# NTSB investigations: Pratt & Whitney PT6A series, 2017

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 ERA18LA031](https://openairdocs.org/ntsb/ERA18LA031.md): Piper PA46 · Clearwater, FL · Accident · Minor injuries · Limited investigation · Final report · Nov 25, 2017 · N863RB · Substantial damage
  > A partial loss of engine power for reasons that could not be determined based on the available information.
- [NTSB CEN18LA019](https://openairdocs.org/ntsb/CEN18LA019.md): Air Tractor AT 502B · Olton, TX · Accident · Serious injuries · Class 3 · Limited · Final report · Oct 24, 2017 · N502G · Destroyed
  > The pilot's exceedance of the airplane’s critical angle of attack while maneuvering during the aerial application flight, which resulted in an aerodynamic stall and loss of control at an altitude too low to recover.
- [NTSB ANC18LA005](https://openairdocs.org/ntsb/ANC18LA005.md): Raytheon B200 · Anchorage, AK · Accident · No injuries · Limited investigation · Final report · Oct 21, 2017 · N363JH · Substantial damage
  > The pilot's failure to extend the landing gear before landing, which resulted in a gear-up landing. Contributing to the accident was the pilot's fatigue and complacency.
- [NTSB WPR17LA207](https://openairdocs.org/ntsb/WPR17LA207.md): Cessna 208B · Sedona, AZ · Accident · No injuries · Limited investigation · Final report · Sep 16, 2017 · N786WW · Substantial damage
  > The pilot's failure to maintain clearance from a light pole while taxiing.
- [NTSB ERA17FA279](https://openairdocs.org/ntsb/ERA17FA279.md): Air Tractor AT502 · Philipp, MS · Accident · 1 fatal · Field investigation · Final report · Aug 16, 2017 · N6082B · Substantial damage
  > The pilot's improper decision to attempt a visual flight rules flight in instrument meteorological conditions, below a low overcast ceiling, which resulted in controlled flight into terrain.
- [NTSB GAA17CA490](https://openairdocs.org/ntsb/GAA17CA490.md): Cessna 208 · Mulino, OR · Accident · No injuries · Data collection · Final report · Aug 4, 2017 · N9829B · Substantial damage
  > The pilot's improper landing flare, which resulted in a bounced landing.
- [NTSB WPR17LA177](https://openairdocs.org/ntsb/WPR17LA177.md): Air Tractor AT 802A · Wells, NV · Accident · No injuries · Limited investigation · Final report · Jul 31, 2017 · N70LA · Substantial damage
  > The pilot's failure to maintain directional control during a period of thermal activity, which led to a runway excursion and impact with terrain.
- [NTSB GAA17CA574](https://openairdocs.org/ntsb/GAA17CA574.md): Cessna 208 · New York, NY · Accident · No injuries · Data collection · Final report · Jul 21, 2017 · N802TW · Substantial damage
  > The airplane’s encounter with boat wake and multiple swells during a water takeoff.
- [NTSB GAA17CA385](https://openairdocs.org/ntsb/GAA17CA385.md): Air Tractor AT 502 · Edna, TX · Accident · No injuries · Data collection · Final report · Jul 2, 2017 · N6135P · Substantial damage
  > The pilot’s failure to see and avoid a tower during an agricultural application flight.
- [NTSB GAA17CA360](https://openairdocs.org/ntsb/GAA17CA360.md): Air Tractor AT 502 · Portales, NM · Accident · No injuries · Data collection · Final report · Jun 22, 2017 · N700LA · Destroyed
  > The pilot's decision to fly the airplane under transmission lines while maneuvering at low altitude in high-density altitude conditions, which resulted in subsequent collision with terrain.
- [NTSB GAA17CA303](https://openairdocs.org/ntsb/GAA17CA303.md): Dehavilland DHC 6 · Perris, CA · Accident · No injuries · Data collection · Final report · May 24, 2017 · N708PV · Substantial damage
  > The prospective pilot’s improper landing flare and the pilot’s delayed remedial action to initiate a go-around, which resulted in a runway excursion.
- [NTSB GAA17CA285](https://openairdocs.org/ntsb/GAA17CA285.md): Air Tractor AT 802 · Dumas, TX · Accident · Minor injuries · Data collection · Final report · May 15, 2017 · N319BM · Substantial damage
  > The pilot’s failure to maintain lateral control while maneuvering at a low altitude.
- [NTSB DCA17FA109](https://openairdocs.org/ntsb/DCA17FA109.md): Short Bros. & Harland SD3 30 · Charleston, WV · Accident · 2 fatal · Field investigation · Final report · May 5, 2017 · N334AC · Substantial damage
  > the flight crew's improper decision to conduct a circling approach contrary to the operator's standard operating procedures (SOP) and the captain's excessive descent rate and maneuvering during the approach, which led to inadvertent, uncontrolled contact with…
- [NTSB ANC17FA021](https://openairdocs.org/ntsb/ANC17FA021.md): Cessna 208B · Chignik Lake, AK · Accident · 1 fatal · Field investigation · Final report · May 1, 2017 · N803TH · Substantial damage
  > The pilot's continued visual flight rules flight into an area of mountainous terrain and instrument meteorological conditions, which resulted in controlled flight into terrain (CFIT). Contributing to the accident was the company's failure to provide the pilot…
- [NTSB CEN17LA165](https://openairdocs.org/ntsb/CEN17LA165.md): Air Tractor AT 602 · Vidrine, LA · Accident · No injuries · Limited investigation · Final report · Apr 21, 2017 · N653LA · Substantial damage
  > The total loss of engine power for reasons that could not be determined because an examination of the engine and a test run did not reveal any mechanical malfunctions or failures that would have precluded normal operation.
- [NTSB GAA17CA191](https://openairdocs.org/ntsb/GAA17CA191.md): Cessna 208 · Kalaupapa, HI · Accident · Minor injuries · Class 4 · Data collection · Final report · Mar 11, 2017 · N865MA · Substantial damage
  > The pilot's attempted aborted landing late in the landing sequence because she saw another airplane on the runway facing her with its propeller turning, which resulted in a hard landing, a subsequent loss of directional control, and ground loop.
- [NTSB CEN17LA121](https://openairdocs.org/ntsb/CEN17LA121.md): Beech C90A · Rattan, OK · Accident · No injuries · Limited investigation · Final report · Feb 14, 2017 · N1551C · Substantial damage
  > The loss of electrical power due to the pilot’s inadvertent selection of the engine start switches and the subsequent fuel exhaustion to the left engine as the pilot attempted to locate visual meteorological conditions. Contributing to the accident were the…
- [NTSB CEN17LA123](https://openairdocs.org/ntsb/CEN17LA123.md): Beech C 99 · Durango, CO · Accident · No injuries · Limited investigation · Final report · Jan 24, 2017 · N216CS · Substantial damage
  > The pilot's inability to maintain directional control during takeoff in crosswind conditions on a contaminated runway, which resulted in a runway excursion.
- [NTSB WPR17LA056](https://openairdocs.org/ntsb/WPR17LA056.md): Beech 99 · Billings, MT · Accident · No injuries · Limited investigation · Final report · Jan 19, 2017 · N326CA · Substantial damage
  > The fatigue failure of the left main landing gear (MLG) actuator piston rod, which prevented the hydraulic system from producing pressure to control the MLG’s position and led to the right MLG collapsing during landing.

## 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") = 2017
  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=2017

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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.