NTSB investigations: Hughes Helicopters HUGHES 369D, UT
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
| 1982 | 1 |
|---|---|
| 1983 | 1 |
| 1999 | 1 |
| 2006 | 2 |
| 2008 | 1 |
| 2022 | 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 c.\"eventStateOrRegion\" = 'UT' AND c.\"eventCountry\" = 'USA'
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 c."eventStateOrRegion" = 'UT' AND c."eventCountry" = 'USA'
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 WPR23LA063Accident · No injuriesClass 4 · LimitedFinal reportHughes 369D · La Sal, UTThe pilot’s failure to maintain clearance from terrain during a toe-in landing to sloping terrain which resulted in a loss of helicopter control.NTSB LAX08FA233Accident · 3 fatalField investigationFinal reportHughes 369D · Price, UTThe pilot's inadequate preflight performance planning for the takeoff and the loading that exceeded the lift performance capability of the helicopter.NTSB SEA06LA135Accident · No injuriesLimited investigationFinal reportHughes 369D · Moab, UTThe failure of the collective bungee support bracket due to non-compliance with a service information notice, which resulted in the pilot executing a precautionary autorotative landing. A contributing factor was the lack of suitable terrain for the landing.NTSB SEA06LA124Accident · No injuriesLimited investigationFinal reportHughes 369D · Salt Lake City, UTA loss of rotor rpm for undetermined reasons, resulting in a hard landing on top of the commercial building over which the helicopter was working.NTSB DEN99TA031Accident · No injuriesFinal reportHughes 369D · Woodruff, UTA partial loss of engine power due to erosion in the compressor assembly module. Factors were a missing rotating labyrinth seal, the installation of which had not been performed by unknown maintenance personnel.NTSB DEN83FA215Accident · Minor injuriesField investigationFinal reportHughes 369D · Woodruff, UTThe helicopter was being used to lift seismic materials on a 100 ft long line. After lifting the load to a hover at about 10 to 20 ft, the plt heard a loud 'bang' which was followed by a loss of directional control. The helicopter began uncontrolled spinning…NTSB DEN82DA073Accident · Minor injuriesFinal reportHughes 369D (500D) · Coalville, UTThe helicopter made a hard landing after the pilot experienced a power train failure while flying low and slow. The weather was VMC and a VFR flight plan was filed. The crew was searching for lost mining equipment in a low slow search pattern. The pilot heard…