Amateur-built MUSTANG MII accident near Cashion, Oklahoma, September 15, 1990
On September 15, 1990 at about 1:10 pm local time, a amateur-built MUSTANG MII, registered N7015A, was destroyed in an accident near Cashion, Oklahoma. It was a personal flight under general aviation rules (Part 91). No one was hurt; 1 person was on board or involved. The weather was visual conditions (good weather).
The NTSB's probable cause their words, unchanged
THE SEPARATION OF A 14 INCH SECTION OF ONE PROPELLER BLADE DUE TO PREVIOUS DAMAGE.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- September 15, 1990 · about 1:10 pm local time
- Place
- Cashion, Oklahoma · map
- Type
- Accident
- Injuries
- No one was hurt; 1 person was on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Amateur-built MUSTANG MII MUSTANG MI
- Registration
- N7015A · no longer on the register · serial 1408
- Damage
- Destroyed
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
AT 5,500 FEET ONE BLADE OF THE TWO BLADE PROPELLER FAILED, RESULTING IN SEPARATION OF A 14 INCH SECTION OF THE BLADE. THE PILOT THEN SECURED THE ENGINE AND PERFORMED A FORCED LANDING IN A RIVER BED. TOUCHDOWN WAS TAIL FIRST AND WHEN THE MAIN GEAR CONTACTED THE SAND THE AIRPLANE NOSED OVER. THE PROPELLER LOG BOOK COULD NOT BE LOCATED, HOWEVER, THE PILOT ESTIMATED PROPELLER TOTAL TIME TO BE ABOUT 405 HOURS. EXAMINATION REVEALED AT LEAST THREE CRACK ZONES ON THE FRACTURE SURFACE FROM PREVIOUS UNDOCUMENTED DAMAGE.
The complete narrative as the NTSB published it. The NTSB's docket holds the report as a PDF and any photographs, statements and other documents from the investigation.
The factual record from the NTSB's investigation tables, in plain English
Pilot
- Certificate: private
- Ratings: multi-engine land; single-engine land
- Flight time: 1,038 hours in all; 29 in this make and model; 15 in the last 90 days; 10 in the last 30 days; 1,000 as pilot in command
- Medical certificate: Class 3 (valid medical--no waivers/lim.)
- Seat: left
The aircraft
- Airframe total time: 154 hours
- Last inspection: annual inspection, November 6, 1989; 52 hours since
- Maximum gross weight: 1,600 lb
- Seats: 2
- Landing gear: fixed
- Engine: Continental IO-346-A (piston); 0 hours total
The flight
- Departed from: F29 Oklahoma City OK at 1:00 pm
- Destination: PNC Ponca City OK
- Flight plan: none
- Runway 0
Weather at the time
- Light: daylight
- Wind: from 360° at 3 knots
- Visibility: 30 statute miles
- Sky: clear
- Temperature: 64°F (18°C), dew point 0°F (-18°C)
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 1 |
Documents from the investigation the NTSB's docket: the evidence folder behind the report
The docket, the folder of records gathered during an investigation (maintenance records, photographs, witness statements, examinations), has not been read from the NTSB for this case yet; the list appears here once it has. Open the docket at the NTSB.
Everything on this page comes from the NTSB's public records. The narrative, probable cause and findings are the NTSB's own words; the coded tables behind the report are written out in plain English, with pilots' ages, home towns and medical details left out. The documents and photographs are the NTSB's docket, shown as the NTSB released them. This site's own text never names anyone involved. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.