NTSB investigations: Pratt & Whitney Canada PT6A-60A

9 cases on aircraft whose registry engine model is Pratt & Whitney Canada PT6A-60A, where the defining event was Loss of control on ground. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.

Cases per year

20132026
NTSB investigations: Pratt & Whitney Canada PT6A-60A per year, 2013–2026: 9 cases
20131
20162
20181
20211
20221
20232
20251

Latest cases

Query with SQL
duckdb -csv -c "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\" = '230'))
  ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

NTSB CEN25LA293Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-31T3 · Appleton, WIThe pilot’s failure to maintain control of the airplane on the ground, which resulted in a collision with a parked airplane.Jul 26, 2025 · N401VA · Substantial damageNTSB CEN23LA103Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 425 · Bismarck, NDA loss of braking due to inadequate servicing of brake fluid by the pilot/mechanic, which resulted in a loss of airplane control on the ground.Feb 6, 2023 · N425Z · Substantial damageNTSB GAA23WA061AccidentClass 5 · ForeignAir Tractor AT-502 · Puerto Barrios, GuatemalaJan 31, 2023 · N4507U · Substantial damageNTSB CEN22LA389Accident · No injuriesClass 4 · LimitedFinal reportAir Tractor AT502 · Appleton, MNThe pilot’s failure to maintain directional control during the takeoff roll with a quartering tailwind.Aug 10, 2022 · N73194 · Substantial damageNTSB CEN21LA118Accident · No injuriesClass 4 · LimitedFinal reportBeech 300 · Davenport, IAThe pilot’s failure to maintain directional control of the airplane, and the flight instructor’s inadequate oversight during a simulated engine out takeoff that resulted in a runway excursion and impact with a snowbank.Jan 28, 2021 · N217US · Substantial damageNTSB GAA18CA245Accident · No injuriesData collectionFinal reportAyres S2R · Weipee, IDThe pilot’s failure to maintain directional control during the takeoff roll.Apr 18, 2018 · N40170 · Substantial damageNTSB GAA16CA321Accident · No injuriesData collectionFinal reportAir Tractor AT 502 · Delhi, LAThe pilot's inability to maintain directional control during the landing roll as a result of a piece of concrete from the runway impacting the right main landing gear brake during the landing roll, resulting in a right brake failure and a ground loop.Jun 15, 2016 · N1002L · Substantial damageNTSB GAA16CA184Accident · No injuriesData collectionFinal reportDehavilland DHC 6 Twin Otter · Fentress, TXThe pilot's failure to maintain directional control during the aborted landing in gusty crosswind conditions, which resulted in a runway excursion and a collision with a tree.Apr 9, 2016 · N122PM · Substantial damageNTSB ERA14CA030Accident · No injuriesData collectionFinal reportAir Tractor AT 502 · Charleston, MSThe pilot's failure to maintain directional control, which resulted in a runway excursion and collision with a fence.Oct 21, 2013 · N1022N · Substantial damage