NTSB investigations: Hughes 369HS, 1986

4 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.

Cases per year

19692026
NTSB investigations: Hughes 369HS, 1986 per year, 1969–2026: 167 cases
19691
19702
19713
19727
19733
19743
197513
19769
19779
19786
19796
19809
19817
19825
19833
19844
19852
19864
19875
19883
19893
19907
19913
19923
19933
19945
19954
19962
19974
19981
19994
20003
20012
20022
20032
20041
20052
20061
20091
20101
20121
20132
20141
20151
20211
20222
20261

Latest 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\") = 1986
    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.

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 · DestroyedNTSB ATL86LA251Accident · No injuriesLimited investigationFinal reportHughes 369HS/H-500 · Waterloo, ALThe acft lifted off the top of the support truck and started a takeoff with a partial load of chemicals to be applied to a logged over forest area. About 10-15 feet after lift off the plt detected a loss of rotor RPM. He was at the edge of a ravine with steep…Sep 7, 1986 · N9181F · Substantial damageNTSB CHI86LA219Accident · Minor injuriesLimited investigationFinal reportHughes 500 (369HS) · West Lafayette, INThe helicopter was at a low altitude hover video taping an athletic event when the aft flex coupling on the tail rotor failed. The plt was unable to regain control and during descent the main rotor blades struck the roof of a residence. The helicopter then…Sep 6, 1986 · N2254X · DestroyedNTSB 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