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Accidents · NTSB CHI85LA355 · Preliminary: the investigation is not finished

Ercoupe (Eng & Research Corp.) 415-C accident near Ashkum, Illinois, August 21, 1985

On August 21, 1985 at about 12:10 pm local time, a Ercoupe (Eng & Research Corp.) 415-C, registered N99666, was substantially damaged in an accident near Ashkum, Illinois. It was a personal flight under general aviation rules (Part 91). No one was hurt; 2 people were 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
August 21, 1985 · about 12:10 pm local time
Place
Ashkum, Illinois · map
Type
Accident
Injuries
No one was hurt; 2 people were on board or involved.
Weather
visual conditions (good weather)
Aircraft
Ercoupe (Eng & Research Corp.) 415-C
Registration
N99666 · registry record · serial 2289
Damage
Substantial damage
Flight
Personal flight · general aviation rules (Part 91)

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

THE LEFT WING OF THE ACFT CONTACTED CROPS DURING AN ATTEMPTED TAKEOFF. THE PLT REPORTED LIFTOFF WAS TOO SOON AND THE ACFT VEERED LEFT CONTACTED CROPS. THE PLT STATED THAT HE SHOULD HAVE STAYED ON RWY LONGER.

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: student
  • Flight time: 13 hours in all; 5 in the last 90 days
  • Medical certificate: Unknown
  • Seat: left

The aircraft

  • Airframe total time: 3,720 hours
  • Last inspection: annual inspection, July 5, 1985; 8 hours since
  • Maximum gross weight: 1,400 lb
  • Seats: 2
  • Landing gear: fixed
  • Engine: Continental C-85-12 (piston); 0 hours total

The flight

  • Destination: Rensselear IN
  • Flight plan: none
  • Runway 0

Weather at the time

  • Light: daylight
  • Visibility: 20 statute miles
  • Sky: clear
  • Temperature: 70°F (21°C), dew point 0°F (-18°C)

Injuries

FatalSeriousMinorNone
Crew1
Passengers1

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.