# NTSB investigations: Pratt & Whitney PT6A series, 2023

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 CEN24LA058](https://openairdocs.org/ntsb/CEN24LA058.md): Piper PA46-500TP · Ann Arbor, MI · Accident · No injuries · Class 4 · Limited · Final report · Dec 10, 2023 · N90ZZ · Substantial damage
  > The airplane’s encounter with unexpected wind shear during final approach, which resulted in a hard landing short of the runway.
- [NTSB CEN24FA021](https://openairdocs.org/ntsb/CEN24FA021.md): Air Tractor AT-502B · Vidalia, LA · Accident · 1 fatal · Class 3 · Field · Final report · Oct 24, 2023 · N5180W · Substantial damage
  > The pilot’s failure to maintain clearance from power lines during an aerial application flight. Contributing to the accident was the pilot’s cell phone use and the position of the sun, which reduced the pilot’s ability to perceive the location of the power…
- [NTSB ERA24LA012](https://openairdocs.org/ntsb/ERA24LA012.md): Beech 300 · Atlanta, GA · Accident · No injuries · Class 3 · Limited · Final report · Oct 18, 2023 · N93GA · Substantial damage
  > The pilot’s failure to maintain a proper approach speed, which resulted in a runway overrun. Contributing to the runway overrun were the pilot’s application of full reverse at an airspeed higher than that allowed by the system, which added power and forward…
- [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 CEN23LA377](https://openairdocs.org/ntsb/CEN23LA377.md): Air Tractor AT-502 · Great Bend, ND · Accident · No injuries · Class 3 · Limited · Final report · Aug 15, 2023 · N9082C · Substantial damage
  > The pilot’s hard landing on a road and subsequent loss of control, resulting in the airplane impacting a ditch.
- [NTSB ERA23LA327](https://openairdocs.org/ntsb/ERA23LA327.md): Air Tractor AT502 · Leipsic, OH · Accident · No injuries · Class 3 · Limited · Final report · Aug 4, 2023 · N5048S · Substantial damage
  > The incorrect assembly of the turbine engine’s reduction gear box second-stage ring gear, which resulted in an internal failure of multiple engine components and a total loss of power.
- [NTSB CEN23LA317](https://openairdocs.org/ntsb/CEN23LA317.md): Grumman G-164A · Patoka, IL · Accident · No injuries · Class 3 · Limited · Final report · Jul 22, 2023 · N9892 · Substantial damage
  > A partial loss of engine power due to the failure of two compressor turbine blades as a result of the engine operating near or above the engine’s operating limits for an undetermined amount of time beyond the recommended engine’s TBO limit, which led to…
- [NTSB WPR23LA217](https://openairdocs.org/ntsb/WPR23LA217.md): Air Tractor AT-502B · Bakersfield, CA · Accident · Minor injuries · Class 4 · Limited · Final report · Jun 5, 2023 · N6174W · Substantial damage
  > The pilot’s improper use of flaps during the takeoff sequence which resulted in a runway overrun and collision with trees.
- [NTSB ERA23LA215](https://openairdocs.org/ntsb/ERA23LA215.md): Air Tractor AT-402A · Good Hope, AL · Accident · No injuries · Class 4 · Limited · Final report · Apr 24, 2023 · N623LA · Substantial damage
  > The pilot’s decision to land on a runway where there was insufficient clearance from obstructions (wheat crop) to operate safely.
- [NTSB GAA23WA099](https://openairdocs.org/ntsb/GAA23WA099.md): Cessna 208B · Puente de Ixtla, Mexico · Accident · No injuries · Class 5 · Foreign · Feb 10, 2023 · N9634B · Substantial damage

## 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 year(c."eventDate") = 2023
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52032', '52034'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=52032&year=2023

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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.