Grumman G-164B accident near Lockwood, Missouri, April 27, 1990
On April 27, 1990 at about 3:30 pm local time, a Grumman G-164B, registered N6788K, was substantially damaged in an accident near Lockwood, Missouri (Woodfield). 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
TOUCHDOWN POINT NOT ATTAINED AND GO-AROUND NOT PERFORMED BY THE PILOT IN COMMAND. CONTRIBUTING FACTORS WERE A WET, GRASS RUNWAY.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- April 27, 1990 · about 3:30 pm local time
- Place
- Lockwood, Missouri · Woodfield · map
- Type
- Accident
- Injuries
- No one was hurt; 1 person was on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Grumman G-164B · all G-164Bs on the register
- Registration
- N6788K · no longer on the register · serial 478B
- Damage
- Substantial damage
- Flight
- Aerial application (crop spraying) flight · agricultural flying rules (Part 137)
The NTSB's narrative final · quoted from the NTSB record
WHILE ATTEMPTING TO LAND ON A PRIVATE, WET GRASS STRIP, DURING AN AERIAL APPLICATION OPERATION, THE PILOT WAS UNABLE TO STOP THE AIRCRAFT AND IT COLLIDED WITH A DITCH.
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; instructor: airplane single-engine; instructor: instrument airplane; instrument: airplane
- Flight time: 5,000 hours in all
- Medical certificate: Class 2 (valid medical--w/ waivers/lim.)
- Seat: left
The aircraft
- Last inspection: inspection type not recorded; 0 hours since
- Maximum gross weight: 5,200 lb
- Seats: 1
- Landing gear: fixed
- Engine: P&W R-1340-AN1 (piston); 0 hours total
- Operator: T And R AG Service, INC.
The flight
- Departed from: LLU Lamar MO at 3:15 pm
- Destination: MU27
- Flight plan: none
- Runway 18, 2,600 ft by 100 ft
Weather at the time
- Light: daylight
- Sky: not recorded; not recorded
- Temperature: 0°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.