NTSB investigations: Hughes Helicopters HUGHES 369D
9 cases on aircraft the registry lists as Hughes Helicopters HUGHES 369D, where the sequence of events included Hard landing. 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
| 2008 | 2 |
|---|---|
| 2009 | 2 |
| 2010 | 1 |
| 2012 | 1 |
| 2018 | 1 |
| 2022 | 1 |
| 2024 | 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.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('4470706')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s.\"tier2Number\" = '092' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE \"isDefiningEvent\")))
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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('4470706')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s."tier2Number" = '092' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent")))
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 ERA24LA215Accident · No injuriesClass 4 · LimitedFinal reportHughes 369 · Crestview, FLThe pilot’s improper flare, which resulted in a hard landing and the main rotor blades contacting the tail boom.NTSB ERA22LA117Accident · No injuriesClass 3 · LimitedFinal reportHughes 369D · Bel Air, MDA loss of engine power due to bearing failures in the turbine section resulting from a fatigue fracture of the oil supply line that fed oil to the Nos. 6 and 7 bearings. The oil line failure led to rapid deterioration of the bearings from oil starvation.…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 ERA12LA260Accident · Minor injuriesLimited investigationFinal reportHughes 369D · McCormick, SCThe pilot's decision to use automotive fuel instead of the approved alternate fuel, which resulted in a total loss of engine power.NTSB WPR10GA102Accident · Serious injuriesFinal reportHughes 369D · Kooskia, IDA complete loss of engine power due to the failure of the No. 2 bearing, which was precipitated by electrical arcing that occurred at an unknown time prior to the accident flight.NTSB ERA09FA414Accident · 1 fatalField investigationFinal reportHughes 369 · Franklin, PAA loss of engine power due to fuel exhaustion as a result of the pilot's fuel mismanagement.NTSB ERA09LA317Accident · Serious injuriesLimited investigationFinal reportHughes 369D · Greenville, VAThe inadequate design of the fourth-stage turbine wheel, resulting in the fatigue failure of one airfoil and a subsequent loss of engine power.NTSB SEA08TA188Accident · No injuriesFinal reportHughes 369D · Bonners Ferry, IDThe pilot's inadequate preflight planning for the takeoff and the helicopter loading that exceeded the lift performance capability of the helicopter.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.