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Accidents · NTSB CHI89FA009 · Final report

Mooney M20J accident near Ludington, Michigan, October 16, 1988

On October 16, 1988 at about 2:50 pm local time, a Mooney M20J, registered N58155, was destroyed in an accident near Ludington, Michigan. It was a personal flight under general aviation rules (Part 91). 2 people were killed. The weather was instrument conditions (cloud, fog or low visibility).

The NTSB's probable cause their words, unchanged

THE PILOT IN COMMAND FAILED TO MAINTAIN PROPER ALTITUDE UTILIZING BASIC FLIGHT INSTRUMENTS WHILE EXPERIENCING A LOSS OF GYRO INSTRUMENTS.

Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.

What the record shows

Date
October 16, 1988 · about 2:50 pm local time
Place
Ludington, Michigan · map
Type
Accident
Injuries
2 people were killed.
Weather
instrument conditions (cloud, fog or low visibility)
Aircraft
Mooney M20J · all M20Js on the register
Registration
N58155 · no longer on the register · serial 24-1581
Damage
Destroyed
Flight
Personal flight · general aviation rules (Part 91)

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

SHORTLY AFTER TAKEOFF THE PILOT CONTACTED MINNEAPOLIS CENTER TO ACTIVATE AN IFR FLIGHT PLAN AND SUBSEQUENTLY REPORTED A COMPLETE GYRO FAILURE. THE PILOT WAS BEING GIVEN A NO-GYRO TURN TO THE NEAREST AVAILABLE AIRPORT WHEN THE AIRPLANE DISAPPEARED OFF RADAR. THE ACFT WAS RECOVERED IN A LAKE ALMOST DIRECTLY BENEATH THE LAST KNOWN RADAR LOCATION. POST ACCIDENT INSPECTION OF THE WRECKAGE REVEALED A SHEARED VACUUM PUMP SHAFT.

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: 1,200 hours in all
  • Medical certificate: Class 3 (valid medical--w/ waivers/lim.)
  • Seat: left

The aircraft

  • Last inspection: inspection type not recorded
  • Maximum gross weight: 2,740 lb
  • Seats: 4
  • Landing gear: retractable
  • Engine: Lycoming IO-360-A3B6D (piston); 0 hours total

The flight

  • Departed from: LDM Ludington MI at 2:44 pm
  • Destination: PWK Wheeling IL
  • Flight plan: IFR
  • Runway 0
  • A second pilot was aboard

Weather at the time

  • Light: daylight
  • Sky: overcast at 400 ft; not recorded at 400 ft
  • Temperature: 0°F (-18°C), dew point 0°F (-18°C)

Injuries

FatalSeriousMinorNone
Crew2

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.