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NTSB investigations: Lycoming HIO-360 series, AZ

13 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.

Defining event

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Phase of flight

Aircraft model

Cases per year

19642026

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Latest cases

Query with 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."eventStateOrRegion" = 'AZ' 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 ('41524')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

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\" = 'AZ' 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 ('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.

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" = 'AZ' 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 ('41524'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.

NTSB WPR25FA097Accident · 2 fatalClass 3 · FieldPreliminary reportLancair 360 · Marana, AZOn February 19, 2025, about 0828 mountain standard time, a Lancair 360 Mk II, N3602M, was destroyed, and a Cessna 172S, N463ER, sustained minor damage when they were involved in a mid-air collision near Marana Regional Airport (AVQ), Marana, Arizona. The…Feb 19, 2025 · N3602M · 2 aircraft · Destroyed NTSB WPR17IA198Incident · No injuriesIncident investigationFinal reportEnstrom F 28F · Glendale, AZAn internal failure of the turbo-compressor, which resulted in oil leaking into the turbo-compressor’s exhaust.Aug 22, 2017 · N52PD · No damage NTSB LAX02LA161Accident · Minor injuriesLimited investigationFinal reportSchweizer 269C · Phoenix, AZthe CFI's failure to maintain an adequate airspeed resulted in a settling with power, and the CFI's failure to take remedial action. A factor in the accident was the high density altitude.May 13, 2002 · N577TA · Substantial damage NTSB LAX02LA137Accident · No injuriesLimited investigationFinal reportSchweizer 269C · Scottsdale, AZThe flight instructor's inadequate remedial action following the onset of ground resonance.Apr 14, 2002 · N324PH · Substantial damage NTSB LAX00TA355Accident · No injuriesFinal reportHughes TH-55A · Phoenix, AZthe flight instructor's misjudged flare during a simulated autorotation, which led to a hard landing.Sep 29, 2000 · N331SD · Substantial damage NTSB LAX00LA276Accident · No injuriesLimited investigationFinal reportSchweizer 269C · Cave Creek, AZThe pilot's inadequate in-flight planning/decision to attempt a hover in atmospheric conditions and over terrain that would require maximum helicopter performance, and which would leave no viable alternate actions in the event of difficulties.Jul 19, 2000 · N577TA · Substantial damage NTSB LAX95LA188Accident · No injuriesLimited investigationFinal reportSchweizer 269C · Scottsdale, AZThe CFI's failure to apply adequate power during the flare which was a result of not maintaining the required engine and rotor rpm.May 12, 1995 · N6120A · Substantial damage NTSB LAX89LA309Accident · No injuriesLimited investigationFinal reportHughes 269C · Mesa, AZImproper flare by the student pilot, and improper supervision by the instructor pilot (CFI).Mar 30, 1989 · N58164 · Substantial damage NTSB LAX83FA266Accident · Serious injuriesField investigationFinal reportEnstrom F28C · Mesa, AZThe pilot had taken off, went into a normal hover, then traveled about 200 feet for a pattern climb-out when he radioed the tower that the acft did not feel right. The acft started to fishtail. The pilot tried to autorotate but could not stop the rate of…Jun 7, 1983 · N51684 · Destroyed NTSB LAX82DA283Accident · No injuriesFinal reportEnstrom F28C · Phoenix, AZThe helicopter made a forced landing in a cotton field after tail rotor driveshaft failure. Examination showed a ductileshear overload failure. No evidence of fatigue was reported.Jul 31, 1982 · N5688N · Substantial damage NTSB LAX79FUK19Accident · No injuriesClosedHughes 269A · Phoenix, AZSep 11, 1979 · N87592 · Substantial damage NTSB LAX73FUJ86Accident · Minor injuriesClosedHughes 269B · Chandler, AZJun 23, 1973 · N9569F · Destroyed NTSB UNK65X0199Accident · Minor injuriesClosedHughes 269B · Phoenix, AZOct 8, 1964 · N9333F · Substantial damage