Cessna TU206G accident near Greybull, Wyoming, October 24, 1986
On October 24, 1986 at about 6:37 pm local time, a Cessna TU206G, registered N6277Z, was substantially damaged in an accident near Greybull, Wyoming. It was a personal flight under general aviation rules (Part 91). No one was hurt; 2 people were on board or involved. The weather was visual conditions (good weather).
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
- October 24, 1986 · about 6:37 pm local time
- Place
- Greybull, Wyoming · map
- Type
- Accident
- Injuries
- No one was hurt; 2 people were on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Cessna TU206G · all TU206Gs on the register
- Registration
- N6277Z · registry record · serial U20606211
- Damage
- Substantial damage
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
THE PLT DEPARTED AURORA, CO AT 1000 EN ROUTE TO GREAT FALLS, MT AT 8000 FT MSL. AT 1237 THE PLT ADVISED WORLAND FSS THAT THE ENG HAD LOST POWER AND HE WAS GOING DOWN. THE PLT SAID THAT ON FINAL APCH HE HAD TO PULL UP TO AVOID POWER LINES. THE ACFT STALLED AND NOSED INTO GROUND. THE CRASH SITE WAS 5 MI EAST OF GREYBULL, WY. THE FUEL SELECTOR VALVE WAS POSITIONED ON THE LEFT TANK. THE LEFT TANK WAS FOUND TO BE EMPTY AND THE RIGHT TANK WAS FULL. THE ACFT HAS 2 FUEL TANKS, EACH HOLDS 46 GALS (44 USABLE). THE DISTANCE FROM AURORA TO GREYBULL IS APRX 354 NAUTICAL MI. TIME EN ROUTE WAS APRX 2 HRS, 37 MIN. THIS COMPUTES TO AVERAGE 136.2 KTS GROUND SPEED. PERFORMANCE CHART FOR 8000 FOOT PRESSURE ALT GIVES A NUMBER OF POWER SETTINGS THAT WILL YIELD AVERAGE FUEL CONSUMPTION RATES BETWEEN 10.3 AND 17.8 GPH AND AVERAGE TRUE AIRSPEED BETWEEN 111 AND 151 KTS.
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: 1,406 hours in all; 524 in this make and model; 21 in the last 90 days; 1,386 as pilot in command
- Medical certificate: Class 1 (valid medical--no waivers/lim.)
- Seat: left
The aircraft
- Airframe total time: 26 hours
- Last inspection: annual inspection; 26 hours since
- Maximum gross weight: 3,600 lb
- Seats: 6
- Landing gear: fixed
- Engine: Continental TSIO-520-M (piston); 0 hours total
The flight
- Departed from: APA Englewood CO at 4:00 pm
- Destination: GTF Great Falls MT
- Flight plan: VFR
- Runway 0
Weather at the time
- Light: daylight
- Visibility: 40 statute miles
- Sky: clear
- Temperature: 48°F (9°C), dew point 37°F (3°C)
- Altimeter: 30.00 inHg
- Observation at 4:50 pm from WRL, 34 miles away
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 1 | |||
| Passengers | 1 |
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 N6277Z the same tail number, which may have belonged to a different aircraft at the time
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.