NTSB investigations: Hughes 369HS, FL

9 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

19772026
NTSB investigations: Hughes 369HS, FL per year, 1977–2026: 9 cases
19771
19811
19831
19861
19871
19881
19921
19931
19941

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 c.\"eventStateOrRegion\" = 'FL' 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 ('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 MIA94LA165Accident · Serious injuriesLimited investigationFinal reportHughes 369HS · Sarasota, FLAltitude misjudged by the pilot.Jun 22, 1994 · N520TC · Substantial damageNTSB MIA93LA143Accident · Minor injuriesLimited investigationFinal reportHughes 369HS · Orlando, FLUnsuitable terrain encountered during the autorotative forced landing. Contributing to the accident was total loss of engine power due to seizure of the compressor impeller following failure of the no.2 bearing for undetermined reasons.Jun 15, 1993 · N500RT · Substantial damageNTSB 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 · DestroyedNTSB MIA88FA257Accident · Serious injuriesField investigationFinal reportHughes 500 · Riviera Beach, FLThe traffic watch helicopter was cruising northbound along the interstate at 450 ft AGL & 85 KTS airspeed. A grinding noise was heard & the tail rotor separated from the acft. The acft began an uncommanded right turn which was arrested in about 1/4 turn. The…Aug 19, 1988 · N3766Z · Substantial damageNTSB MIA87LA106Accident · Minor injuriesLimited investigationFinal reportHughes 364HS · Opa Locka, FLThe pilot of the helicopter was executing a normal approach to the ground when as he neared the ground the ventral fin struck the ground. The tail rotor driveshaft re-centered and the pilot thought the accompanying shudder was a tail rotor failure, and landed…Mar 12, 1987 · N4507C · Substantial damageNTSB 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 MIA83LA079Accident · No injuriesLimited investigationFinal reportHughes 500-369HS · Boca Raton, FLThe plt reported the flt experienced a total eng power loss & the acft was ditched in the intracoastal waterway. All examinations & tests conducted during the investigation revealed no evidence of a preimpact failure or malfunction of the airframe or eng.Feb 21, 1983 · N2254X · Substantial damageNTSB MIA82FKT02Accident · Minor injuriesClosedHughes 369HS · Sunrise, FLNov 23, 1981 · N9071F · DestroyedNTSB MIA77FLA31Accident · No injuriesClosedHughes 369HS · Bunnell, FLJun 6, 1977 · N9081F · Substantial damage