Aeronca 11BC accident near Heber City, Utah, September 1, 1999
On September 1, 1999 at about 10:15 pm local time, a Aeronca 11BC, registered N86096, was substantially damaged in an accident near Heber City, Utah (Heber City Municipal airport). It was a personal flight under general aviation rules (Part 91). No one was hurt; 1 person was on board or involved. The weather was visual conditions (good weather).
The NTSB's probable cause their words, unchanged
The pilot's failure to maintain aircraft control during takeoff roll. Factors were the gusting crosswind conditions, and the airport sign.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- September 1, 1999 · about 10:15 pm local time
- Place
- Heber City, Utah · Heber City Municipal · map
- Type
- Accident
- Injuries
- No one was hurt; 1 person was on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Aeronca 11BC · all 11BCs on the register
- Registration
- N86096 · registry record · serial 29995-7-8
- Damage
- Substantial damage
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
The pilot reported that during the takeoff roll on runway 21, a gust of wind lifted his right wing. He said that he reduced the power to idle, but the airplane departed the left side of the runway and impacted an airport 'light stand.' He pilot had the airplane examined by a mechanic, and the pilot continued his flight the following morning. The airplane's left rear strut was subsequently replaced. The pilot reported that the sign was approximately 630 feet from the point where power was first applied, and that the sign was approximately 54 feet left of the runway's edge.
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: 371 hours in all; 95 in this make and model; 30 in the last 90 days; 20 in the last 30 days
- Medical certificate: Class 3 (valid medical--w/ waivers/lim.)
- Seat: left
The aircraft
- Airframe total time: 564 hours
- Last inspection: annual inspection, June 2, 1999; 10 hours since
- Maximum gross weight: 1,250 lb
- Seats: 2
- Landing gear: fixed
- Engine: Continental O-200-A (piston); 0 hours total
The flight
- Departed from: 36U at 2:30 pm
- Destination: PNA Pinedale WY
- Flight plan: none
- Runway 21, 6,900 ft by 75 ft
Weather at the time
- Light: daylight
- Wind: from 200° at 12 knots
- Visibility: 10 statute miles
- Sky: clear
- Temperature: 82°F (28°C), dew point 48°F (9°C)
- Altimeter: 29.00 inHg
- Observation at 10:55 pm from PVU, 20 miles away
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.