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Accidents · NTSB CHI82DA348 · Preliminary: the investigation is not finished

Cessna 172M accident near Cheboygan, Michigan, September 9, 1982

On September 9, 1982 at about 11:40 pm local time, a Cessna 172M, registered N2AZ, was substantially damaged in an accident near Cheboygan, Michigan. 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).

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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 4, 2026. Docket and reports at the NTSB.

What the record shows

Date
September 9, 1982 · about 11:40 pm local time
Place
Cheboygan, Michigan
Type
Accident
Injuries
No one was hurt; 3 people were on board or involved.
Weather
visual conditions (good weather)
Aircraft
Cessna 172M · all 172Ms on the register
Registration
N2AZ · registry record · serial 17263157
Damage
Substantial damage
Flight
Personal flight · general aviation rules (Part 91)

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

THE FLIGHT WAS BEING CONDUCTED OVER THE WATERS OF LAKE HURON WHEN ENGINE STOPPAGE OCCURRED. UNABLE TO GLIDE TO THE AIRPORT THE PILOT DITCHED THE AIRCRAFT ON THE SHORELINE IN THE WATER. THE POST-ACCIDENT INVESTIGATION REVEALED THAT THE FOAM RUBBER FROM THE AIR INTAKE HAD DRIED AND SHREDDED AND WAS INGESTED INTO THE CARBURETOR AIR INTAKE. AN ANNUAL INSPECTION HAD BEEN PERFORMED 60 DAYS PRIOR TO THE OCCURRENCE.

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
  • Flight time: 245 hours in all; 21 in this make and model; 47 in the last 90 days; 194 as pilot in command
  • Medical certificate: Class 3 (valid medical--no waivers/lim.)
  • Seat: unk

The aircraft

  • Airframe total time: 1,438 hours
  • Last inspection: inspection type not recorded; 2 hours since
  • Maximum gross weight: 2,300 lb
  • Seats: 4
  • Landing gear: fixed
  • Engine: Lycoming O-320-E20 (piston); 0 hours total

The flight

  • Departed from: C Bois Blanc MI at 7:30 pm
  • Destination: C Cheboygan MI
  • Flight plan: none
  • Runway 0

Weather at the time

  • Light: daylight
  • Wind: from 270° at 7 knots
  • Visibility: 5 statute miles
  • Sky: not recorded; scat at 2,500 ft
  • Temperature: 45°F (7°C), dew point 0°F (-18°C)
  • Altimeter: 30.00 inHg

Injuries

FatalSeriousMinorNone
Crew1
Passengers2

About this page

Everything above comes from the NTSB's public accident database: the narrative, probable cause and findings are the NTSB's own words, and the coded tables behind its report (pilot, aircraft, flight, weather, injuries, sequence of events) are written out in plain English. Pilots' ages, home towns and medical details are left out on purpose. The docket at the NTSB holds the report as a PDF and the investigation's photographs and documents. This site never names pilots, passengers or anyone else involved. A preliminary report describes what is known soon after the event and can change; the final report, with the probable cause, usually follows one to two years later and this page is refreshed when it does. Case number CHI82DA348.