# NTSB investigations: Hughes Helicopters 369E

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 ERA24FA075](https://openairdocs.org/ntsb/ERA24FA075.md): Hughes Helicopters 369E · Miami, FL · Accident · 1 fatal · Class 3 · Field · Final report · Dec 27, 2023 · N757TB · Substantial damage
  > Main rotor contact with the tail boom for unknown reasons, resulting in the separation of the tail boom.
- [NTSB WPR22LA305](https://openairdocs.org/ntsb/WPR22LA305.md): Hughes Helicopters 369E · Ely, NV · Accident · No injuries · Class 4 · Limited · Final report · Aug 15, 2022 · N500AR · Substantial damage
  > The pilot’s failure to maintain clearance from terrain while maneuvering at a low altitude.
- [NTSB GAA18CA117](https://openairdocs.org/ntsb/GAA18CA117.md): Hughes Helicopters 369 · Wrightwood, CA · Accident · No injuries · Data collection · Final report · Feb 1, 2018 · N618SG · Substantial damage
  > The pilot’s high altitude, high gross weight landing with insufficient tail rotor thrust resulting in a loss of tail rotor effectiveness.
- [NTSB ERA17LA209](https://openairdocs.org/ntsb/ERA17LA209.md): Hughes 369 · Dennis, WV · Accident · No injuries · Limited investigation · Final report · Jun 23, 2017 · N765KV · Substantial damage
  > The unporting of fuel due to the helicopter's nose-up attitude during long line operations, which resulted in fuel starvation and a total loss of engine power.
- [NTSB WPR12LA328](https://openairdocs.org/ntsb/WPR12LA328.md): Hughes Helicopters 369E · The Dalles, OR · Accident · Serious injuries · Limited investigation · Final report · Jul 26, 2012 · N427WC · Substantial damage
  > The loss of engine power due to fuel starvation, which resulted from the fuel tank supply pickup becoming unported while the helicopter was pulling power lines.
- [NTSB SEA07LA021](https://openairdocs.org/ntsb/SEA07LA021.md): Hughes 369E · Jensen, UT · Accident · 1 fatal · Limited investigation · Final report · Nov 21, 2006 · N500FU · Substantial damage
  > The pilot's failure to maintain clearance with the transmission wires due to an inadquate visual lookout while maneuvering during a search and rescue flight.
- [NTSB SEA05CA200](https://openairdocs.org/ntsb/SEA05CA200.md): McDonnell Douglas 369E · Medford, OR · Accident · Minor injuries · Data collection · Final report · Sep 24, 2005 · N5207C · Substantial damage
  > In-flight collision with terrain during a precautionary landing. Factors include instrument meteorological conditions and pilot disorientation.
- [NTSB SEA05CA173](https://openairdocs.org/ntsb/SEA05CA173.md): Hughes 369E · Donnelly, ID · Accident · No injuries · Data collection · Final report · Aug 16, 2005 · N500FU · Substantial damage
  > The pilot's failure to maintain clearance of a tree during a landing attempt due to loss of visibility from a self induced brown-out condition. Contributing factors were the pilot's failure to identify a hazardous landing site, and the tree.
- [NTSB SEA03TA116](https://openairdocs.org/ntsb/SEA03TA116.md): McDonnell Douglas 369E · Big Timber, MT · Accident · Minor injuries · Final report · Jun 25, 2003 · N1502 · Substantial damage
  > Fretting on the outside diameter of the compressor coupling adapter which resulted in fatigue and subsequent fracture of the adapter, and ultimately the disconnection of the compressor from the turbine assembly. Contributing factors were low rotor RPM, uneven…
- [NTSB ANC03LA026](https://openairdocs.org/ntsb/ANC03LA026.md): Hughes 369E · Paxson, AK · Accident · No injuries · Limited investigation · Final report · Feb 10, 2003 · N500DX · Substantial damage
  > The pilot's failure to maintain altitude/clearance from terrain. A factor contributing to the accident was the pilot's attention being diverted inside the cockpit to look at the global positioning system.
- [NTSB FTW03LA066](https://openairdocs.org/ntsb/FTW03LA066.md): Hughes 369E · Fritch, TX · Accident · No injuries · Limited investigation · Final report · Dec 22, 2002 · N5234Y · Substantial damage
  > The loss of engine power due to the failure of the generator input drive-end bearing, which resulted in excessive vibrations that induced a fatigue fracture of the Pc line leading to the engine fuel control unit. A contributing factor was the lack of suitable…
- [NTSB DEN02GA016](https://openairdocs.org/ntsb/DEN02GA016.md): Hughes 369E · Park City, UT · Accident · 3 fatal · Final report · Dec 27, 2001 · N280SP · Destroyed
  > the pilot's inadequate visual lookout, resulting in an inflight collision with powerlines. Contributing factors were the fog and the powerlines.
- [NTSB LAX01FA006](https://openairdocs.org/ntsb/LAX01FA006.md): McDonnell Douglas 369E · Kernville, CA · Accident · Minor injuries · Field investigation · Final report · Oct 8, 2000 · N819CE · Substantial damage
  > The pilot's improper storage of personal items and his inadequate preflight inspection, which resulted in the unlatching of the left rear cabin door during flight and allowing a plastic garment bag to blow out and strike the tail rotor.
- [NTSB LAX00LA047](https://openairdocs.org/ntsb/LAX00LA047.md): Boeing 369E · Taft, CA · Accident · No injuries · Limited investigation · Final report · Nov 30, 1999 · N5238C · Substantial damage
  > The fatigue failure of a second stage compressor vane due to erosion, which resulted in a catastrophic engine failure. An inadequate inspection of the compressor section by company maintenance personnel during the last 300-hour inspection was also causal in…
- [NTSB MIA99FA158](https://openairdocs.org/ntsb/MIA99FA158.md): Hughes 369E · Intercession, FL · Accident · 1 fatal · Field investigation · Final report · May 20, 1999 · N144CM · Substantial damage
  > The pilot's improper fuel management that resulted in fuel exhaustion and a total loss of engine power.
- [NTSB SEA98LA050](https://openairdocs.org/ntsb/SEA98LA050.md): Hughes 369E · Seattle, WA · Accident · Minor injuries · Limited investigation · Final report · Mar 22, 1998 · N5245P · Substantial damage
  > Loss of engine power due to a restricted fuel system filter.
- [NTSB ATL97LA086](https://openairdocs.org/ntsb/ATL97LA086.md): McDonnell Douglas MDHC-369E · Okahumpka, FL · Accident · Serious injuries · Limited investigation · Final report · Jun 13, 1997 · N765KV · No damage
  > The failure of the crewmember to use the necessary safety equipment, and his subsequent fall from an elevated platform. A factor was the crewmember's distraction with an animal.
- [NTSB CHI97LA008](https://openairdocs.org/ntsb/CHI97LA008.md): Hughes 369E · Hesston, KS · Accident · No injuries · Limited investigation · Final report · Oct 15, 1996 · N504AP · Substantial damage
  > the pilot selected unsuitable terrain for landing. The factors involved were: an inoperative landing light, dusk light conditions, and the terrain condition.
- [NTSB MIA95GA062](https://openairdocs.org/ntsb/MIA95GA062.md): Hughes 369E · Tampa, FL · Accident · 1 fatal · Final report · Jan 19, 1995 · N4TP · Destroyed
  > The pilot's failure to maintain aircraft control as a result of becoming spatially disoriented while maneuvering. Contributing to the accident was the dark night with no visible horizon.
- [NTSB LAX94LA352](https://openairdocs.org/ntsb/LAX94LA352.md): Hughes 369E · Volcano, HI · Accident · Minor injuries · Limited investigation · Final report · Sep 4, 1994 · N279F · Substantial damage
  > the pilot's failure to maintain adequate main rotor rpm and the resultant inadvertent skid contact with the ground.
- [NTSB SEA92LA088](https://openairdocs.org/ntsb/SEA92LA088.md): Hughes 369E · Hillsboro, OR · Accident · No injuries · Limited investigation · Final report · May 1, 1992 · N5211Y · Substantial damage
  > The pilot in command's excessive application of collective.
- [NTSB BFO90LA075](https://openairdocs.org/ntsb/BFO90LA075.md): Hughes 369E · Prestonburg, KY · Accident · Serious injuries · Limited investigation · Final report · Sep 14, 1990 · N50075 · Destroyed
  > The lost of engine power for undetermined reasons.
- [NTSB FTW90TL#01](https://openairdocs.org/ntsb/FTW90TL%2301.md): Hughes 369E · Stroud, OK · Accident · No injuries · Class 3 · Final report · Dec 14, 1989 · N600TP · Substantial damage
- [NTSB LAX87FA173](https://openairdocs.org/ntsb/LAX87FA173.md): Hughes 369E · Palm Desert, CA · Accident · Serious injuries · Field investigation · Final report · Apr 11, 1987 · N5200W · Substantial damage
  > The helicopter dscndd uncontrolled & crashed in a residential area. After the acdnt, the plt said he agreed to orbit the residence of his pax. At the aprx 135 deg point of a left orbit, he felt 'a bang & severe vibration in the tail.' The plt lost drctnl ctl…
- [NTSB CHI85FA213](https://openairdocs.org/ntsb/CHI85FA213.md): Hughes 369E · Indianapolis, IN · Accident · Serious injuries · Field investigation · Final report · May 25, 1985 · N5219A · Destroyed
  > As the helicopter was on downwind for the heliport, the plt experienced an pwr interruption and eventually a eng failure. He was attempting an autorotation to railroad tracks when he saw wires. He managed to miss the wires but by doing so he expended the…

## 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 ('4470707'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=4470707

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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.