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Fatal NTSB investigations: Hughes 369HS

35 cases on aircraft the registry lists as Hughes 369HS. 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.

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Cases per year

19692026

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Query with SQL

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."highestInjuryLevel" = 'Fatal' AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('4470728')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

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.\"highestInjuryLevel\" = 'Fatal'
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('4470728'))
  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."highestInjuryLevel" = 'Fatal'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('4470728'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

Run 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 WPR15LA257Accident · 1 fatalLimited investigationFinal reportHughes 369HS · Manra Island, KiribatiA The loss of helicopter control for reasons that could not be determined asbecause the helicopter sank in the oceanwater and was not recovered.Sep 3, 2015 · N9068F · Destroyed NTSB WPR13LA137Accident · 1 fatalLimited investigationFinal reportHughes 369HS · Latangai Island, Papua New GuineaThe failure of both the pilot and the fish master of the vessel to adequately monitor their environment, which resulted in a collision.Mar 2, 2013 · N471M · Substantial damage NTSB SEA01FA032Accident · 2 fatalField investigationFinal reportHughes 369HS · Pierce, IDWhile maneuvering, clearance from an object was not maintained. A tree was a factor.Dec 28, 2000 · N9186F · Substantial damage NTSB MIA00FA029Accident · 2 fatalField investigationFinal reportHughes 369HS · Helena, ALThe pilots continued visual flight rules flight into instrument meteorological conditions resulting in his becoming spatially disoriented and loosing control of the helicopter, which resulted in an uncontrolled descent and impact with the ground.Nov 25, 1999 · N395WM · Destroyed NTSB LAX99LA292Accident · 2 fatalLimited investigationFinal reportHughes 369HS · Pohnpei (Pacific Ocean)An in-flight collision with the water for undetermined reasons.Sep 1, 1999 · N42054 · Destroyed NTSB LAX98LA200Accident · 2 fatalLimited investigationFinal reportHughes 369HS · Pacific Ocean (Pacific Ocean)The improper shimmying of the tail rotor driveshaft by maintenance personnel which induced fatigue in the tail rotor driveshaft coupling causing it to fail, which resulted in a loss of tail rotor control. A factor is the failure of the pilot to recognize the…Jun 16, 1998 · N95MS · Destroyed NTSB LAX97LA218Accident · 1 fatalLimited investigationFinal reportHughes 369HS · Pacific Ocean (Pacific Ocean)The unapproved field modification of the cyclic trim switch, including the use of non-standard parts, which resulted in a hard-over lateral trim failure, and the pilot's subsequent failure to maintain control of the helicopter during a landing approach. A…Jun 20, 1997 · N4250N · Destroyed NTSB CHI97LA016Accident · 1 fatalLimited investigationFinal reportHughes 369 · Vestaburg, MIfailure of the pilot to maintain clearance with the wires.Oct 28, 1996 · N9251F · Substantial damage NTSB LAX95LA063Accident · 2 fatalLimited investigationFinal reportMcDonnell Douglas 500 · Chuuk Island (Pacific Ocean)undetermined.Dec 29, 1994 · N9128F · Destroyed NTSB SEA94FA194Accident · 2 fatalField investigationFinal reportHughes 369HS · Seaside, ORInflight collision with terrain for undetermined reasons.Jul 24, 1994 · N7771F · Destroyed NTSB CHI94GA038Accident · 1 fatalFinal reportHughes 369HS · Antonia, MOThe pilot's failure to maintain proper altitude. A factor was the dark night.Nov 19, 1993 · N9179F · Substantial damage NTSB ATL93FA127Accident · 1 fatalField investigationFinal reportHughes 369HS · Talladega, ALThe pilot's poor in-flight decision to land downwind in a confined area that was surrounded by high obstructions, and his failure to properly compensate for the tailwind condition. A factor related to the accident was: the pilot's lack of total experience in…Jul 12, 1993 · N9116F · Substantial damage NTSB MIA92FA142Accident · 1 fatalField investigationFinal reportHughes 369HS · Labelle, FLThe pilot-in-command's improper application of collective pitch during an autorotative landing resulting in insufficient rotor RPM and in-flight collision with trees and the terrain. Contributing to the accident was the total loss of engine power due to fuel…Jun 26, 1992 · N9089F · Destroyed NTSB NYC90FA029Accident · 2 fatalField investigationFinal reportHughes 369HS · North Adams, MAFailure of the pilot-in-command (PIC) to assure proper rotor RPM and proper operation of the flight controls during an approach in gusty wind conditions. A factor related to the accident was: the pic's lack of experience in the type of operation.Nov 15, 1989 · N9208F · Destroyed NTSB MIA87FA046Accident · 2 fatalField investigationFinal reportHughes 369HS · Zephyrhills, FLA witness stated that she heard the eng on the helicopter quit. She looked out her window and watched the helicopter hit the ground, bounce, hit again, flip over and the tail broke off. The helicopter then burst into flames and exploded. Exam of the eng…Dec 9, 1986 · N8390F · Destroyed NTSB SEA86FA056Accident · 3 fatalField investigationFinal reportMcDonnell Douglas 369D · Cougar, WAThe helicopter departed the landing area after a night photography session across the valley floor from the Mt. St. Helens volcano. Prior to departure the plt reported the weather was closing in and getting 'nasty'. Wx conditions as reported prior to…Feb 11, 1986 · N609PD · Destroyed NTSB DEN85FA180Accident · 4 fatalField investigationFinal reportHughes 369HS · Keystone, SDMain rotor hub was overhauled by a repair station that was not authroized by Hughes helicopters for hub overhauls. The main rotor hub and blades separated in-flt 279 hrs after overhaul. The acft crashed in a densily wooded area. Post accident exam of the main…Jul 6, 1985 · N5410W · Destroyed NTSB LAX83FA420Accident · 1 fatalField investigationFinal reportHughes 369HS · Ventura, CAThe helicopter was observed descending 'straight down' & 'nose first.' The wreckage was located about 200 yds offshore in about 30 ft of water. Witnesses stated that it was dark & hazy. They were able to see the acft lights, but not the stars. The plt did not…Sep 4, 1983 · N8500N · Destroyed NTSB LAX82DA140Accident · 3 fatalFinal reportHughes 369HS · 8 S. Of Page, AZThe aircraft was number two in a trail of three helicopters flying up the Colorado river at marble canyon to page, AZ when it struck an aerial cableway stretching across the river, 22 ft above the water. Witnesses stated that after the collision the…Apr 18, 1982 · N4EE · Destroyed NTSB LAX82FA026Accident · 2 fatalClosedHughes 369HS · Lakeside, CADec 11, 1981 · N90525 · Destroyed NTSB DEN81FA001Accident · 3 fatalClosedHughes 369HS · Silverton, COOct 4, 1980 · N9153F · Substantial damage NTSB LAX81FA001Accident · 2 fatalClosedHughes 369HS · Pacific Ocean (Pacific Ocean)Sep 30, 1980 · N9252F · Destroyed NTSB LAX80FA136Accident · 1 fatalClosedHughes 369HS · Las Vegas, NVAug 26, 1980 · N9144F · Substantial damage NTSB IAD80FA071Accident · 2 fatalClosedHughes 500 · Stephensville, MDMar 24, 1980 · N2769 · Destroyed NTSB FTW78FQG29Accident · 1 fatalClosedHughes 369HS · Brownfield, TXMay 8, 1978 · N9066F · Destroyed NTSB SEA77FYA28Accident · 1 fatalClosedHughes 369HS · American Falls, IDJul 9, 1977 · N9224F · Destroyed NTSB FTW77FRA27Accident · 2 fatalClosedPiper J3C-65 · Waller, TXJun 19, 1977 · N38101 · 2 aircraft · Destroyed NTSB ANC76AA128Accident · 3 fatalClosedHughes 369HS · Hawk Inlet, AKSep 2, 1976 · N9172F · Destroyed NTSB SEA76AS058Accident · 1 fatalClosedHughes 369HS · Tygh Valley, ORJun 28, 1976 · N9123F · Destroyed NTSB ANC75AA069Accident · 3 fatalClosedHughes 369HS · Petersburg, AKMar 23, 1975 · N9139F · Substantial damage NTSB FTW73AF029Accident · 1 fatalClosedHughes 369HS · Venice, LADec 18, 1972 · N9093F · Destroyed NTSB ANC73AA024Accident · 1 fatalClosedHughes 369B · Deadhorse, AKOct 6, 1972 · N9039F · Destroyed NTSB NYC72AN161Accident · 3 fatalClosedHughes 369HS · Hornell, NYJun 25, 1972 · N9067F · Destroyed NTSB FTW72FRD26Accident · 1 fatalClosedHughes 369 · Harahan, LAMay 9, 1972 · N9092F · Minor damage NTSB DEN70A0010Accident · 2 fatalClosedHughes 369HS · American Fork, UTAug 12, 1969 · N9030F · Destroyed