Snow AT-301 accident near Hennessey, Oklahoma, November 1, 1986
On November 1, 1986 at about 3:30 pm local time, a Snow AT-301, registered N7309D, was substantially damaged in an accident near Hennessey, Oklahoma. It was an aerial application (crop spraying) flight under agricultural flying rules (Part 137). 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 NTSB has not yet published a probable cause for this accident. Investigations usually take one to two years; this page updates when the final report is released.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- November 1, 1986 · about 3:30 pm local time
- Place
- Hennessey, Oklahoma · map
- Type
- Accident
- Injuries
- No one was hurt; 1 person was on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Snow AT-301
- Registration
- N7309D · registry record · serial 301-0642
- Damage
- Substantial damage
- Flight
- Aerial application (crop spraying) flight · agricultural flying rules (Part 137)
The NTSB's narrative final · quoted from the NTSB record
THE ACFT COLLIDED WITH A STREET SIGN DURING TAKEOFF. UNABLT TO MAINTAIN FLIGHT, THE PLT LANDED THE ACFT IN A FIELD COLLAPSING THE RIGHT LANDING GEAR.
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: commercial pilot
- Ratings: multi-engine land; single-engine land
- Flight time: 26,576 hours in all; 2,066 in this make and model; 60 in the last 90 days; 24,500 as pilot in command
- Medical certificate: Class 2 (valid medical--w/ waivers/lim.)
- Seat: ctr
The aircraft
- Airframe total time: 139 hours
- Last inspection: annual inspection, January 30, 1986
- Maximum gross weight: 1,500 lb
- Seats: 1
- Landing gear: fixed
- Engine: P&W R-1340 (piston); 0 hours total
The flight
- Flight plan: none
- Runway 0
Weather at the time
- Light: daylight
- Wind: from 360° at 12 knots
- Visibility: 11 statute miles
- Sky: not recorded; not recorded
- Temperature: 55°F (13°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.