# NTSB investigations: Pratt & Whitney PT6A series, MO

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 CEN20LA084](https://openairdocs.org/ntsb/CEN20LA084.md): Beech 200 · St Louis, MO · Accident · No injuries · Class 3 · Limited · Final report · Feb 6, 2020 · N405PT · Substantial damage
  > The pilot’s loss of directional control and the subsequent nose landing gear collapse of for undetermined reasons.
- [NTSB CEN18LA194](https://openairdocs.org/ntsb/CEN18LA194.md): Air Tractor AT 502B · Qulin, MO · Accident · No injuries · Limited investigation · Final report · May 27, 2018 · N6180J · Substantial damage
  > The pilot’s improper weight-and-balance calculations and his decision to take off with the airplane at a high gross weight in high density altitude conditions, which resulted in an attempted takeoff that exceeded the airplane’s performance capability. Also…
- [NTSB CEN11LA296](https://openairdocs.org/ntsb/CEN11LA296.md): Air Tractor AT-802A · New Madrid, MO · Accident · Serious injuries · Limited investigation · Final report · Apr 19, 2011 · N802KC · 2 aircraft · Substantial damage
  > The failure of both pilots to see and avoid the other airplane, which resulted in a midair collision.
- [NTSB CEN09CA316](https://openairdocs.org/ntsb/CEN09CA316.md): Air Tractor AT-602 · Charleston, MO · Accident · Serious injuries · Data collection · Final report · May 15, 2009 · N85115 · Substantial damage
  > The pilot's failure to abort the takeoff resulting in a runway overrun and impact with terrain.
- [NTSB DEN08LA151](https://openairdocs.org/ntsb/DEN08LA151.md): Beech 1900D · St. Louis, MO · Accident · No injuries · Limited investigation · Final report · Sep 7, 2008 · N122UX · Substantial damage
  > The ground crew's failure to ensure airplane clearance from the building while parking the airplane. Contributing to the accident was the flight crew's unprofessional behavior and the lack of marshaling procedures for the ground crew.
- [NTSB DFW08CA219](https://openairdocs.org/ntsb/DFW08CA219.md): Piper PA46-500TP · St. Louis, MO · Accident · No injuries · Data collection · Final report · Aug 20, 2008 · N618MA · Substantial damage
  > The pilot's failure to ensure that the landing gear was placed in the down position prior to landing.
- [NTSB DFW08LA167](https://openairdocs.org/ntsb/DFW08LA167.md): Air Tractor AT-502B · Bethany, MO · Accident · No injuries · Limited investigation · Final report · Jun 24, 2008 · N5005G · Substantial damage
  > The pilot's decision to take off with a known deficiency.
- [NTSB CHI07LA063](https://openairdocs.org/ntsb/CHI07LA063.md): Raytheon B200 · Cape Girardeau, MO · Accident · No injuries · Limited investigation · Final report · Feb 2, 2007 · N777AJ · Substantial damage
  > The company pilot's poor judgment before and during the flight, including turning the oxygen system ready switch to the OFF position after he conducted the preflight inspection and using an unapproved checklist, which did not provide guidance for a fractured…
- [NTSB CHI01LA183](https://openairdocs.org/ntsb/CHI01LA183.md): Air Tractor AT-402 · Catron, MO · Accident · Minor injuries · Limited investigation · Final report · Jun 22, 2001 · N91966 · Substantial damage
  > the failure of the pilot to maintain clearance from the electrical wires.
- [NTSB CHI95LA278](https://openairdocs.org/ntsb/CHI95LA278.md): Air Tractor AT-400 · Hayti, MO · Accident · 1 fatal · Limited investigation · Final report · Aug 15, 1995 · N2315Z · Destroyed
  > the pilot inadvertently stalled the airplane. A factor was the reduced power setting.
- [NTSB CHI94LA147](https://openairdocs.org/ntsb/CHI94LA147.md): Air Tractor AT-402 · Sikeston, MO · Accident · No injuries · Limited investigation · Final report · May 5, 1994 · N91966 · Substantial damage
  > a fatigue failure of a compressor blade which resulted in a catostrophic engine failure.

## 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" = 'MO' AND c."eventCountry" = 'USA'
  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&state=MO

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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.