NTSB investigations: Hughes 269B, 1986
3 cases on aircraft the registry lists as Hughes 269B. 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 | 14 |
|---|---|
| 1965 | 25 |
| 1966 | 31 |
| 1967 | 20 |
| 1968 | 22 |
| 1969 | 23 |
| 1970 | 25 |
| 1971 | 22 |
| 1972 | 13 |
| 1973 | 14 |
| 1974 | 15 |
| 1975 | 10 |
| 1976 | 11 |
| 1977 | 15 |
| 1978 | 13 |
| 1979 | 12 |
| 1980 | 10 |
| 1981 | 8 |
| 1982 | 7 |
| 1983 | 2 |
| 1984 | 6 |
| 1985 | 2 |
| 1986 | 3 |
| 1987 | 3 |
| 1988 | 4 |
| 1989 | 2 |
| 1990 | 1 |
| 1991 | 5 |
| 1992 | 1 |
| 1993 | 2 |
| 1995 | 4 |
| 1996 | 2 |
| 1997 | 2 |
| 1998 | 1 |
| 1999 | 1 |
| 2000 | 2 |
| 2001 | 2 |
| 2003 | 2 |
| 2004 | 1 |
| 2006 | 2 |
| 2008 | 2 |
| 2010 | 1 |
| 2011 | 1 |
| 2013 | 1 |
| 2015 | 3 |
| 2016 | 1 |
| 2019 | 1 |
| 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\") = 1986
AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('4470502'))
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") = 1986
AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('4470502'))
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 ANC87LA008Accident · No injuriesLimited investigationFinal reportHughes 300-269B · Fairbanks, AKThe helicopter exhausted its fuel supply during climbout. During the ensuing autorotation landing, the rotor speed was allosed to decay and the helcopter spun at touchdown. It rolled over and failed the rotor blades.NTSB CHI86LA236Accident · No injuriesLimited investigationFinal reportHughes 269B · Baldwin, WIAfter picking up his passenger at williams pipeline, minneapolis, Minnesota, the plt flew eastward along interstate 90 enroute to a pipeline near wausau, Wisconsin. While flying at approximatelly 400 feet, the plt and passenger stated that the engine started…NTSB ATL86LA069Accident · Serious injuriesLimited investigationFinal reportHughes 269B · Council, NCDuring a control burning operation, the plt experienced a complete eng failure. The plt entered an autorotation and collided with trees. The eng examination disclosed that the #4 connecting rod had failed. The failure was determined to have resulted from…