The U.S. aircraft register, updated daily
Accidents · NTSB DEN85LA195 · Preliminary: the investigation is not finished

Schweizer G-164B-600 accident near Riverton, Wyoming, July 22, 1985

On July 22, 1985 at about 3:45 pm local time, a Schweizer G-164B-600, registered N6825K, was substantially damaged in an accident near Riverton, Wyoming (Riverton Regional airport). It was a flight of an unrecorded kind 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 22, 1985 · about 3:45 pm local time
Place
Riverton, Wyoming · Riverton Regional · map
Type
Accident
Injuries
No one was hurt; 1 person was on board or involved.
Weather
visual conditions (good weather)
Aircraft
Schweizer G-164B-600
Registration
N6825K · no longer on the register · serial 500B
Damage
Substantial damage
Flight
Flight of an unrecorded kind · agricultural flying rules (Part 137)

The NTSB's narrative final · quoted from the NTSB record

THE PLT WAS CROP SPRAYING A FIELD IN A SCHWEIZER AG-CAT ACFT WHEN THE LEFT LANDING WIRE BROKE. THE PLT RETURNED TO RIVERTON, WY. DURING THE LANDING ROLL, IN ATTEMPT TO STOP THE ACFT AS SOON AS POSSIBLE, HE INADVERTENTLY APPLIED THE BRAKES TOO HARD, CAUSING THE ACFT TO NOSE OVER.

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: 1,380 hours in all; 650 in this make and model; 180 in the last 90 days; 1,330 as pilot in command
  • Medical certificate: Class 2 (valid medical--no waivers/lim.)
  • Seat: ctr

The aircraft

  • Airframe total time: 1,531 hours
  • Last inspection: annual inspection, March 18, 1985
  • Maximum gross weight: 6,075 lb
  • Seats: 1
  • Landing gear: fixed
  • Engine: P&W R1340-AN-1 (piston); 0 hours total

The flight

  • Flight plan: none
  • Runway 28, 8,200 ft by 150 ft

Weather at the time

  • Light: daylight
  • Visibility: 50 statute miles
  • Sky: clear
  • Temperature: 0°F (-18°C), dew point 0°F (-18°C)

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 N6825K the same tail number, which may have belonged to a different aircraft at the time

1984-07-13MKC84LA214 · accident near Brule, NE · 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.