Fatal NTSB investigations: Pratt & Whitney PT6 series

5 cases on aircraft whose registry engine model is Pratt & Whitney PT6 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

19992026
Fatal NTSB investigations: Pratt & Whitney PT6 series per year, 1999–2026: 5 cases
19991
20051
20061
20091
20201

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.\"highestInjuryLevel\" = 'Fatal'
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52033'))
  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 DCA20MA059Accident · 9 fatalClass 1 · MajorFinal reportSikorsky S76 · Calabasas, CAThe pilot’s decision to continue flight under visual flight rules into instrument meteorological conditions, which resulted in the pilot’s spatial disorientation and loss of control. Contributing to the accident was the pilot’s likely self-induced pressure…Jan 26, 2020 · N72EX · DestroyedNTSB WPR09TA356Accident · 1 fatalFinal reportBell 212 · Willow Creek, CAThe rappeller's failure to properly latch the rappelling harness to the rappelling assembly before exiting the helicopter.Jul 21, 2009 · N212HP · No damageNTSB LAX07FA056Accident · 3 fatalField investigationFinal reportBell 412SP · Hesperia, CAThe pilot's inadvertent encounter with instrument meteorological conditions and subsequent failure to maintain terrain clearance. Contributing to the accident were the dark night conditions, fog, and mountainous terrain.Dec 11, 2006 · N410MA · DestroyedNTSB DEN05FA103Accident · 3 fatalField investigationFinal reportAgusta A119 · Mancos, COa loss of engine power for undetermined reasons and the pilot's inability to get into autorotation prior to impacting the ground. A factor contributing to the accident was the helicopter's low altitude when power was lost.Jun 30, 2005 · N403CF · Substantial damageNTSB MIA00FA030Accident · 2 fatalField investigationFinal reportBell 212 · Philadelphia, MSThe failure of the pilot and company maintenance personnel during preflight and periodic inspections to identify the signs of fretting and looseness in the "red" main rotor blade pitch change horn to main rotor blade grip attachment, resulting in the…Nov 27, 1999 · N8144M · Destroyed