Aviation Crash Map

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
N8061K
Athol, Idaho, United States William E. Rooks Fatal 2
12 Apr 1989 Stinson 108-3
N993C
Aurora, Colorado, United States Lepka, Richard L. No injuries -
25 Feb 1989 Stinson 108-1
N97764
Albany, Oregon, United States - No injuries -
11 Jun 1989 Stinson 108-2
N151C
Cedar, Michigan, United States R. Miller No injuries -
8 Apr 1989 Stinson 108-3
N6662M
Livermore, California, United States
no coordinates
- No injuries -
22 Apr 1989 Stinson 108
N97169
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
N8272W
Milbank, South Dakota, United States Spiering, Eugene No injuries -
23 Jul 1989 Cessna 170B
N8102A
Kyle, South Dakota, United States Buck, Randall J. No injuries -
2 Sep 1989 Cessna 182B
N2685G
Philip, South Dakota, United States Crummitt, Michael D., SR. Minor injuries -
23 May 1989 Piper PA-36-300
N82644
Agar, South Dakota, United States Brett Barber Fatal 1
27 Oct 1989 Boeing 737-322
N344UA
Rapid City, South Dakota, United States United Airlines No injuries -
11 Mar 1990 Cessna 172I
N35485
Isabel, South Dakota, United States - No injuries -

All 170,864 records in United States