# NTSB investigations: Pratt & Whitney PT6A series, IA

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 CEN22LA371](https://openairdocs.org/ntsb/CEN22LA371.md): Ayres S2R-T65 · Wyman / Washington, IA · Accident · No injuries · Class 4 · Limited · Final report · Jul 21, 2022 · N9899 · Substantial damage
  > The pilot not maintaining sufficient altitude to clear an obstruction during the aerial application flight.
- [NTSB CEN19FA259](https://openairdocs.org/ntsb/CEN19FA259.md): Air Tractor AT502 · Sumner, IA · Accident · 1 fatal · Class 3 · Field · Final report · Aug 8, 2019 · N6113C · Destroyed
  > The pilot’s impairment by medical conditions and/or medications, which resulted in the airplane’s impact with power lines and terrain.
- [NTSB CEN16LA292](https://openairdocs.org/ntsb/CEN16LA292.md): Air Tractor AT 402 · Sac City, IA · Accident · 1 fatal · Limited investigation · Final report · Jul 29, 2016 · N1016G · Destroyed
  > The pilot's failure to maintain adequate clearance from power lines. Contributing to the accident was the pilot's failure to circle over the field to identify hazards before beginning the aerial application.
- [NTSB GAA16CA308](https://openairdocs.org/ntsb/GAA16CA308.md): Cessna 208 · Fort Dodge, IA · Accident · No injuries · Data collection · Final report · Jun 5, 2016 · N750Z · Substantial damage
  > The flight crew's failure to install the tail stand prior to passenger boarding, which resulted in a tail strike.
- [NTSB CEN10CA445](https://openairdocs.org/ntsb/CEN10CA445.md): Air Tractor AT-502B · Zwingle, IA · Accident · Minor injuries · Data collection · Final report · Jul 28, 2010 · N6030U · Substantial damage
  > The pilot's failure to maintain clearance from wires during the agricultural flight.
- [NTSB CEN10FA119](https://openairdocs.org/ntsb/CEN10FA119.md): Piper PA-31T · Forest City, IA · Accident · 1 fatal · Field investigation · Final report · Feb 12, 2010 · N250TT · Substantial damage
  > The pilot's failure to maintain airplane control during final approach.
- [NTSB CEN09CA533](https://openairdocs.org/ntsb/CEN09CA533.md): Air Tractor AT-502B · Whittemore, IA · Accident · No injuries · Data collection · Final report · Aug 17, 2009 · N5003C · Substantial damage
  > The pilot's lack of preflight planning and remedial action with resulted in the airplane's inability to climb out of ground effect.
- [NTSB CHI07CA259](https://openairdocs.org/ntsb/CHI07CA259.md): Air Tractor AT-502 · Creston, IA · Accident · No injuries · Data collection · Final report · Aug 9, 2007 · N9195G · Substantial damage
  > The loss of engine power due to fuel starvation as a result of the pilot's inadequate fuel calculations.
- [NTSB CHI07LA246](https://openairdocs.org/ntsb/CHI07LA246.md): Air Tractor AT-502B · Hampton, IA · Accident · No injuries · Limited investigation · Final report · Aug 1, 2007 · N50877 · Substantial damage
  > The pilot's failure to maintain directional control during landing. Contributing to the accident was a ditch.
- [NTSB CHI07LA213](https://openairdocs.org/ntsb/CHI07LA213.md): Air Tractor AT-402A · Laurel, IA · Accident · 1 fatal · Limited investigation · Final report · Jul 16, 2007 · N203DM · Substantial damage
  > The pilot failed to maintain clearance with the upsloping terrain for undetermined reasons.
- [NTSB CHI03LA289](https://openairdocs.org/ntsb/CHI03LA289.md): Air Tractor AT-502B · Westside, IA · Accident · Minor injuries · Limited investigation · Final report · Aug 22, 2003 · N5007G · Substantial damage
  > The pilot's inadequate preflight planning/preparation which led to fuel exhaustion and subsequent loss of engine power. Contributing factors were the unsuitable terrain encountered, and the terrace/embankment.
- [NTSB CHI02LA259](https://openairdocs.org/ntsb/CHI02LA259.md): Air Tractor AT-402A · Cherokee, IA · Accident · Serious injuries · Limited investigation · Final report · Aug 25, 2002 · N9032K · Substantial damage
  > The pilot failed to maintain clearance with the power lines resulting in the rudder separation and the subsequent loss of aircraft control. A factor associated with the accident was the power line that was contacted.

## 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" = 'IA' 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=IA

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