# NTSB investigations: Ayres S2R-T34, AR

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 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 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 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 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 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 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 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 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 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 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 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 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.

## 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" = 'AR' 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=AR

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