# NTSB investigations: Aeronca 11AC: Loss of control - on ground/water NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports. ## Latest cases - [NTSB LAX07CA161](https://openairdocs.org/ntsb/LAX07CA161.md): Aeronca 11AC · Glendale, AZ · Accident · No injuries · Data collection · Final report · May 12, 2007 · N85835 · Substantial damage > The private pilot's unstabilized approach and failure to maintain directional control during the landing roll, which resulted in a ground loop. Also causal was the instructor's inadequate supervision and failure to take remedial action. - [NTSB DFW06CA200](https://openairdocs.org/ntsb/DFW06CA200.md): Aeronca 11AC · Searcy, AR · Accident · No injuries · Data collection · Final report · Aug 23, 2006 · N9365E · Substantial damage > The student pilot's inadequate compensation for the existing wind conditions and the flight instructor's delayed remedial action to maintain directional control. A contributing factor was the crosswind. - [NTSB NYC00LA264](https://openairdocs.org/ntsb/NYC00LA264.md): Aeronca 11AC-991 · Gettysburg, PA · Accident · No injuries · Limited investigation · Final report · Sep 17, 2000 · N9354E · Substantial damage > The pilot's failure to maintain control of the airplane after landing which resulted in the inadvertent ground loop. - [NTSB LAX00LA046](https://openairdocs.org/ntsb/LAX00LA046.md): Aeronca 11AC · Sedona, AZ · Accident · No injuries · Limited investigation · Final report · Nov 29, 1999 · N3933E · Substantial damage > The pilot's inadequate compensation for the crosswind conditions and subsequent failure to maintain directional control of the airplane. - [NTSB CHI99LA318](https://openairdocs.org/ntsb/CHI99LA318.md): Aeronca 11BC · Watervliet, MI · Accident · No injuries · Limited investigation · Final report · Aug 28, 1999 · N9404E · Substantial damage > the pilot not maintaining aircraft control during takeoff, and the pilot not correcting for the porpoise. - [NTSB IAD99LA055](https://openairdocs.org/ntsb/IAD99LA055.md): Aeronca 11BC · Millbrook, NY · Accident · No injuries · Limited investigation · Final report · Jul 17, 1999 · N3756E · Substantial damage > was the pilot's inadequate compensation for winds and his failure to maintain directional control. - [NTSB CHI95LA084](https://openairdocs.org/ntsb/CHI95LA084.md): Aeronca 11AC · Kenosha, WI · Accident · No injuries · Limited investigation · Final report · Feb 6, 1995 · N9025E · Substantial damage > the student's failure to maintain directional control during the landing roll. - [NTSB MIA94LA180](https://openairdocs.org/ntsb/MIA94LA180.md): Aeronca 11AC · Lutz, FL · Accident · No injuries · Limited investigation · Final report · Jul 19, 1994 · N9354E · Substantial damage > The certified flight instructor's improper supervision of the student pilot during a wheel landing resulting in an on ground loss of control (inadvertent ground loop). Contributing to the accident was the student pilot's improper use of flight controls and… - [NTSB NYC93LA009](https://openairdocs.org/ntsb/NYC93LA009.md): Aeronca 11-AC · Columbus, OH · Accident · No injuries · Limited investigation · Final report · Oct 8, 1992 · N9486E · Substantial damage > The pilot failed to maintain control of the airplane, resulting the airplane departing the runway and impacted with the VASI lights. - [NTSB LAX91LA201](https://openairdocs.org/ntsb/LAX91LA201.md): Aeronca 11AC · Madera, CA · Accident · No injuries · Limited investigation · Final report · May 6, 1991 · N86295 · Substantial damage > That the pilot failed to properly recover from a bounced landing. Contributing to this accident was the pilot's lack of experience in the airplane. - [NTSB ATL91LA058](https://openairdocs.org/ntsb/ATL91LA058.md): Aeronca 11AC · Union Springs, AL · Accident · No injuries · Limited investigation · Final report · Feb 16, 1991 · N85880 · Substantial damage > The pilot's failure to maintain directional control of the airplane during the landing roll, which resulted in an inadvertent ground swerve. - [NTSB ANC90FA052](https://openairdocs.org/ntsb/ANC90FA052.md): Aeronca 11AC · Chugiak, AK · Accident · No injuries · Field investigation · Final report · Apr 8, 1990 · N86060 · Substantial damage > Failure of the pilot to maintain directional control, which resulted in an inadvertent ground swerve. Factors related to the accident were: the crosswind and snow covered terrain beside the runway. - [NTSB CHI90LA058](https://openairdocs.org/ntsb/CHI90LA058.md): Aeronca 11AC · Chillicothe, OH · Accident · No injuries · Limited investigation · Final report · Dec 28, 1989 · N3647E · Substantial damage > Improper planning/decision by the student pilot, which resulted in a landing on a slick runway, and his failure to maintain directional control during the landing, which resulted in his inability to maintain runway alignment. Contributing factors were: the… - [NTSB LAX90LA003](https://openairdocs.org/ntsb/LAX90LA003.md): Aeronca 11AC · Penn Valley, CA · Accident · No injuries · Limited investigation · Final report · Oct 5, 1989 · N85837 · Substantial damage > Failure of the pilot to maintain directional control during the landing roll-out, which resulted in an inadvertent ground swerve. Uneven terrain beside the runway was a factor. - [NTSB MIA89LA047](https://openairdocs.org/ntsb/MIA89LA047.md): Aeronca 11AC · Tampa, FL · Accident · Minor injuries · Limited investigation · Final report · Dec 6, 1988 · N86073 · Substantial damage > The plt stated that he failed to maintain directional control during landing in a crosswind. He further stated that he aggravated the loss of control by over-application of the controls and adding full throttle which led to the aircraft departing the rwy and… - [NTSB BFO88LA074](https://openairdocs.org/ntsb/BFO88LA074.md): Aeronca 11AC · Gaithersburg, MD · Accident · No injuries · Limited investigation · Final report · Aug 21, 1988 · N86346 · Substantial damage > The pilot reported that the local winds were varying from 340 degrees to 360 degrees at 12 knots gusting to 20 knots. The pilot stated that he lost directional control due to gusty winds while on landing roll. The aircraft contacted a VASI light and then a… - [NTSB LAX88LA092](https://openairdocs.org/ntsb/LAX88LA092.md): Aeronca 11AC · Lakeport, CA · Accident · No injuries · Limited investigation · Final report · Jan 20, 1988 · N9416E · Substantial damage > During ldg rollout the acft veered off the rwy, went into a ditch & collided with terrain causing substantial damage. The surface winds were estimated at only 5 KTS. The plt acknowledged that the accident might have been prevented if he had been less… - [NTSB CHI87LA075](https://openairdocs.org/ntsb/CHI87LA075.md): Aeronca 11AC · Dodgeville, WI · Accident · No injuries · Limited investigation · Final report · Feb 5, 1987 · N86079 · Substantial damage > While taxiing after landing on runway 12, a tailwind was encountered. The acft spun around, slid backwards off the rwy, down a steep embankment and struck a large rock. The plt reported winds from 270 degrees at 12 knots gusting to 18 knots. - [NTSB ANC85LA161](https://openairdocs.org/ntsb/ANC85LA161.md): Aeronca 11AC · Dillingham, AK · Accident · No injuries · Limited investigation · Final report · Aug 25, 1985 · N86090 · Substantial damage > The pilot stated that approximately 200 ft into the rollout the right wing lifted into the air, veering the plane to the right losing directional control of the aircraft causing the aircraft to exit the runway into a gravel pit. - [NTSB NYC83IA040](https://openairdocs.org/ntsb/NYC83IA040.md): Aeronca 11AC · Monticello, NY · Incident · No injuries · Incident investigation · Final report · Dec 7, 1982 · N3809E · Minor damage > As the flight made a three point landing in strong, gusting, left crosswinds, a gust of wind lifted the aircraft's left wing. Directional control was lost and the aircraft departed the right side of the runway. It came to rest at the bottom of a grassy slope… - [NTSB ANC82DA077](https://openairdocs.org/ntsb/ANC82DA077.md): Aeronca 11AC · Soldotna, AK · Accident · No injuries · Final report · Aug 28, 1982 · N9804E · Substantial damage > The student pilot was practicing takeoffs and landings. He stated that during a landing, the aircraft ground looped to the left, went off the runway and went into soft dirt. When the soft dirt was encountered, the landing gear and propeller were damage. - [NTSB LAX82IA086](https://openairdocs.org/ntsb/LAX82IA086.md): Aeronca 11AC · Weldon, CA · Incident · Minor injuries · Incident investigation · Final report · Feb 27, 1982 · N9361E · Minor damage > Pilot stated that while at cruise, the engine began running rough and a precautionary landing was executed. During the touchdown, the aircraft struck a bump disconnecting the steering springs. He then lost directional control, striking a tree and fence on the… ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1 WHERE c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('0191102') AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 260)) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?model=0191102&occurrence=260 --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.