NTSB investigations: Hughes Helicopters HUGHES 369D
26 cases on aircraft the registry lists as Hughes Helicopters HUGHES 369D, where the sequence of events included Collision with terr/obj (non-CFIT). 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 | 1 |
|---|---|
| 2009 | 1 |
| 2010 | 1 |
| 2011 | 1 |
| 2012 | 3 |
| 2013 | 3 |
| 2014 | 2 |
| 2015 | 2 |
| 2016 | 1 |
| 2018 | 4 |
| 2019 | 1 |
| 2020 | 2 |
| 2022 | 1 |
| 2024 | 1 |
| 2025 | 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 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\" = '470' 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" = '470' 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 WPR26FA054Accident · 1 fatalClass 3 · FieldPreliminary reportHughes 369D · Pryor, OKOn December 5, 2025, about 0858 central standard time, a Hughes 369D, N161LA, was substantially damaged when it was involved in an accident near Pryor, Oklahoma. The pilot was fatally injured. The helicopter was operated as a Title 14 Code of Federal…NTSB CEN25FA307Accident · 2 fatalClass 3 · FieldFinal reportHughes 369D · West Alton, MOThe pilot’s failure to maintain helicopter clearance from the powerline during the powerline maintenance operation for reasons that could not be determined.NTSB ANC24LA016Accident · No injuriesClass 4 · LimitedFinal reportHughes 369D · Hana, HIThe pilot’s failure to ensure the passenger’s gear was properly secured before departure.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 ANC21LA003Accident · No injuriesClass 3 · LimitedFinal reportHughes 369 · Honolulu, HIA partial loss of engine power due to an obstructed fuel line as a result of the separation of the circlip from the pin used on the fuel start pump. The reason for the circlip separation could not be determined based on the available evidence.NTSB ERA20LA160Accident · No injuriesClass 3 · LimitedFinal reportHughes 369 · Pylesville, MDThe loss of engine power due to fuel starvation as a result of unporting of the fuel tank supply pickup while the helicopter was maneuvered to move a conductor wire. Contributing to the accident was the helicopter’s inappropriate configuration for the type of…NTSB ERA19FA118Accident · 1 fatalClass 3 · FieldFinal reportHughes 369 · Talking Rock, GAA fatigue failure of the overrunning clutch subassembly due to abnormal bending loads due to cracks on the center engine mount, which resulted in an inflight loss of power. Contributing to the accident was the helicopter's low altitude and airspeed when the…NTSB WPR18FA188Accident · 2 fatalField investigationFinal reportHughes 369 · MajuroThe pilot's failure to maintain clearance above the surface of the ocean.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 WPR17FA021Accident · 2 fatalField investigationFinal reportHughes 369 · Pukoo, HIThe pilot's decision to continue visual flight into an area of instrument meteorological conditions at night in rain, which resulted in his geographic disorientation and controlled flight into terrain.NTSB WPR16LA032Accident · No injuriesLimited investigationFinal reportHughes 369D · Carlisle, WAA total loss of engine power during cruise flight due to fuel exhaustion. Contributing to the accident was the improper calibration of the fuel quantity gauge.NTSB ERA16LA030Accident · No injuriesLimited investigationFinal reportHughes 369D · Marion, SCA momentary jam in the tail rotor control system from an undetermined source, resulting in a torsional fracture of the tail rotor control torque tube and a loss of helicopter control.NTSB CEN14LA398Accident · Serious injuriesLimited investigationFinal reportHughes 369D · West Liberty, OHA total loss of engine power, which resulted from fuel exhaustion due to the pilot’s failure to adequately monitor the fuel quantity during the flight.NTSB WPR14LA308Accident · Serious injuriesLimited investigationFinal reportMdhi 369D · Oso, WAThe pilot/mechanic’s failure to properly perform required inspections of the main rotor blades at the necessary intervals, which resulted in an in-flight separation of a main rotor blade due to disbonding and fatigue cracking. Contributing to the accident was…NTSB ANC13LA074Accident · No injuriesClass 3 · LimitedFinal reportHughes 500D · Delta Junction, AKA total loss of engine power for undetermined reasons, which necessitated an emergency hovering autorotation, during which the helicopter impacted trees and terrain.NTSB ERA13LA344Accident · Minor injuriesLimited investigationFinal reportHughes 369D · Center Point, WVA total loss of engine power for reasons that could not be determined because postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal operation.NTSB CEN13CA281Accident · No injuriesData collectionFinal reportHughes 369D · Camdenton, MOThe piece of wood/tree that contacted the main rotor blade during the low altitude tree-trimming flight.NTSB WPR13CA057Accident · Minor injuriesData collectionFinal reportHughes 369D · Sheridan, ORThe pilot’s failure to prevent the helicopter from entering a vortex ring state (settling with power) condition during an external load operation, which resulted in the helicopter’s main rotor blades impacting the truck.NTSB CEN13FA075Accident · 1 fatalField investigationFinal reportHughes 369 · Childress, TXThe improper maintenance of the helicopter fuel system that resulted in erroneous fuel gauge indications and the pilot’s inadequate fuel management, both of which resulted in fuel exhaustion during a long-line hover. Also causal was the lack of company…NTSB ERA13LA057Accident · 2 fatalLimited investigationFinal reportHughes 369D · Corning, NYThe pilot’s failure to maintain adequate altitude while conducting a power line aerial observation flight, which resulted in an in-flight collision with wires. Contributing to the accident was the pilot’s lack of total experience in the type of operation.NTSB ANC11IA059Incident · No injuriesIncident investigationFinal reportHughes 500D · McGrath, AKA fatigue fracture of the governor-to-fuel control Pc line, which resulted in a partial loss of engine power.NTSB WPR11LA048Accident · Serious injuriesLimited investigationFinal reportMD Helicopter 369D · Salem, ORThe pilot’s failure to maintain clearance between the longline and trees, which resulted in the longline snagging a tree and then recoiling into the main rotor blades and a subsequent loss of helicopter control.NTSB WPR09LA144Accident · Minor injuriesLimited investigationFinal reportMD Helicopter 369D · Trona, CAThe pilot's failure to maintain control while landing in a high density altitude environment due to a loss of tail rotor effectiveness.NTSB ERA09LA031Accident · Serious injuriesLimited investigationFinal reportHughes 369D · Carroll Township, PAA total loss of engine power due to the improper assembly of the compressor discharge tubes to the combustion liner.