NTSB investigations: Hughes Helicopters HUGHES 369D, 1986
4 cases on aircraft the registry lists as Hughes Helicopters HUGHES 369D. 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
| 1977 | 3 |
|---|---|
| 1978 | 5 |
| 1979 | 10 |
| 1980 | 10 |
| 1981 | 14 |
| 1982 | 8 |
| 1983 | 6 |
| 1984 | 11 |
| 1985 | 7 |
| 1986 | 4 |
| 1987 | 9 |
| 1988 | 5 |
| 1989 | 7 |
| 1990 | 8 |
| 1991 | 5 |
| 1992 | 11 |
| 1993 | 7 |
| 1994 | 8 |
| 1995 | 5 |
| 1996 | 7 |
| 1997 | 4 |
| 1998 | 5 |
| 1999 | 6 |
| 2000 | 2 |
| 2001 | 7 |
| 2002 | 6 |
| 2003 | 4 |
| 2004 | 3 |
| 2005 | 3 |
| 2006 | 4 |
| 2007 | 9 |
| 2008 | 3 |
| 2009 | 5 |
| 2010 | 2 |
| 2011 | 5 |
| 2012 | 4 |
| 2013 | 4 |
| 2014 | 3 |
| 2015 | 4 |
| 2016 | 3 |
| 2017 | 1 |
| 2018 | 10 |
| 2019 | 2 |
| 2020 | 4 |
| 2021 | 4 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 5 |
| 2025 | 3 |
| 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\") = 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 ('4470706'))
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 ('4470706'))
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 BFO87DHD02Accident · No injuriesFinal reportHughes 369D · Newark, DEThe acft was being flown on a maintenance check flt. As the plt was returning to land, the eng lost power from fuel exhaustion. During an autorotative landing, the main rotor blades & tail boom were extensively damaged. The plt rprtd the fuel quantity gage…NTSB SEA87LA025Accident · No injuriesLimited investigationFinal reportHughes 369D · Winlock, WAThe plt was loading xmas trees from a farm to a truck. He had just released a load and was en route back to the pickup area when the empty long-line sling contacted treetops. The sling rebounded into the tail rotor & damaged the gear box which resulted in…NTSB SEA87LA007Accident · No injuriesLimited investigationFinal reportHughes 500-D · Seattle, WADuring a practice autorotation a loss of power occurred. The pilot attempted engine recovery but was unable to resulting in a hard landing in which the main rotor blade flexed, severing the tail boom. The throttle linkage on the pilots side was found to have…NTSB FTW86LA041Accident · Minor injuriesLimited investigationFinal reportHughes 369D · New Boston, TXThe pilot experienced a tail rotor drive shaft flexible coupling failure when he pulled collective pitch to come to a hover before landing. The helicopter entered an uncontrollable right spin. During his haste to get the helicopter on the ground the pilot…