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Accidents · NTSB LAX00LA046 · Final report

Aeronca 11AC accident near Sedona, Arizona, November 29, 1999

On November 29, 1999 at about 2:31 am local time, a Aeronca 11AC, registered N3933E, was substantially damaged in an accident near Sedona, Arizona (Sedona 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 inadequate compensation for the crosswind conditions and subsequent failure to maintain directional control of the airplane.

Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.

What the record shows

Date
November 29, 1999 · about 2:31 am local time
Place
Sedona, Arizona · Sedona · map
Type
Accident
Injuries
No one was hurt; 1 person was on board or involved.
Weather
visual conditions (good weather)
Aircraft
Aeronca 11AC · all 11ACs on the register
Registration
N3933E · registry record · serial 11BC-15
Damage
Substantial damage
Flight
Personal flight · general aviation rules (Part 91)

The NTSB's narrative final · quoted from the NTSB record

The pilot said he was making a normal approach to runway 3 after he received ASOS weather information from the airport, which stated that the winds were from 070 degrees at 5 knots. He said the approach was normal and the landing was smooth. Immediately after touchdown, a gust of wind caused the airplane to begin to ground loop. The airplane rotated 90 degrees to the left, departed the runway, and struck an electrical box with the right wing. The pilot stated there were no mechanical malfunctions or failures with the airplane.

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: 255 hours in all; 43 in this make and model; 26 in the last 90 days; 10 in the last 30 days; 216 as pilot in command
  • Medical certificate: Class 3 (valid medical--no waivers/lim.)
  • Seat: left

The aircraft

  • Airframe total time: 2,831 hours
  • Last inspection: annual inspection, April 10, 1999; 127 hours since
  • Maximum gross weight: 1,500 lb
  • Seats: 2
  • Landing gear: fixed
  • Engine: Continental C-85-8F (piston); 0 hours total

The flight

  • Departed from: DVT Deer Valley AZ at 3:15 pm
  • Flight plan: none
  • Runway 3, 5,132 ft by 75 ft

Weather at the time

  • Light: daylight
  • Wind: from 070° at 5 knots
  • Visibility: 10 statute miles
  • Sky: scat at 7,000 ft
  • Temperature: 45°F (7°C), dew point 7°F (-14°C)
  • Altimeter: 30.00 inHg
  • Observation at 1:54 am from SEZ, 1 miles away

Injuries

FatalSeriousMinorNone
Crew1

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.