Beech F33A accident near Ogden, Utah, February 13, 1991
On February 13, 1991 at about 6:47 pm local time, a Beech F33A, registered N66841, was destroyed in an accident near Ogden, Utah. It was a personal flight under general aviation rules (Part 91). 4 people were killed. The weather was visual conditions (good weather).
The NTSB's probable cause their words, unchanged
THE PILOT ELECTED TO FLY INTO KNOWN ADVERSE WEATHER AND ENCOUNTERED ICING CONDITIONS. CONTRIBUTING TO THE ACCIDENT WAS THE PILOT'S INADEQUATE EVALUATION OF THE WEATHER AND A LOSS OF ENGINE POWER FOR UNDETERMINED REASONS.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- February 13, 1991 · about 6:47 pm local time
- Place
- Ogden, Utah · map
- Type
- Accident
- Injuries
- 4 people were killed.
- Weather
- visual conditions (good weather)
- Aircraft
- Beech F33A · all F33As on the register
- Registration
- N66841 · registry record · serial CE-888
- Damage
- Destroyed
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
DURING THE CLIMB TO CRUISE PHASE, SHORTLY AFTER TAKEOFF, THE PILOT REPORTED THAT THE AIRPLANE WAS PICKING UP RIME ICE AND THE ENGINE WAS RUNNING ROUGH. THE FLIGHT WAS CLEARED TO RETURN TO THE AIRPORT, HOWEVER, THE FLIGHT WAS UNABLE TO RETURN AND WAS DITCHED IN THE GREAT SALT LAKE. THE AIRPLANE WAS NOT RECOVERED.
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: commercial pilot
- Ratings: single-engine land; instrument: airplane
- Flight time: 3,000 hours in all; 800 in this make and model
- Medical certificate: Class 3 (valid medical--no waivers/lim.)
- Seat: unk
The aircraft
- Last inspection: annual inspection, July 27, 1990
- Maximum gross weight: 3,400 lb
- Seats: 4
- Landing gear: retractable
- Engine: Continental IO-520-BB (piston); 0 hours total
The flight
- Destination: CIC Chico CA
- Flight plan: IFR
- Runway 0
Weather at the time
- Light: daylight
- Wind: from 120° at 6 knots
- Visibility: 5 statute miles
- Sky: overcast at 3,600 ft; scat at 2,000 ft
- Temperature: 43°F (6°C), dew point 0°F (-18°C)
- Altimeter: 30.00 inHg
- Observation at 6:50 pm from SLC, 39 miles away
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 1 | |||
| Passengers | 3 |
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.