Grumman G-164A accident near Morris, Minnesota, July 1, 1983
On July 1, 1983 at about 4:30 pm local time, a Grumman G-164A, registered N8379, was substantially damaged in an accident near Morris, Minnesota. 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
- July 1, 1983 · about 4:30 pm local time
- Place
- Morris, Minnesota · map
- Type
- Accident
- Injuries
- No one was hurt; 1 person was on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Grumman G-164A · all G-164As on the register
- Registration
- N8379 · registry record · serial 872
- 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 PLT REPORTED THAT WHILE HE WAS WAITING FOR THE FLAGMAN, CIRCLING THE FIELD TO BE SPRAYED, & TALKING TO THE FLAGMAN, THE ACFT BEGAN TO SINK & STRUCK TREES. THE LOAD WAS DUMPED, BUT THE PLANE CONTINUED TO SINK TO THE GROUND. DURING THE LANDING, THE ACFT NOSED OVER IN A SOFT, WET FIELD & CAME TO REST UPSIDE DOWN.
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: flight instructor, commercial pilot
- Ratings: single-engine land; instrument: airplane
- Flight time: 2,405 hours in all; 154 in this make and model; 190 in the last 90 days; 2,262 as pilot in command
- Medical certificate: Class 2 (valid medical--no waivers/lim.)
- Seat: ctr
The aircraft
- Airframe total time: 3,995 hours
- Last inspection: annual inspection, September 11, 1982
- Maximum gross weight: 6,075 lb
- Seats: 1
- Landing gear: fixed
- Engine: P&W R-985-AN1 (piston); 0 hours total
The flight
- Departed from: MOX Morris MN at 4:15 pm
- Flight plan: none
- Runway 0
Weather at the time
- Light: daylight
- Wind: from 315° at 3 knots
- Visibility: 10 statute miles
- Sky: clear
- Temperature: 84°F (29°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.
Other NTSB records under N8379 the same tail number, which may have belonged to a different aircraft at the time
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.