Beech BB-55 accident near Duchesne, Utah, May 31, 1984
On May 31, 1984 at about 3:30 am local time, a Beech BB-55, registered N6757Z, was destroyed in an accident near Duchesne, Utah. It was a personal flight under general aviation rules (Part 91). 1 person was killed. 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
- May 31, 1984 · about 3:30 am local time
- Place
- Duchesne, Utah · map
- Type
- Accident
- Injuries
- 1 person was killed.
- Weather
- visual conditions (good weather)
- Aircraft
- Beech BB-55
- Registration
- N6757Z · no longer on the register · serial TC-2324
- Damage
- Destroyed
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
ACFT COLLIDED WITH A MOUNTAIN AT AN ELEVATION OF 12,000 FT MSL. WX AT ROOSEVELT, UT, 42 NM SE OF THE ACCIDENT SITE AT 2030 MDT WAS ESTIMATED 7,000 FT BKN, 25,000 FT BKN, 40 MILES VISIBILITY, 70 DEG F, WITH CUMULUS NIMBUS CLOUDS NE AND SE. RADAR SUMMARY CHARTS SHOW NUMEROUS SCATTERED SHOWERS AND THUNDERSTORMS THROUGHOUT THE AREA AS WERE FORECAST. ACCIDENT OCCURRED APRX 6 MILES NORTH OF VICTOR AIRWAY 101. MINIMUM EN RUOTE ALT FOR V101 IS 15,000 FT MSLWITH A MINIMUM OBSTRUCTION CLEARANCE ALT OF 14,600 FT MSL. NO FLIGHT PLAN WAS FILED FOR THE FLT AND THE ACFT WAS NOT UNDER RADAR CONTACT. NO RECORD OF THE PLT OBTAINING A WX BRIEFING BEFORE THE FLT COULD BE FOUND.
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: multi-engine land; single-engine land; instrument: airplane
- Flight time: 1,012 hours in all; 199 in this make and model; 20 in the last 90 days
- Medical certificate: Class 3 (valid medical--no waivers/lim.)
- Seat: left
The aircraft
- Airframe total time: 155 hours
- Last inspection: inspection type not recorded
- Maximum gross weight: 5,100 lb
- Seats: 6
- Landing gear: retractable
- Engine: Continental IO-470-L (piston); 0 hours total
- Fire on the ground
The flight
- Departed from: SLC Salt Lake City UT at 3:09 am
- Destination: APA Englewood CO
- Flight plan: none
- Runway 0
Weather at the time
- Light: night, dark
- Visibility: 40 statute miles
- Sky: broken clouds at 700 ft; not recorded at 700 ft
- Temperature: 0°F (-18°C), dew point 0°F (-18°C)
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 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.
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.