Fatal NTSB investigations: Lycoming HIO-360 series, OR

5 cases on aircraft whose registry engine model is Lycoming HIO-360 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

19892026
Fatal NTSB investigations: Lycoming HIO-360 series, OR per year, 1989–2026: 5 cases
19891
19992
20071
20151

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\" = 'OR' AND c.\"eventCountry\" = 'USA'
    AND 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 ('41524'))
  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 WPR15FA205Accident · 2 fatalField investigationFinal reportSchweizer 269C · Newberg, ORThe loss of translation/rotational power between the engine and the transmission due to the severe wear of the forward spline portion of the lower coupling drive shaft. The reason for the severe wear of the forward spline could not be definitively determined…Jul 2, 2015 · N2096W · DestroyedNTSB SEA08FA022Accident · 1 fatalField investigationFinal reportHughes 269C · Baker City, ORThe pilot’s failure to maintain main rotor rpm while maneuvering.Nov 8, 2007 · N381MC · Substantial damageNTSB SEA00FA014Accident · 1 fatalField investigationFinal reportEnstrom F28C · Pendleton, ORFailure to maintain clearance from the runway surface while maneuvering at low altitude, and inadequate remedial action after the tail rotor struck the surface.Nov 2, 1999 · N635H · DestroyedNTSB SEA99FA168Accident · 1 fatalField investigationFinal reportSchweizer 269C · Westport, ORThe pilot's failure to maintain clearance from terrain. Factors include low clouds and visibility and near-night light conditions.Aug 8, 1999 · N383T · DestroyedNTSB SEA90LA016Accident · 1 fatalLimited investigationFinal reportHughes 269C · Estacada, ORThe pilot misjudged clearance between her external load and the obstruction. Factors related to the accident were: the obstruction, improper maintenance and modification of the external load line/hook by the operator, failure of the pilot to jettison the…Nov 15, 1989 · N9592F · Destroyed