989 | Piper PA-36-300 | Agar, South Dakota, United States | Brett Barber | Fatal | 1 |
| 27 Oct 1989 | Boeing 737-322 | Rapid City, South Dakota, United States | United Airlines | No injuries | - |
| 11 Mar 1990 | Cessna 172I | Isabel, South Dakota, United States | - | No injuries | - |