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Accidents · NTSB DEN86LA044 · Preliminary: the investigation is not finished

Cessna 172N accident near Logan, Utah, December 16, 1985

On December 16, 1985 at about 5:00 am local time, a Cessna 172N, registered N739KU, was substantially damaged in an accident near Logan, Utah. 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 instrument conditions (cloud, fog or low visibility).

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
December 16, 1985 · about 5:00 am local time
Place
Logan, Utah · map
Type
Accident
Injuries
No one was hurt; 3 people were on board or involved.
Weather
instrument conditions (cloud, fog or low visibility)
Aircraft
Cessna 172N · all 172Ns on the register
Registration
N739KU · no longer on the register · serial 17270611
Damage
Substantial damage
Flight
Personal flight · general aviation rules (Part 91)

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

THE PLT STATED THAT SHORTLY AFTER A NIGHT DEPARTURE, THE ACFT ENTERED A FOG BANK. THE PLT SAID HE WAS TURNING TO REVERSE DIRECTION AND DESCENDING IN ORDER TO AVOID IMC. PRIOR TO COMPLETING THE TURN, THE PLT ENCOUNTERED IMC AND LOST ALL OUTSIDE VISUAL REFERNCE. ACCORDING TO THE PLT, HE LEVELED THE ACFT'S WINGS AND PULLED BACK ON THE YOKE JUST PRIOR TO GROUND CONTACT. THE PVT PLT WAS NOT INSTRUMENT RATED AT THE TIME OF THE ACCIDENT.

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: 115 hours in all; 4 in this make and model; 25 in the last 90 days; 10 in the last 30 days; 80 as pilot in command
  • Medical certificate: Class 3 (valid medical--no waivers/lim.)
  • Seat: left

The aircraft

  • Last inspection: 100-hour inspection
  • Maximum gross weight: 2,150 lb
  • Seats: 4
  • Landing gear: fixed
  • Engine: Lycoming O-320-H2AD (piston); 0 hours total

The flight

  • Departed from: LGU Logan UT at 4:55 am
  • Flight plan: none
  • Runway 0

Weather at the time

  • Light: night, dark
  • Visibility: 2 statute miles
  • Sky: clear
  • Temperature: 23°F (-5°C), dew point 18°F (-8°C)
  • Altimeter: 30.00 inHg

Injuries

FatalSeriousMinorNone
Crew1
Passengers2

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.