NTSB investigations: Hughes 269A, 1999
3 cases on aircraft the registry lists as Hughes 269A. 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 | 47 |
|---|---|
| 1965 | 31 |
| 1966 | 32 |
| 1967 | 22 |
| 1968 | 27 |
| 1969 | 15 |
| 1970 | 15 |
| 1971 | 18 |
| 1972 | 9 |
| 1973 | 16 |
| 1974 | 11 |
| 1975 | 13 |
| 1976 | 8 |
| 1977 | 9 |
| 1978 | 8 |
| 1979 | 7 |
| 1980 | 5 |
| 1981 | 2 |
| 1982 | 7 |
| 1983 | 5 |
| 1984 | 4 |
| 1985 | 3 |
| 1986 | 6 |
| 1987 | 3 |
| 1988 | 6 |
| 1989 | 5 |
| 1990 | 4 |
| 1991 | 4 |
| 1993 | 3 |
| 1994 | 2 |
| 1995 | 1 |
| 1996 | 5 |
| 1997 | 6 |
| 1998 | 2 |
| 1999 | 3 |
| 2000 | 1 |
| 2001 | 3 |
| 2002 | 4 |
| 2003 | 3 |
| 2005 | 5 |
| 2006 | 1 |
| 2007 | 1 |
| 2008 | 4 |
| 2010 | 1 |
| 2011 | 1 |
| 2012 | 2 |
| 2014 | 1 |
| 2015 | 1 |
| 2016 | 1 |
| 2018 | 1 |
| 2019 | 2 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 2 |
| 2026 | 1 |
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.aircraft_model_code IN ('4470402'))
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.aircraft_model_code IN ('4470402'))
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 FTW00LA048Accident · Serious injuriesLimited investigationFinal reportHughes 269A · Brownsboro, TXThe loss of tail rotor effectiveness as a result of tail rotor vortex ring state.NTSB ANC99LA092Accident · Minor injuriesLimited investigationFinal reportHughes 269A · Juneau, AKThe pilot's failure to maintain rotor rpm, and an inadequately planned approach. A factor associated with the accident was a tailwind.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.