Piper PA-18-150 accident near Roy, Montana, July 28, 1991
On July 28, 1991 at about 2:15 pm local time, a Piper PA-18-150, registered N2322A, was substantially damaged in an accident near Roy, Montana. It was a personal flight under general aviation rules (Part 91). No one was hurt; 2 people were on board or involved. The weather was visual conditions (good weather).
The NTSB's probable cause their words, unchanged
THE FAILURE OF THE PILOT TO MAINTAIN CLEARANCE FROM OBSTACLES DURING TAKEOFF.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- July 28, 1991 · about 2:15 pm local time
- Place
- Roy, Montana · map
- Type
- Accident
- Injuries
- No one was hurt; 2 people were on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Piper PA-18-150 · all PA-18-150s on the register
- Registration
- N2322A · registry record · serial 18-1898
- Damage
- Substantial damage
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
THE ACFT IMPACTED A FENCE POST DURING TAKEOFF GND RUN ON A ROAD, GND LOOPED AND IMPACTED TERRAIN.
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: airline transport pilot, flight instructor
- Ratings: single-engine land; instructor: airplane single-engine; instructor: helicopter; instrument: airplane; rotorcraft: helicopter
- Flight time: 7,900 hours in all; 1,500 in this make and model; 27 in the last 90 days; 23 in the last 30 days; 7,800 as pilot in command; 530 on instruments
- Medical certificate: Class 1 (valid medical--no waivers/lim.)
- Seat: unk
The aircraft
- Last inspection: inspection type not recorded; 0 hours since
- Maximum gross weight: 1,500 lb
- Seats: 2
- Landing gear: fixed
- Engine: Lycoming O-320 (piston); 0 hours total
The flight
- Destination: MLK Malta MT
- Flight plan: none
- Runway 0
Weather at the time
- Light: daylight
- Wind: from 240° at 8 knots
- Visibility: 45 statute miles
- Sky: broken clouds at 25,000 ft; scat at 10,000 ft
- Temperature: 64°F (18°C), dew point 45°F (7°C)
- Altimeter: 30.00 inHg
- Observation at 1:50 pm from GTF, 100 miles away
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 1 | |||
| Passengers | 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.