# NTSB investigations: Pratt & Whitney PT6A series, 2021

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 CEN22FA081](https://openairdocs.org/ntsb/CEN22FA081.md): Cessna 208 · Fulshear, TX · Accident · 2 fatal · Class 3 · Field · Final report · Dec 21, 2021 · N1116N · 2 aircraft · Destroyed
  > The limitations of the see-and-avoid concept as a method for self-separation of aircraft, which resulted in an inflight collision. Contributing to the accident was the absence of collision avoidance technology on both aircraft.
- [NTSB CEN21FA376](https://openairdocs.org/ntsb/CEN21FA376.md): Socata TBM 700 · Urbana, OH · Accident · 1 fatal · Class 3 · Field · Final report · Aug 20, 2021 · N700DT · Destroyed
  > The pilot’s failure to arrest the airplane’s left roll and rapid descent for reasons that could not be determined based on the available evidence.
- [NTSB WPR21LA313](https://openairdocs.org/ntsb/WPR21LA313.md): Cessna 425 · Helena, MT · Accident · Serious injuries · Class 3 · Limited · Final report · Aug 11, 2021 · N783MB · Substantial damage
  > A flameout of both engines due to fuel starvation for reasons that could not be determined due to the airplane’s damage.
- [NTSB WPR21LA310](https://openairdocs.org/ntsb/WPR21LA310.md): Air Tractor AT-802A · Fort Sumner, NM · Accident · Serious injuries · Class 4 · Limited · Final report · Jul 30, 2021 · N9197F · Destroyed
  > The pilot's failure to maintain adequate clearance from a windmill while maneuvering during an aerial application flight.
- [NTSB ERA21LA287](https://openairdocs.org/ntsb/ERA21LA287.md): Piper PA46-500TP · Manteo, NC · Accident · No injuries · Class 3 · Limited · Final report · Jul 6, 2021 · N31062 · Substantial damage
  > The improperly secured pneumatic compressor discharge air (P3) line coupling nut on the engine, which ultimately allowed the nut to back off resulting in a partial loss of engine power.
- [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 CEN21LA283](https://openairdocs.org/ntsb/CEN21LA283.md): Air Tractor AT-502B · Edwardsburg, MI · Accident · Serious injuries · Class 4 · Limited · Final report · Jun 20, 2021 · N8523Z · Substantial damage
  > The pilot’s failure to identify rising terrain and to maintain terrain clearance from trees during an aerial application pass that resulted in an in-flight collision with trees and terrain.
- [NTSB CEN21FA270](https://openairdocs.org/ntsb/CEN21FA270.md): Air Tractor 502B · Paragould, AR · Accident · 1 fatal · Class 3 · Field · Final report · Jun 15, 2021 · N6088K · Destroyed
  > An inflight loss of control and subsequent impact with terrain during an aerial application flight for reasons that could not be determined based on the available evidence.
- [NTSB ANC21LA025](https://openairdocs.org/ntsb/ANC21LA025.md): Cessna 208B · Chevak, AK · Accident · No injuries · Class 4 · Limited · Final report · Mar 13, 2021 · N407GV · Substantial damage
  > The pilot’s loss of directional control during the back-taxi for departure in strong crosswind conditions which resulted in a runway excursion. Contributing to the accident was the snow-and-ice-covered runway.

## 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") = 2021
  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=2021

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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.