# NTSB investigations: Ayres S2R-T34 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. Page 2 of 2 · 68 cases ## Cases, newest first - [NTSB FTW94LA118](https://openairdocs.org/ntsb/FTW94LA118.md): Ayres S2R-T34 · Elaine, AR · Accident · 1 fatal · Limited investigation · Final report · Apr 5, 1994 · N3094F · Substantial damage > The pilot's failure to maintain terrain clearance. - [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 LAX93LA290](https://openairdocs.org/ntsb/LAX93LA290.md): Ayres S2R-T34 · Buckeye, AZ · Accident · Minor injuries · Limited investigation · Final report · Jul 15, 1993 · N40203 · Destroyed > the pilot's failure to visually detect and avoid a power line. A factor in the accident was the twilight light condition. - [NTSB FTW93LA189](https://openairdocs.org/ntsb/FTW93LA189.md): Ayres S2R-T34 · Weiner, AR · Accident · No injuries · Limited investigation · Final report · Jun 14, 1993 · N3098W · Substantial damage > Proper rotation speed not attained by the pilot - [NTSB FTW93LA171](https://openairdocs.org/ntsb/FTW93LA171.md): Ayres SR2-T34 · Harrisburg, AR · Accident · No injuries · Limited investigation · Final report · May 31, 1993 · N6051F · Substantial damage > The loss of engine power due to the failure of the reduction gear assembly due to fatigue. A factor was the lack of suitable terrain for the forced landing. - [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 FTW91DPG05](https://openairdocs.org/ntsb/FTW91DPG05.md): Ayres S2R-T34 · Wheatley, AR · Accident · 1 fatal · Final report · May 2, 1991 · N4015Z · Minor damage > The failure of the flagman to follow established procedures. - [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 MIA90FA190](https://openairdocs.org/ntsb/MIA90FA190.md): Ayres S2R-T34 · Thornton, MS · Accident · 1 fatal · Field investigation · Final report · Sep 26, 1990 · N4017B · Destroyed > The improper drilling of a hole in the spar cap by a mechanic resulting in the initiation of fatigue cracking in the spar cap and subsequent failure of the spar cap and inflight separation of the wing. - [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 SEA86LA158](https://openairdocs.org/ntsb/SEA86LA158.md): Ayres S2RT34 · Jordan Valley, OR · Accident · 1 fatal · Limited investigation · Final report · Jun 30, 1986 · N4013D · Destroyed > Witnesses observed at acft make a 2-5 foot pass over water going north, a 180 degree turn and a 2 foot AGL run to south. The acfts left main landing gear touched water bouncing the right wing on water. Acft pitched up, rolled inverted and crashed on south… - [NTSB LAX81DVA63](https://openairdocs.org/ntsb/LAX81DVA63.md): Ayres S2R · Huron, CA · Accident · No injuries · Closed · Sep 17, 1981 · N40110 · Substantial damage - [NTSB FTW80FQG26](https://openairdocs.org/ntsb/FTW80FQG26.md): Ayres S-2R · Seminole, TX · Accident · No injuries · Closed · Jun 14, 1980 · N4017B · Substantial damage - [NTSB LAX80DVG44](https://openairdocs.org/ntsb/LAX80DVG44.md): Aero Comdr 600S2R · Colusa, CA · Accident · Minor injuries · Closed · Jun 2, 1980 · N4017D · Destroyed - [NTSB MIA79FKG58](https://openairdocs.org/ntsb/MIA79FKG58.md): Ayres S2R · Leesburg, GA · Accident · Serious injuries · Closed · Aug 4, 1979 · N4004U · 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."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&page=2 --- 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.