The U.S. aircraft register, updated daily
Accidents · NTSB FTW96LA070 · Final report

Grumman G-164B accident near Pawnee, Oklahoma, December 13, 1995

On December 13, 1995 at about 10:20 pm local time, a Grumman G-164B, registered N6642K, was substantially damaged in an accident near Pawnee, 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 PILOT'S FAILURE TO MAINTAIN ADEQUATE CLEARANCE FROM THE TERRAIN.

Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.

What the record shows

Date
December 13, 1995 · about 10:20 pm local time
Place
Pawnee, Oklahoma · 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
N6642K · no longer on the register · serial 403B
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 RIGHT MAIN LANDING GEAR IMPACTED A BERM DURING A SPRAY RUN AND SEPARATED. THE PILOT LANDED IN AN OPEN FIELD, AND WHILE LANDING ON THE REMAINING MAIN GEAR, CONTROL WAS LOST AND THE AIRPLANE NOSED OVER COMING TO REST IN THE INVERTED POSITION. ALL FOUR WINGS SUSTAINED STRUCTURAL DAMAGE, AND THE ENGINE MOUNT WAS DEFORMED.

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; instrument: airplane
  • Flight time: 1,920 hours in all; 230 in this make and model; 10 in the last 90 days; 6 in the last 30 days; 1,638 as pilot in command
  • Medical certificate: Class 2 (valid medical--no waivers/lim.)
  • Seat: ctr

The aircraft

  • Airframe total time: 6,653 hours
  • Last inspection: annual inspection, February 26, 1995; 166 hours since
  • Maximum gross weight: 4,500 lb
  • Seats: 1
  • Landing gear: fixed
  • Engine: P&W R-1340-AN1 (piston); 0 hours total

The flight

  • Departed from: NONE Covington OK at 9:15 pm
  • Flight plan: none
  • Runway 0

Weather at the time

  • Light: daylight
  • Wind: from 250° at 7 knots
  • Visibility: 12 statute miles
  • Sky: overcast at 25,000 ft; scat at 8,000 ft
  • Temperature: 61°F (16°C), dew point 39°F (4°C)
  • Altimeter: 29.00 inHg
  • Observation at 9:53 pm from PNC, 38 miles away

Injuries

FatalSeriousMinorNone
Crew1

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 N6642K the same tail number, which may have belonged to a different aircraft at the time

1983-06-04FTW83LA267 · accident near Kinder, LA · substantial damage · no injuries

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.