# 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 1 of 2 · 68 cases

## Latest cases

- [NTSB CEN25LA406](https://openairdocs.org/ntsb/CEN25LA406.md): Ayres S2R-T34 · Beaman, IA · Accident · No injuries · Class 4 · Limited · Final report · Aug 26, 2025 · N393KW · Substantial damage
  > The pilot’s failure to maintain a proper glidepath during landing which resulted in a landing short of the runway.
- [NTSB CEN25LA297](https://openairdocs.org/ntsb/CEN25LA297.md): Ayres S2R · Akron, IA · Accident · Serious injuries · Class 3 · Limited · Preliminary report · Jul 28, 2025 · N524SL · Substantial damage
  > On July 28, 2025, about 1537 central daylight time, an Ayres Corporation S2R-T34 airplane, N524SL, sustained substantial damage when it was involved in an accident near Akron, Iowa. The pilot sustained serious injuries. The airplane was operated as a Title 14…
- [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 CEN22LA335](https://openairdocs.org/ntsb/CEN22LA335.md): Ayres S2R-T34 · Parkin, AR · Accident · 1 fatal · Class 3 · Limited · Final report · Jul 23, 2022 · N4046S · Destroyed
  > The pilot’s failure to maintain clearance from tower guy wires while maneuvering.
- [NTSB CEN21LA286](https://openairdocs.org/ntsb/CEN21LA286.md): Ayres S2R-T34 · Leoti, KS · Accident · Minor injuries · Class 3 · Limited · Final report · Jun 21, 2021 · N4328P · Substantial damage
  > The pilot’s loss of visibility in the cockpit due to foam created by the chemicals loaded in the hopper, which resulted in his inability to maintain airplane control during low-level flight and an impact with terrain. Contributing to the accident was the…
- [NTSB ERA20CA232](https://openairdocs.org/ntsb/ERA20CA232.md): Ayres S2R · Perry, GA · Accident · No injuries · Class 4 · Data collection · Final report · Jun 27, 2020 · N4032L · Substantial damage
  > The reported malfunction of the aileron flight control system during takeoff for reasons that could not be determined.
- [NTSB WPR20CA179](https://openairdocs.org/ntsb/WPR20CA179.md): Ayres S2R · Lenore, ID · Accident · No injuries · Class 4 · Data collection · Final report · Jun 12, 2020 · N40226 · Destroyed
  > The pilot's failure to maintain clearance from power lines while maneuvering during an aerial application flight, which resulted in a wire strike.
- [NTSB GAA20CA020](https://openairdocs.org/ntsb/GAA20CA020.md): Ayres S2R · Willacoochee, GA · Accident · Minor injuries · Data collection · Final report · Oct 11, 2019 · N3090C · Substantial damage
  > The pilot's failure to maintain clearance from power lines while maneuvering at low altitude.
- [NTSB CEN18FA201](https://openairdocs.org/ntsb/CEN18FA201.md): Ayres S2R · El Reno, OK · Accident · 1 fatal · Field investigation · Final report · May 30, 2018 · N2249B · Destroyed
  > The pilot's failure to maintain clearance from tower guy wires while maneuvering during an aerial application flight.
- [NTSB ERA15LA270](https://openairdocs.org/ntsb/ERA15LA270.md): Ayres S2R T34 · Climax, GA · Accident · No injuries · Limited investigation · Final report · Jul 9, 2015 · N524SL · Substantial damage
  > A loss of thrust on takeoff for reasons that could not be determined, because postaccident examination of the engine and propeller assembly did not reveal any mechanical anomalies that would have precluded normal operation.
- [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 CEN14CA283](https://openairdocs.org/ntsb/CEN14CA283.md): Ayres S2R T34 · Wilmont, AR · Accident · No injuries · Data collection · Final report · Jun 7, 2014 · N23034 · Substantial damage
  > Pilot's failure to verify the amount of chemical load on the airplane prior to takeoff which resulted in the airplane being heavier than expected. Contributing to the accident was loading crew not following the pilot's instructions.
- [NTSB CEN13LA414](https://openairdocs.org/ntsb/CEN13LA414.md): Ayres S2R-T41 · Coy, AR · Accident · Minor injuries · Limited investigation · Final report · Jul 10, 2013 · N2239B · Substantial damage
  > The propeller’s uncommanded reverse thrust during the landing flare due to improper rigging of the propeller’s governor linkage.
- [NTSB CEN13LA384](https://openairdocs.org/ntsb/CEN13LA384.md): Ayres S2R-T34 · Heth, AR · Accident · No injuries · Limited investigation · Final report · Jun 28, 2013 · N455JM · Substantial damage
  > The partial collapse of the right main landing gear during landing due to an improper previous weld repair to the right main landing gear and subsequent corrosion, which resulted in a loss of directional control and impact with terrain.
- [NTSB ERA13LA138](https://openairdocs.org/ntsb/ERA13LA138.md): Ayres S2R-T34 · Fort Gaines, GA · Accident · No injuries · Limited investigation · Final report · Feb 15, 2013 · N3095X · Substantial damage
  > The total loss of engine power due to fuel starvation as a result of debris in the fuel control unit.
- [NTSB CEN12FA521](https://openairdocs.org/ntsb/CEN12FA521.md): Ayres S2R-T34 · Lakin, KS · Accident · No injuries · Field investigation · Final report · Aug 6, 2012 · N365SM · Substantial damage
  > The pilot's failure to maintain clearance from the corn during an aerial application flight.
- [NTSB CEN11LA404](https://openairdocs.org/ntsb/CEN11LA404.md): Ayres S2R-T34 · Athleimer, AR · Accident · Minor injuries · Limited investigation · Final report · Jun 16, 2011 · N30902 · Substantial damage
  > Failure of the first stage planetary gearset in the propeller reduction gearbox, which resulted in catastrophic engine failure. Contributing to the failure was the misrepresentation of the gearset being zero-timed by the company that sold the gearset to the…
- [NTSB CEN11CA224](https://openairdocs.org/ntsb/CEN11CA224.md): Ayres S2R-T34 · Swan Lake, AR · Accident · Minor injuries · Data collection · Final report · Mar 12, 2011 · N92KM · Substantial damage
  > An in-flight collision with power lines following an encounter with a wind gust.
- [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 ERA09LA480](https://openairdocs.org/ntsb/ERA09LA480.md): Ayres S2R-T34 · Donalsonville, GA · Accident · Minor injuries · Limited investigation · Final report · Aug 10, 2009 · N2292E · Substantial damage
  > The failure of the right main gear strut due to an improper weld repair by maintenance personnel.
- [NTSB ERA09LA394](https://openairdocs.org/ntsb/ERA09LA394.md): Ayres S2R-T34 · Hertford, NC · Accident · 1 fatal · Limited investigation · Final report · Jul 10, 2009 · N357CA · Substantial damage
  > The in-flight collision with terrain for undetermined reasons.
- [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 WPR09CA190](https://openairdocs.org/ntsb/WPR09CA190.md): Ayres S2R-T34 · Cove, OR · Accident · Minor injuries · Data collection · Final report · Apr 9, 2009 · N114JP · Substantial damage
  > The pilot's failure to maintain adequate clearance from rising terrain while maneuvering.
- [NTSB CHI08CA212](https://openairdocs.org/ntsb/CHI08CA212.md): Ayres S2R-T34 · Clinton, IL · Accident · No injuries · Data collection · Final report · Jul 24, 2008 · N357CA · Substantial damage
  > The inadequate in-flight planning/decision making and the altitude/clearance not maintained by the pilot during the aerial application. A contributing factor was the guy wire.
- [NTSB DFW08CA155](https://openairdocs.org/ntsb/DFW08CA155.md): Ayres S2R-T34 · Des Arc, AR · Accident · No injuries · Data collection · Final report · May 27, 2008 · N3105E · Substantial damage
  > A total loss of engine power while maneuvering for undetermined reasons.
- [NTSB DFW06LA198](https://openairdocs.org/ntsb/DFW06LA198.md): Ayres S2R-T34 · Parkdale, AR · Accident · No injuries · Limited investigation · Final report · Aug 11, 2006 · N444HF · Substantial damage
  > The failure of a compressor turbine blade for undetermined reasons, which resulted in a total loss of engine power. A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB DFW06LA163](https://openairdocs.org/ntsb/DFW06LA163.md): Ayres S2R-T34 · Colt, AR · Accident · 1 fatal · Limited investigation · Final report · Jun 20, 2006 · N2292J · Destroyed
  > The pilot's failure to maintain clearance with the ground during an aerial application flight.
- [NTSB DFW06CA137](https://openairdocs.org/ntsb/DFW06CA137.md): Ayres S2R-T34 · Winchester, AR · Accident · No injuries · Data collection · Final report · May 19, 2006 · N283TA · Destroyed
  > The pilot's failure to abort the takeoff following the partial loss of engine power for undetermined reasons. A contributing factor was the rising embankment at the end of the runway.
- [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 DFW05LA182](https://openairdocs.org/ntsb/DFW05LA182.md): Ayres S2R-T34 · Bonita, LA · Accident · No injuries · Limited investigation · Final report · Jul 14, 2005 · N61220 · 2 aircraft · Substantial damage
  > The failure of the pilot to maintain adequate visual lookout, which resulted in a midair collision.
- [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 FTW04CA107](https://openairdocs.org/ntsb/FTW04CA107.md): Ayres S2R-T34 · Friona, TX · Accident · No injuries · Data collection · Final report · Apr 8, 2004 · N2320T · Substantial damage
  > The pilot's failure to maintain directional control during landing roll. Contributing factors were prevailing crosswind, rain, and the restricted vision from water on the windscreen, and a vehicle parked near the runway.
- [NTSB FTW04LA082](https://openairdocs.org/ntsb/FTW04LA082.md): Ayres S2R-T34 · Ville Platte, LA · Accident · No injuries · Limited investigation · Final report · Feb 19, 2004 · N3092H · Destroyed
  > The loss of engine power for undetermined reasons. A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB CHI03LA171](https://openairdocs.org/ntsb/CHI03LA171.md): Ayres S2R-T34 · Marked Tree, AR · Accident · Serious injuries · Limited investigation · Final report · Jun 19, 2003 · N4004U · Substantial damage
  > The pilot's failure to maintain clearance with the wire. Contributing factors were the low altitude flight/maneuver and the static wire.
- [NTSB LAX03LA122](https://openairdocs.org/ntsb/LAX03LA122.md): Ayres S2R-T34 · Avondale, AZ · Accident · No injuries · Limited investigation · Final report · Apr 1, 2003 · N30913 · Substantial damage
  > The pilot failed to maintain adequate visual lookout and did not maintain clearance from power lines. The backhoe's location, which caused the pilot to alter his planned flight path, was a factor.
- [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 FTW02LA161](https://openairdocs.org/ntsb/FTW02LA161.md): Ayres S2R-T34 · Aubrey, AR · Accident · No injuries · Limited investigation · Final report · May 24, 2002 · N4025Y · Substantial damage
  > The failure of a compressor turbine blade(s) for an undetermined reason.
- [NTSB FTW00LA195](https://openairdocs.org/ntsb/FTW00LA195.md): Ayres S2R-T34 · Anahuac, TX · Accident · Minor injuries · Limited investigation · Final report · Jul 5, 2000 · N2252N · Destroyed
  > The pilot's failure to maintain clearance with the power line. A factor was the lack of suitable terrain for the forced landing.
- [NTSB FTW00LA179](https://openairdocs.org/ntsb/FTW00LA179.md): Ayres S2R-T34 · Helena, AR · Accident · 1 fatal · Limited investigation · Final report · Jun 13, 2000 · N3096Z · Destroyed
  > The pilot's failure to maintain clearance with the power lines.
- [NTSB ATL98RA099](https://openairdocs.org/ntsb/ATL98RA099.md): Ayres S2R-T34 · San Jose Del, Colombia · Accident · 2 fatal · Foreign investigation · Jul 27, 1998 · N3090M · Destroyed
- [NTSB LAX98LA129](https://openairdocs.org/ntsb/LAX98LA129.md): Ayres S2RT-34RE · Buckeye, AZ · Accident · No injuries · Limited investigation · Final report · Mar 25, 1998 · N4010X · Substantial damage
  > The incorrect turbine blades installed on the engine, the fractured compressor turbine blades and separation of the blade, and the improper maintenance installation of the incorrect CT blades by the repair station. A factor in the accident was the inadequate…
- [NTSB FTW97FA220](https://openairdocs.org/ntsb/FTW97FA220.md): Ayres S2R-T34 · Corning, AR · Accident · 1 fatal · Field investigation · Final report · Jun 14, 1997 · N3103D · Destroyed
  > The in-flight separation of the left wing as result of fatigue crack of the lower spar cap due to inadequate materials by the manufacturer. A factor was the operator's failure to comply with a published service bulletin on the airframe.
- [NTSB FTW97LA196](https://openairdocs.org/ntsb/FTW97LA196.md): Ayres S2R-T34 · Welsh, LA · Accident · Minor injuries · Limited investigation · Final report · May 22, 1997 · N30982 · Substantial damage
  > The pilot's failure to maintain clearance with a moving vehicle. Factors were: the lack of runway signs and a runway safety area, and the difficulty for the pilot and driver of the vehicle to visually detect each other due to high vegetation at the edge of…
- [NTSB LAX97LA182](https://openairdocs.org/ntsb/LAX97LA182.md): Ayres S2R-T-34 · Tonopah, AZ · Accident · No injuries · Limited investigation · Final report · May 8, 1997 · N4011G · Substantial damage
  > the failure of the power turbine due to an overtemperature condition created by an improperly adjusted fuel control. A factor in the accident was the tripped circuit breaker which prevented the wing lights from operating during the forced night landing.
- [NTSB FTW96LA349](https://openairdocs.org/ntsb/FTW96LA349.md): Ayres S2R-T34 · W. Helena, AR · Accident · 1 fatal · Limited investigation · Final report · Aug 17, 1996 · N3095X · Destroyed
  > The inadequate visual lookout of the vehicle driver and his inadvertent driving of the vehicle onto the runway resulting in the pilot of the departing aircraft performing an evasive maneuver in an attempt to avoid the collision.
- [NTSB FTW96LA069](https://openairdocs.org/ntsb/FTW96LA069.md): Ayres S2R-T34 · West Helena, AR · Accident · No injuries · Limited investigation · Final report · Dec 13, 1995 · N3090C · Substantial damage
  > Binding of the power lever linkage, due to corrosion, which resulted in a situation that led to an inadvertent shut-down of the engine at a critical point on the approach to land. A factor relating to the accident was: inadequate maintenance.
- [NTSB FTW95LA347](https://openairdocs.org/ntsb/FTW95LA347.md): Ayres S2R-T34 · Lake City, AR · Accident · No injuries · Limited investigation · Final report · Aug 11, 1995 · N3095W · Substantial damage
  > The pilot's failure to maintain clearance with the transmission wires.
- [NTSB FTW95LA245](https://openairdocs.org/ntsb/FTW95LA245.md): Ayres S2R-T34 · Devalls Bluff, AR · Accident · No injuries · Limited investigation · Final report · Jun 10, 1995 · N3105E · Substantial damage
  > The pilot's delayed flare resulting in a hard landing. Factors were the loss of engine power due to fuel starvation as a result of fuel line blockage.
- [NTSB LAX95LA154](https://openairdocs.org/ntsb/LAX95LA154.md): Ayres S2R-T34 · Stanfield, AZ · Accident · 1 fatal · Limited investigation · Final report · Apr 6, 1995 · N3105B · Destroyed
  > the pilot's failure to maintain an adequate visual lookout for, and clearance from, obstacles while conducting simulated aerial application operations.
- [NTSB SEA95LA055](https://openairdocs.org/ntsb/SEA95LA055.md): Ayres S2R-T34AG · Moses Lake, WA · Accident · Serious injuries · Limited investigation · Final report · Feb 23, 1995 · N4021Z · Substantial damage
  > The pilot-in-command's failure to maintain adequate altitude above the terrain. Factors include his diverted attention and attempted maneuver to avoid obstructions.

Next page: https://openairdocs.org/ntsb.md?model=0970106&page=2

## 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

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