Cessna 337 accident near Boise, Idaho, March 26, 1991
On March 26, 1991 at about 2:48 pm local time, a Cessna 337, registered N2107X, was destroyed in an accident near Boise, Idaho (Boise Air Terminal airport). It was a positioning 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 PILOT'S FAILURE TO REMOVE THE AIRCRAFT CONTROL LOCKS PRIOR TO ATTEMPTING FLIGHT. FACTORS INCLUDE AN INADEQUATE PREFLIGHT.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- March 26, 1991 · about 2:48 pm local time
- Place
- Boise, Idaho · Boise Air Terminal · map
- Type
- Accident
- Injuries
- 1 person was killed.
- Weather
- visual conditions (good weather)
- Aircraft
- Cessna 337 · all 337s on the register
- Registration
- N2107X · no longer on the register · serial 3370007
- Damage
- Destroyed
- Flight
- Positioning flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
THE PILOT OF THE CESSNA 337 FAILED TO REMOVE THE AIRCRAFT'S CONTROL LOCKS. THE AIRCRAFT CRASHED ONTO THE AIRPORT RAMP AREA AFTER TAKING OFF, CLIMBING STEEPLY, AND ROLLING PARTIALLY INVERTED BEFORE IMPACTING NOSE LOW AND LEFT WING DOWN, IN AN APPROXIMATE 95 DEGREE BANK.
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: multi-engine land; single-engine land; instrument: airplane
- Flight time: 8,000 hours in all; 160 in this make and model; 80 in the last 90 days; 40 in the last 30 days; 7,800 as pilot in command
- Medical certificate: Class 2 (valid medical--w/ waivers/lim.)
- Seat: unk
The aircraft
- Last inspection: inspection type not recorded; 0 hours since
- Maximum gross weight: 4,200 lb
- Seats: 2
- Landing gear: retractable
- Engine: Continental IO-360C & D (piston); 0 hours total
- Fire on the ground
- Operator: Rma, INC.
The flight
- Destination: GEG Spokane WA
- Flight plan: IFR
- Runway 1, 7,400 ft by 150 ft
Weather at the time
- Light: daylight
- Wind: from 120° at 5 knots
- Visibility: 50 statute miles
- Sky: broken clouds at 22,000 ft; scat at 9,000 ft
- Temperature: 0°F (-18°C), dew point 0°F (-18°C)
- Altimeter: 29.00 inHg
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.