Grumman G-164B accident near Columbus, Nebraska, August 9, 1990
On August 9, 1990 at about 9:30 pm local time, a Grumman G-164B, registered N6745K, was substantially damaged in an accident near Columbus, Nebraska (Miller "Pvt" airport). 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
STANDING WATER ON THE APPROACH END OF THE RUNWAY.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- August 9, 1990 · about 9:30 pm local time
- Place
- Columbus, Nebraska · Miller "Pvt" · 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
- N6745K · registry record · serial 446B
- Damage
- Substantial damage
- Flight
- Aerial application (crop spraying) flight · agricultural flying rules (Part 137)
The NTSB's narrative final · quoted from the NTSB record
CORN FIELD IRRIGATORS HAD FLOODED THE APPROACH END OF THE LANDING STRIP. THE PILOT SAID THAT HE WAS UNABLE TO SEE THE WATER, DUE TO THE HEIGHT OF THE GRASS, AND SHORTLY AFTER TOUCHDOWN, THE ACFT FLIPPED INVERTED.
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: single-engine land
- Flight time: 10,088 hours in all; 5,668 in this make and model; 124 in the last 90 days; 83 in the last 30 days; 9,991 as pilot in command
- Medical certificate: Class 2 (valid medical--w/ waivers/lim.)
- Seat: unk
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: Sedlak Aerial Spraying LTD.
The flight
- Flight plan: none
- Runway 0, 2,600 ft by 70 ft
Weather at the time
- Light: daylight
- Wind: from 080° at 5 knots
- Visibility: 7 statute miles
- Sky: scat at 5,000 ft
- Temperature: 0°F (-18°C), dew point 0°F (-18°C)
- Observation at 4:45 pm from OLU, 5 miles away
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.