# NTSB investigations: Hughes 369HS: Loss of control - in flight NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports. ## Latest cases - [NTSB FTW03LA134](https://openairdocs.org/ntsb/FTW03LA134.md): Hughes 369HS · Conroe, TX · Accident · No injuries · Limited investigation · Final report · Apr 19, 2003 · N16Q · Substantial damage > The pilot's inability to control the helicopter after encountering loss of tail rotor effectiveness. A contributing factor was the unfavorable winds. - [NTSB CHI00LA121](https://openairdocs.org/ntsb/CHI00LA121.md): Hughes 500C · Salina, KS · Accident · No injuries · Limited investigation · Final report · Apr 24, 2000 · N9177F · Substantial damage > the loss of tail rotor effectiveness and the autorotation performed by the pilot. The unfavorable wind was a contributing factor. - [NTSB LAX00LA066](https://openairdocs.org/ntsb/LAX00LA066.md): Hughes 369HS · Pacific Ocean (Pacific Ocean) · Accident · No injuries · Limited investigation · Final report · Dec 30, 1999 · N9162F · Substantial damage > The pilot's decision to takeoff downwind and the subsequent failure to achieve translational lift before contact with the water. - [NTSB LAX98LA200](https://openairdocs.org/ntsb/LAX98LA200.md): Hughes 369HS · Pacific Ocean (Pacific Ocean) · Accident · 2 fatal · Limited investigation · Final report · Jun 16, 1998 · N95MS · Destroyed > 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… - [NTSB LAX97LA218](https://openairdocs.org/ntsb/LAX97LA218.md): Hughes 369HS · Pacific Ocean (Pacific Ocean) · Accident · 1 fatal · Limited investigation · Final report · Jun 20, 1997 · N4250N · Destroyed > 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… - [NTSB FTW97LA079](https://openairdocs.org/ntsb/FTW97LA079.md): Hughes 369HS · Wellington, CO · Accident · Minor injuries · Limited investigation · Final report · Jan 7, 1997 · N9089F · Destroyed > The pilot's failure to maintain control of the aircraft and his improper autorotation technique that induced the roll and subsequent ground collision. A factor was his lack of recurrent training. - [NTSB FTW94LA061](https://openairdocs.org/ntsb/FTW94LA061.md): Hughes 369HS · Mason, TX · Accident · Serious injuries · Limited investigation · Final report · Jan 1, 1994 · N7092Q · Destroyed > Loss of aircraft control for an undetermined reason. - [NTSB ATL93FA127](https://openairdocs.org/ntsb/ATL93FA127.md): Hughes 369HS · Talladega, AL · Accident · 1 fatal · Field investigation · Final report · Jul 12, 1993 · N9116F · Substantial damage > The 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… - [NTSB SEA90LA106](https://openairdocs.org/ntsb/SEA90LA106.md): Hughes 369HS · Randle, WA · Accident · No injuries · Limited investigation · Final report · Jun 21, 1990 · N4428F · Substantial damage > The pilot failed to compensate for the wind conditions. - [NTSB LAX88LA059](https://openairdocs.org/ntsb/LAX88LA059.md): Hughes 369HS · Lihue, Kauai, HI · Accident · Serious injuries · Limited investigation · Final report · Nov 26, 1987 · N77DJ · Substantial damage > Pilot failure to maintain adequate main rotor RPM. - [NTSB LAX83FA420](https://openairdocs.org/ntsb/LAX83FA420.md): Hughes 369HS · Ventura, CA · Accident · 1 fatal · Field investigation · Final report · Sep 4, 1983 · N8500N · Destroyed > The 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… - [NTSB ATL82DA231](https://openairdocs.org/ntsb/ATL82DA231.md): Hughes 369HS · Wrightsville Bc, NC · Accident · No injuries · Final report · Aug 8, 1982 · N4265P · Substantial damage > The pilot reported that he initiated a downwind takeoff in a 10 kt wind and started a climb over water. Reportedly, the helicopter began to spin to the right as it reached an altitude of about 50 ft AGL and 20 KTS. The pilot allowed the helicopter to rotate… ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('4470728') AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 250)) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?model=4470728&occurrence=250 --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.