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Accidents · NTSB CHI85LA323 · Preliminary: the investigation is not finished

Maule M-6 accident near Iron Mountain, Michigan, July 30, 1985

On July 30, 1985 at about 8:00 pm local time, a Maule M-6, registered N5646Z, was substantially damaged in an accident near Iron Mountain, Michigan (Ford airport). It was a personal flight under general aviation rules (Part 91). No one was hurt; 3 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
July 30, 1985 · about 8:00 pm local time
Place
Iron Mountain, Michigan · Ford · map
Type
Accident
Injuries
No one was hurt; 3 people were on board or involved.
Weather
visual conditions (good weather)
Aircraft
Maule M-6 · all M-6s on the register
Registration
N5646Z · no longer on the register · serial 7393C
Damage
Substantial damage
Flight
Personal flight · general aviation rules (Part 91)

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

DURING LANDING ROLLOUT THE AIRCRAFT GROUND LOOPED AND THE LEFT WING STRUCK THE RUNWAY. THIS WAS THE PILOT'S FIRST FLIGHT IN THIS MODEL CONVENTIONAL GEAR AIRCRAFT.

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: single-engine land; instrument: airplane
  • Flight time: 923 hours in all; 1 in this make and model; 792 as pilot in command
  • Medical certificate: Class 3 (valid medical--w/ waivers/lim.)
  • Seat: left

The aircraft

  • Airframe total time: 319 hours
  • Last inspection: annual inspection, May 15, 1985
  • Maximum gross weight: 2,300 lb
  • Seats: 4
  • Landing gear: fixed
  • Engine: Lycoming IO-540 (piston); 0 hours total

The flight

  • Departed from: BDJ Boulder Jnct. WI at 7:06 pm
  • Flight plan: none
  • Runway 1, 6,500 ft by 150 ft
  • A second pilot was aboard

Weather at the time

  • Light: daylight
  • Visibility: 30 statute miles
  • Sky: scat at 3,000 ft
  • Temperature: 75°F (24°C), dew point 70°F (21°C)
  • Altimeter: 30.00 inHg

Injuries

FatalSeriousMinorNone
Crew2
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.

Other NTSB records under N5646Z the same tail number, which may have belonged to a different aircraft at the time

1995-11-15SEA96LA019 · accident near Wisdom, MT · 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.