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Accidents · NTSB CHI85FA284 · Preliminary: the investigation is not finished

Amateur-built MX SUPER accident near Almont, Michigan, July 14, 1985

On July 14, 1985 at about 6:25 pm local time, a amateur-built MX SUPER (ultralight), registered N23MX, was destroyed in an accident near Almont, Michigan (Almont airport). It was a personal flight under general aviation rules (Part 91). 1 person was killed. 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 14, 1985 · about 6:25 pm local time
Place
Almont, Michigan · Almont · map
Type
Accident
Injuries
1 person was killed.
Weather
visual conditions (good weather)
Aircraft
Amateur-built MX SUPER
Registration
N23MX · registry record · serial 1002
Damage
Destroyed
Flight
Personal flight · general aviation rules (Part 91)

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

WITNESSES REPORTED THE ACFT WAS IN AN INVERTED FLIGHT APRX 60 TO 70 FT AGL BEFORE IT ENTERED A SPLIT 'S' MANEUVER AND DESCENDED TO GROUND IMPACT. THE PLT WAS PERFORMING AEROBATICS IN AN AIRSHOW WHEN THE ACCIDENT OCCURRED. THE PLT'S AEROBATIC WAIVER HAD EXPIRED ON 7/31/84.

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: private
  • Ratings: multi-engine land; single-engine land; single-engine sea
  • Flight time: 506 hours in all
  • Medical certificate: Unknown
  • Seat: ctr

The aircraft

  • Last inspection: inspection type not recorded
  • Maximum gross weight: 310 lb
  • Seats: 1
  • Landing gear: fixed
  • Engine: Rotax R503 (piston); 0 hours total

The flight

  • Flight plan: none
  • Runway 0

Weather at the time

  • Light: daylight
  • Wind: from 270° at 15 knots
  • Visibility: 15 statute miles
  • Sky: clear
  • Temperature: 81°F (27°C), dew point 70°F (21°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.

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.