# Fatal 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.

## 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 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 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 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 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 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 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 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 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 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 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 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 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…

## 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."highestInjuryLevel" = 'Fatal'
  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?fatal=1&model=0970106

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