# NTSB investigations: Ayres S2R-T34, CA 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 WPR23LA333](https://openairdocs.org/ntsb/WPR23LA333.md): Ayres S2R-T34 · Three Rocks, CA · Accident · No injuries · Class 4 · Limited · Final report · Sep 1, 2023 · N61373 · Substantial damage > The airplane’s exceedance of the critical angle of attack, resulting in an aerodynamic stall and impact with terrain. - [NTSB WPR15LA176](https://openairdocs.org/ntsb/WPR15LA176.md): Ayres S2R T34 · Blythe, CA · Accident · 1 fatal · Limited investigation · Final report · Jun 2, 2015 · N4018Q · Destroyed > The pilot's failure to maintain adequate airspeed while maneuvering, which resulted in the airplane exceeding its critical angle-of-attack and experiencing an aerodynamic stall. - [NTSB WPR10CA225](https://openairdocs.org/ntsb/WPR10CA225.md): Ayres S2R-T34 · Yuba City, CA · Accident · No injuries · Data collection · Final report · May 3, 2010 · N6018T · Substantial damage > The pilot's failure to maintain directional control during the landing roll. - [NTSB WPR09LA228](https://openairdocs.org/ntsb/WPR09LA228.md): Ayres S2R-T34 · Marysville, CA · Accident · Serious injuries · Limited investigation · Final report · May 6, 2009 · N40208 · 2 aircraft · Substantial damage > The failure of both pilots to see and avoid the other airplane while making their final approach for landing. - [NTSB LAX05CA250](https://openairdocs.org/ntsb/LAX05CA250.md): Ayres S2R-134 · Kerman, CA · Accident · No injuries · Data collection · Final report · Jul 30, 2005 · N4003Z · Substantial damage > the pilot's failure to obtain an adequate airspeed during an attempted takeoff. - [NTSB LAX05LA100](https://openairdocs.org/ntsb/LAX05LA100.md): Ayres S2R · Firebaugh, CA · Accident · 1 fatal · Limited investigation · Final report · Feb 18, 2005 · N4009M · Substantial damage > the loss of engine power during takeoff climb resulting from the fatigue failure of one of the compressor turbine blades; the cause of the fatigue failure could not be definitively determined. - [NTSB LAX02LA226](https://openairdocs.org/ntsb/LAX02LA226.md): Ayres S2R-T34 · Firebaugh, CA · Accident · No injuries · Limited investigation · Final report · Jul 13, 2002 · N4020Y · Substantial damage > The overload fracture and separation of the left main gear strut assembly due the left landing gear's encounter with a chuck hole in the private airstrip's asphalt pavement. A factor in the accident was the inadequate maintenance of the airstrip's surface. - [NTSB LAX93LA306](https://openairdocs.org/ntsb/LAX93LA306.md): Ayres S-2R-T34 · Tulare, CA · Accident · No injuries · Limited investigation · Final report · Jul 29, 1993 · N4016B · Substantial damage > the failure of the main gear inner lower tube assembly due to fatigue. - [NTSB LAX92LA300](https://openairdocs.org/ntsb/LAX92LA300.md): Ayres S2R-T34 · Five Points, CA · Accident · No injuries · Limited investigation · Final report · Jul 16, 1992 · N3105V · Substantial damage > The failure of airport personnel to perform the necessary runway maintenance. Contributing to this accident was the dark night and high vegetation. - [NTSB LAX92FA149](https://openairdocs.org/ntsb/LAX92FA149.md): Ayres S2R-T34 · Bakersfield, CA · Accident · Serious injuries · Field investigation · Final report · Mar 23, 1992 · N59SK · Destroyed > A catastrophic wing spar failure precipitated by hidden corrosion and the restricted view of the area of corrosion by the airplane's wing structure. - [NTSB LAX91DUM02](https://openairdocs.org/ntsb/LAX91DUM02.md): Ayres S2RT-T34 · El Centro, CA · Accident · Serious injuries · Final report · Oct 17, 1990 · N4001M · Destroyed > Collision with a ground object after the pilot successfully made a night time emergency landing after experiencing an engine power interruption for undetermined reasons. - [NTSB LAX88DVA14](https://openairdocs.org/ntsb/LAX88DVA14.md): Ayres S2R-T34 · Five Points, CA · Accident · Minor injuries · Final report · Sep 2, 1988 · N4009M · Substantial damage > Plt was engaged in aerial application and had been overflying power lines. On last pass, plt elected to fly beneath power lines, struck bracing wire between poles with vertical fin, disabling elevator. The acft crashed nose down in a field in an uncontrolled… - [NTSB LAX88DVA10](https://openairdocs.org/ntsb/LAX88DVA10.md): Ayres S2R-T34 · Huron, CA · Accident · No injuries · Final report · Aug 14, 1988 · N40071 · Substantial damage > During an aerial application flight at night, the airplane's vertical stabilizer collided with a transmission wire. Subsequently, the vertical stabilizer & rudder were dislocated & directional control was lost. Realizing he had lost directional control, the… - [NTSB LAX87DVA09](https://openairdocs.org/ntsb/LAX87DVA09.md): Ayres S2R-T34 · Mendota, CA · Accident · No injuries · Final report · May 21, 1987 · N4012Y · Substantial damage > During an agricultural application flight, the aircraft struck a pole that was located 30 feet within the field boundary. The pilot stated that due to the dawn light and the way the pole blended in with the field along with a light amount of chemical on the… - [NTSB LAX81DVA63](https://openairdocs.org/ntsb/LAX81DVA63.md): Ayres S2R · Huron, CA · Accident · No injuries · Closed · Sep 17, 1981 · N40110 · Substantial damage - [NTSB LAX80DVG44](https://openairdocs.org/ntsb/LAX80DVG44.md): Aero Comdr 600S2R · Colusa, CA · Accident · Minor injuries · Closed · Jun 2, 1980 · N4017D · Destroyed ## 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."eventStateOrRegion" = 'CA' AND c."eventCountry" = 'USA' AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('0970106')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?model=0970106&state=CA --- 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.