NTSB investigations: Lycoming HIO-360 series, 1999
7 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
| 1964 | 2 |
|---|---|
| 1965 | 1 |
| 1966 | 1 |
| 1967 | 2 |
| 1968 | 1 |
| 1969 | 2 |
| 1971 | 3 |
| 1972 | 2 |
| 1973 | 4 |
| 1974 | 3 |
| 1975 | 2 |
| 1976 | 5 |
| 1977 | 6 |
| 1978 | 6 |
| 1979 | 10 |
| 1980 | 12 |
| 1981 | 9 |
| 1982 | 6 |
| 1983 | 6 |
| 1984 | 3 |
| 1985 | 8 |
| 1986 | 9 |
| 1987 | 6 |
| 1988 | 10 |
| 1989 | 14 |
| 1990 | 5 |
| 1991 | 3 |
| 1992 | 3 |
| 1993 | 15 |
| 1994 | 10 |
| 1995 | 4 |
| 1996 | 6 |
| 1997 | 12 |
| 1998 | 14 |
| 1999 | 7 |
| 2000 | 12 |
| 2001 | 10 |
| 2002 | 13 |
| 2003 | 15 |
| 2004 | 8 |
| 2005 | 11 |
| 2006 | 9 |
| 2007 | 9 |
| 2008 | 7 |
| 2009 | 3 |
| 2010 | 5 |
| 2011 | 9 |
| 2012 | 9 |
| 2013 | 9 |
| 2014 | 3 |
| 2015 | 11 |
| 2016 | 6 |
| 2017 | 1 |
| 2018 | 5 |
| 2019 | 4 |
| 2020 | 4 |
| 2021 | 4 |
| 2022 | 3 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 2 |
| 2026 | 2 |
Where
Open the mapLatest 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 year(c.\"eventDate\") = 1999
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 year(c."eventDate") = 1999
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" DESCRun 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 MIA00GA057Accident · Serious injuriesFinal reportHughes OH-6A · Fort Myers, FLimproper maintenance inspection of the helicopter by unknown maintenance personnel, resulting in a worn control rod bearing being continued in service, and subsequent separation, resulting in an in-flight loss of control and a crash.NTSB 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.NTSB NYC99LA217Accident · No injuriesLimited investigationFinal reportHughes 269C · Utica, NYThe pilot's failure to maintain control of the helicopter while maneuvering, which resulted in a hard landing. A factor in this accident was the pilot's lack of total experience in helicopters.NTSB 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.NTSB DEN99LA092Accident · Minor injuriesLimited investigationFinal reportHughes 269A · Parkman, WYThe pilot's inadequate in-flight planning by exceeding the helicopter's performance climb capability. Factors were the downdraft encountered during initial climb following takeoff, and the high density altitude.NTSB SEA99LA048Accident · No injuriesLimited investigationFinal reportEnstrom F-28C · Pendleton, ORA loss of power due to water contamination of the fuel. Factors include the inability of the helicopter to perform a successful autorotation immediately after takeoff.NTSB NYC99LA082Accident · Serious injuriesLimited investigationFinal reportSchweizer 269C · Westerville, OHThe failure of the pilot to maintain control of the helicopter.