NTSB investigations: Hughes Helicopters HUGHES 369D, 1996
7 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\") = 1996
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") = 1996
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 SEA97LA032Accident · Serious injuriesLimited investigationFinal reportHughes 369D · Forks, WAfuel contamination, which resulted in loss of engine power. Factors relating to the accident included: improper servicing of the helicopter, and a lack of suitable terrain for an emergency landing due to the proximity of trees.NTSB LAX97LA039Accident · No injuriesLimited investigationFinal reportMcDonnell Douglas 369D · Hana, HIsubsequent failure of the spur adapter gearshaft (SAG), after 'retaining ring to compressor impeller machining' occurred and allowed the SAG to shift aft. The mechanism which induced the ring to impeller machining was not determined. Mountainous terrain in…NTSB ANC96LA111Accident · Minor injuriesLimited investigationFinal reportMcDonnell Douglas MD369D · Healy, AKThe inadequate visual outlook by the pilots of both aircraft, and their failure to see and avoid the other aircraft. A factor associated with the accident was sunglare affecting the helicopter pilot's vision.NTSB SEA96LA144Accident · Minor injuriesLimited investigationFinal reportHughes 369D · Mcminnville, ORimproper maintenance (replacement) and inspection of the engine fuel governor by company maintenance personnel, the pilot's inadequate preflight inspection, and a subsequent disconnect of the adjustable governor lever control rod, which disabled the engine…NTSB ANC96TA092Accident · No injuriesFinal reportHughes 369D · Ketchikan, AKThe pilot's failure to maintain control of the helicopter. The pilot's selection of unsuitable terrain for landing was a factor in the accident.NTSB ANC96LA045Accident · Minor injuriesLimited investigationFinal reportMcDonnell Douglas H-369 · Delta Junction, AKloss of engine power for an undetermined reason.NTSB CHI96FA091Accident · 2 fatalField investigationFinal reportHughes 369D · Dweese, NEthe pilot's improper in-flight planning and decision, and his lack of total experience in the type of operation. A factor was the crosswind.