NTSB investigations: Pratt & Whitney PT6A series, HI

11 cases on aircraft whose registry engine model is Pratt & Whitney PT6A series. 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

19902026
NTSB investigations: Pratt & Whitney PT6A series, HI per year, 1990–2026: 11 cases
19901
19951
20091
20132
20161
20171
20192
20221
20241

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.\"eventStateOrRegion\" = 'HI' 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"

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 ANC25LA011Accident · No injuriesClass 3 · LimitedFinal reportRaytheon C90A · Honolulu, HIA temporary reduction in the airplane’s braking effectiveness during engine start following an exterior wash, which resulted in its uncommanded forward movement and collision with a parked airplane. Contributing to the accident was the flight crew’s delayed…Dec 21, 2024 · N438CA · Substantial damageNTSB ANC23FA008Accident · 3 fatalClass 3 · FieldFinal reportRaytheon C90A · Kaupo, HIGuardian Flight’s inadequate pilot training and performance tracking, which failed to identify and correct the pilot’s consistent lack of skill, and which resulted in the pilot’s inability to maintain his position inflight using secondary instruments to…Dec 15, 2022 · N13GZ · Substantial damageNTSB ANC20LA003Accident · No injuriesClass 3 · LimitedFinal reportCessna 208 · Honolulu, HIThe pilot of the Cessna's failure to set the parking brake before diverting his attention inside the airplane, which resulted in his airplane colliding with the airplane ahead of it on the taxiway.Oct 31, 2019 · N926FE · 2 aircraft · Minor damageNTSB WPR19MA177Accident · 11 fatalClass 2 · MajorFinal reportBeech 65-A90 · Mokuleia, HIThe pilot’s aggressive takeoff maneuver, which resulted in an accelerated stall and subsequent loss of control at an altitude that was too low for recovery. Contributing to the accident were (1) the operation of the airplane near its aft center of gravity…Jun 22, 2019 · N256TA · DestroyedNTSB GAA17CA191Accident · Minor injuriesClass 4 · Data collectionFinal reportCessna 208 · Kalaupapa, HIThe 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.Mar 11, 2017 · N865MA · Substantial damageNTSB OPS16IA009IncidentClass 3 · IncidentFinal reportCessna 172S · Honolulu, HIThe air traffic controller's decision to clear an aircraft to land on a runway occupied by another aircraft that had previously been instructed to line up and wait. Contributing to the runway incursion was the failure of the air traffic controller to visually…Feb 26, 2016 · N269ME · 2 aircraft · No damageNTSB WPR14FA068Accident · 1 fatalField investigationFinal reportCessna 208B · Kalaupapa, HIThe loss of engine power due to the fracture of multiple blades on the compressor turbine wheel, which resulted in a ditching. The reason for the blade failures could not be determined due to secondary thermal damage to the blades.Dec 12, 2013 · N687MA · DestroyedNTSB WPR14FA024Accident · No injuriesField investigationFinal reportCessna 208 · Wailea, HIImproper maintenance that resulted in contamination of the engine's compressor turbine disc and blade assembly by glass bead remnants, which resulted in a blade failure.Oct 22, 2013 · N861MA · Substantial damageNTSB WPR10LA022Accident · No injuriesLimited investigationFinal reportCessna 208B · Molokai, HIThe failure of the ramp agent to use a tail stand.Oct 15, 2009 · N861MA · Substantial damageNTSB LAX95LA137Accident · No injuriesLimited investigationFinal reportde Havilland DHC-6-200 · Honolulu, HIIntentional ditching due to the flightcrew's failure to properly manage the fuel system, and operation of the airplane in an excessively overweight condition.Mar 16, 1995 · N37ST · DestroyedNTSB LAX90LA110Accident · No injuriesLimited investigationFinal reportCessna 208B · Lanai, HIThe pilot's misjudgement of the glide path angle while executing a forced landing at the Lanai airport. Contributing to the accident was the failure of the pilot to properly secure the oil filter cap prior to departure.Mar 6, 1990 · N851FE · Substantial damage