NTSB investigations: Hughes Helicopters HUGHES 369D, 2018
10 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\") = 2018
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") = 2018
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 CEN19FA020Accident · 1 fatalClass 2 · FieldFinal reportHughes 369 · McDougal, ARThe pilot's failure to maintain the helicopter's clearance from the powerline structure while hovering in gusty wind conditions, which resulted in an inadvertent collision with the structure and an uncontrolled descent into terrain.NTSB GAA18CA506Accident · No injuriesData collectionFinal reportHughes 369 · Ridgeway, PAThe pilot's failure to maintain clearance from power lines during an aerial observation flight.NTSB WPR18LA226Accident · Serious injuriesClass 3 · LimitedFinal reportHughes 369 · Riverside, CAThe instructor’s delayed remedial action to an excessive descent rate during a simulated autorotation, which resulted in a hard landing.NTSB WPR18LA221Accident · No injuriesClass 2 · LimitedFinal reportHughes 369 · Honolulu, HIThe operator's improper installation of the tail rotor (TR) teeter bearings, which resulted in cascading in-flight failures of the TR components and attach hardware.NTSB WPR18FA188Accident · 2 fatalField investigationFinal reportHughes 369 · MajuroThe pilot's failure to maintain clearance above the surface of the ocean.NTSB GAA18CA249Accident · No injuriesData collectionFinal reportHughes 369 · Newark, OHThe pilot’s failure to maintain adequate clearance from transmission power wires, which resulted in a tail rotor strike.NTSB CEN18LA121Accident · Serious injuriesLimited investigationFinal reportHughes 369D · Blair, WIThe pilot’s failure to recognize and compensate for hazards during the external load operation, which led to a collision between a lineman (external load) and a powerline.NTSB WPR18CA100Accident · Minor injuriesData collectionFinal reportHughes 369D · Pacific Ocean, Marshall IslandsAn in-flight mechanical malfunction with the helicopter, which necessitated a ditching in the ocean. The reason for the malfunction could be determined because the helicopter sank and was not recovered.NTSB WPR18FA074Accident · 1 fatalField investigationFinal reportHughes 369D · Pomeroy, WAA loss of control following the gunner's failure to ensure that the net maintained clearance from the tail rotor.NTSB ERA18LA091Accident · Serious injuriesLimited investigationFinal reportHughes 369 · San Juan, PRThe helicopter pilot's improper decision to use an open-end grapple, instead of an A-frame attachment, to lift and move a ladder with a lineman on it and the lineman's improper decision to be lifted on a ladder via an open-end grapple, which were contrary to…