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Accidents · NTSB SEA91LA224 · Final report

Cessna 172K accident near Corbett, Oregon, August 28, 1991

On August 28, 1991 at about 11:30 pm local time, a Cessna 172K, registered N6LG, was substantially damaged in an accident near Corbett, Oregon. It was a personal flight under general aviation rules (Part 91). 1 person had minor injuries; 1 other was unhurt. The weather was instrument conditions (cloud, fog or low visibility).

The NTSB's probable cause their words, unchanged

THE PILOT'S IMPROPER IN-FLIGHT PLANNING/DECISION, HIS DELAY IN TAKING REMEDIAL ACTION, AND HIS FAILURE TO MAINTAIN CLEARANCE FROM TREES ON RISING TERRAIN. THE WEATHER AND TERRAIN CONDITIONS WERE RELATED FACTORS.

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

What the record shows

Date
August 28, 1991 · about 11:30 pm local time
Place
Corbett, Oregon · map
Type
Accident
Injuries
1 person had minor injuries; 1 other was unhurt.
Weather
instrument conditions (cloud, fog or low visibility)
Aircraft
Cessna 172K · all 172Ks on the register
Registration
N6LG · no longer on the register · serial 17258465
Damage
Substantial damage
Flight
Personal flight · general aviation rules (Part 91)

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

WHILE FOLLOWING TWO OTHER AIRCRAFT IN LOOSE FORMATION OVER MOUNTAINOUS TERRAIN, THE PILOT OBSERVED THAT THE OTHER TWO AIRCRAFT DISAPPEARED BEHIND A RAGGED CLOUD. HE ELECTED TO MAKE A COURSE REVERSAL, BUT FOUND THAT HE HAD INADEQUATE TERRAIN CLEARANCE. THE AIRCRAFT STRUCK TREES ON RISING TERRAIN AND CRASHED.

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: 1,341 hours in all; 1,291 in this make and model; 30 in the last 90 days; 10 in the last 30 days; 1,278 as pilot in command
  • Medical certificate: Class 3 (valid medical--no waivers/lim.)
  • Seat: unk

The aircraft

  • Last inspection: inspection type not recorded; 0 hours since
  • Maximum gross weight: 2,300 lb
  • Seats: 4
  • Landing gear: fixed
  • Engine: Lycoming O-320-D2G (piston); 0 hours total

The flight

  • Departed from: 7S5 Independence OR at 11:00 pm
  • Destination: DLS The Dalles OR
  • Flight plan: none
  • Runway 0

Weather at the time

  • Light: daylight
  • Wind: from 070° at 4 knots
  • Sky: not recorded
  • Temperature: 61°F (16°C), dew point 59°F (15°C)
  • Observation at 11:30 pm from CZK, 5 miles away

Injuries

FatalSeriousMinorNone
Crew1
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 N6LG the same tail number, which may have belonged to a different aircraft at the time

1993-07-02SEA93LA146 · accident near Independence, OR · destroyed · fatal

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.