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Accidents · NTSB DEN02FA080 · Final report

Cessna 177B accident near Crowheart, Wyoming, July 27, 2002

On July 27, 2002 at about 1:40 pm local time, a Cessna 177B, registered N34859, was destroyed in an accident near Crowheart, Wyoming. It was a personal flight under general aviation rules (Part 91). 2 people were killed. The weather was visual conditions (good weather).

The NTSB's probable cause their words, unchanged

the pilot's failure to maintain clearance of the high mountain terrain. Contributing factors were the high mountain terrain, and the high density altitude weather condition.

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

What the record shows

Date
July 27, 2002 · about 1:40 pm local time
Place
Crowheart, Wyoming · map
Type
Accident
Injuries
2 people were killed.
Weather
visual conditions (good weather)
Aircraft
Cessna 177B · all 177Bs on the register
Registration
N34859 · no longer on the register · serial 17702050
Damage
Destroyed
Flight
Personal flight · general aviation rules (Part 91)

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

Approximately 37 minutes after departure, radar data indicates that the airplane was climbing through 10,500 feet, with a 245 degree ground track. The last radar return was approximately 4 nm from the impact point. The airplane was found approximately 100 feet below a saddle (elevation 11,200 feet) of two mountain summits. The airplane's Owner's Manual indicates that the service ceiling was 14,600 feet. The density altitude was calculated to be 12,278 feet.

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: flight instructor, commercial pilot
  • Ratings: multi-engine land; single-engine land; instructor: airplane single-engine; instructor: instrument airplane; instrument: airplane
  • Flight time: 2,550 hours in all
  • Medical certificate: Class 2 (valid medical--no waivers/lim.)
  • Seat: left
  • Injury: fatal

The aircraft

  • Airframe total time: 3,035 hours
  • Last inspection: annual inspection, April 12, 2002; 35 hours since
  • Maximum gross weight: 2,500 lb
  • Seats: 4
  • Landing gear: fixed
  • Engine: Lycoming O-360-A1F6D (piston); 0 hours total

The flight

  • Departed from: WRL Worland WY at 1:05 pm
  • Destination: MYL Mc Call ID
  • Flight plan: VFR

Weather at the time

  • Light: daylight
  • Wind: at 0 knots
  • Visibility: 10 statute miles
  • Sky: clear
  • Temperature: 64°F (18°C), dew point 45°F (7°C)
  • Altimeter: 30.34 inHg
  • Observation at 1:56 pm from RIW, 30 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.

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.