# NTSB investigations: Pratt & Whitney Canada PT6A-60A: Low altitude operation/event

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 CEN21LA354](https://openairdocs.org/ntsb/CEN21LA354.md): Air Tractor AT-502 · Wooster, OH · Accident · Serious injuries · Class 4 · Limited · Final report · Aug 4, 2021 · N1519U · Substantial damage
  > The pilot inadvertently collided with powerline wires during an agricultural spraying flight, resulting in a loss of aircraft control and subsequent impact with the ground.
- [NTSB WPR20CA179](https://openairdocs.org/ntsb/WPR20CA179.md): Ayres S2R · Lenore, ID · Accident · No injuries · Class 4 · Data collection · Final report · Jun 12, 2020 · N40226 · Destroyed
  > The pilot's failure to maintain clearance from power lines while maneuvering during an aerial application flight, which resulted in a wire strike.
- [NTSB CEN19FA117](https://openairdocs.org/ntsb/CEN19FA117.md): Air Tractor AT 502 · Harlingen, TX · Accident · 1 fatal · Class 3 · Field · Final report · Apr 9, 2019 · N7314D · Destroyed
  > The pilot’s failure to maintain clearance from power transmission lines during low altitude flight operations. Contributing to the accident was the pilot’s impairment due to a sedating medication.
- [NTSB CEN12CA546](https://openairdocs.org/ntsb/CEN12CA546.md): Air Tractor AT-502 · Hanley Falls, MN · Accident · Minor injuries · Data collection · Final report · Aug 14, 2012 · N1021D · Substantial damage
  > The pilot’s failure to maintain clearance from a guy wire during an agricultural application pass.
- [NTSB CEN09CA540](https://openairdocs.org/ntsb/CEN09CA540.md): Air Tractor AT-502 · East Grand Forks, MN · Accident · Minor injuries · Data collection · Final report · Aug 22, 2009 · N4516K · Substantial damage
  > The pilot's failure to maintain clearance with the crops while maneuvering at low altitude.
- [NTSB ERA09LA344](https://openairdocs.org/ntsb/ERA09LA344.md): Dehavilland DHC-6 Twin · Orange, VA · Accident · Serious injuries · Limited investigation · Final report · Jun 13, 2009 · N204EH · No damage
  > The pilot's improper decision to perform a low-level maneuver over a populated skydive landing area and his inadequate visual lookout.
- [NTSB MIA08CA170](https://openairdocs.org/ntsb/MIA08CA170.md): Air Tractor AT-502 · Satartia, MS · Accident · Minor injuries · Data collection · Final report · Aug 22, 2008 · N1520X · Substantial damage
  > The pilot's inadequate visual lookout resulting in the in-flight collision with a 40-foot-tall antenna.
- [NTSB MIA08LA167](https://openairdocs.org/ntsb/MIA08LA167.md): Ayres S2R-T15 · Morton, MS · Accident · 1 fatal · Limited investigation · Final report · Aug 17, 2008 · N4015P · Substantial damage
  > The pilot’s failure to maintain clearance from trees during low altitude maneuvering.
- [NTSB CHI08CA212](https://openairdocs.org/ntsb/CHI08CA212.md): Ayres S2R-T34 · Clinton, IL · Accident · No injuries · Data collection · Final report · Jul 24, 2008 · N357CA · Substantial damage
  > The inadequate in-flight planning/decision making and the altitude/clearance not maintained by the pilot during the aerial application. A contributing factor was the guy wire.
- [NTSB SEA08CA113](https://openairdocs.org/ntsb/SEA08CA113.md): Air Tractor AT-502 · Waitsburg, WA · Accident · No injuries · Data collection · Final report · Apr 27, 2008 · N1519U · Substantial damage
  > The pilot's failure to maintain clearance from the terrain while maneuvering at low altitude. Contributing to the accident was the rising terrain.

## 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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52043', '51999')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e."isDefiningEvent" AND e."tier2Number" = '220'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/220/cases?engine=52043

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