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Accidents · NTSB DEN84LA236 · Preliminary: the investigation is not finished

Piper PA-25-235 accident near Webster, North Dakota, July 24, 1984

On July 24, 1984 at about 9:00 pm local time, a Piper PA-25-235, registered N6749Z, was substantially damaged in an accident near Webster, North Dakota. 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 24, 1984 · about 9:00 pm local time
Place
Webster, North Dakota · map
Type
Accident
Injuries
No one was hurt; 1 person was on board or involved.
Weather
visual conditions (good weather)
Aircraft
Piper PA-25-235 · all PA-25-235s on the register
Registration
N6749Z · registry record · serial 25-2368
Damage
Substantial damage
Flight
Aerial application (crop spraying) flight · agricultural flying rules (Part 137)

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

PLT STATED THE ENGINE BEGAN TO SPUTTER DURING AN AG FLT. A FORCED LANDING WAS MADE IN A WHEAT FIELD DURING WHICH THE LEFT MAIN GEAR COLLAPSED AND THE LEFT WING CONTACTED THE GROUND. INVESTIGATION REVEALED THE ACFT WAS FUELED FROM AN UNFILTERED 5 GALLON CAN WHICH HAD SAT UNCOVERED IN THE RAIN.AFTER THE ACCIDENT A MECHANIC STATED HE DRAINED '1/2 A POP CAN OF WATER' FROM THE FUEL SUMP.

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: 1,550 hours in all; 950 in this make and model; 125 in the last 90 days
  • Medical certificate: Class 2 (valid medical--no waivers/lim.)
  • Seat: ctr

The aircraft

  • Airframe total time: 3,400 hours
  • Last inspection: annual inspection, October 20, 1983; 140 hours since
  • Maximum gross weight: 2,900 lb
  • Seats: 1
  • Landing gear: fixed
  • Engine: Lycoming O-540-B2B5 (piston); 0 hours total

The flight

  • Flight plan: none
  • Runway 0

Weather at the time

  • Light: daylight
  • Visibility: 20 statute miles
  • Sky: broken clouds at 20,000 ft
  • Temperature: 84°F (29°C), dew point 54°F (12°C)
  • Altimeter: 30.00 inHg

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 N6749Z the same tail number, which may have belonged to a different aircraft at the time

1987-04-28DEN87LA114 · accident near Valley City, ND · 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.