# Fatal NTSB investigations: Hughes 269B

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 ERA27FA004](https://openairdocs.org/ntsb/ERA27FA004.md): Hughes 269B · Lahmansville, WV · Accident · 1 fatal · Class 3 · Field · Preliminary report · Oct 6, 2026 · N9390F · Substantial damage
  > On October 06, 2026, at about 1653 eastern daylight time, a Hughes 269B, N9390F, was substantially damaged when it was involved in an accident near Lahmansville, West Virginia. The pilot was fatally injured. The helicopter was operated as a Title 14 Code of…
- [NTSB DEN08FA122](https://openairdocs.org/ntsb/DEN08FA122.md): Hughes 269B · Salesville, AR · Accident · 2 fatal · Field investigation · Final report · Jul 15, 2008 · N469E · Destroyed
  > The pilot's failure to maintain clearance from the crossing transmission line.
- [NTSB LAX03FA134](https://openairdocs.org/ntsb/LAX03FA134.md): Hughes 269B · Auburn, CA · Accident · 2 fatal · Field investigation · Final report · Apr 11, 2003 · N16133 · Destroyed
  > the misjudged flare maneuver by an unknown crewmember during a likely practice autorotation that resulted in an in-flight collision with terrain.
- [NTSB FTW91FA123](https://openairdocs.org/ntsb/FTW91FA123.md): Hughes 269B · Brickeys, AR · Accident · 1 fatal · Field investigation · Final report · Jul 18, 1991 · N11XC · Destroyed
  > The failure of the clutch control cable due to fraying which initiated the forced landing and the operator's failure to perform recommended inspections on the aircraft. Factors were the pilot's failure to maintain rotor RPM and the unsuitable terrain.
- [NTSB LAX91LA257](https://openairdocs.org/ntsb/LAX91LA257.md): Schweizer 269B · Cottonwood, CA · Accident · 1 fatal · Limited investigation · Final report · Jun 9, 1991 · N103AB · Destroyed
  > The pilot's inadequate visual lookout. The transmission wire was a factor in the accident.
- [NTSB CHI88FA214](https://openairdocs.org/ntsb/CHI88FA214.md): Hughes 269B · Hampton, IL · Accident · 3 fatal · Field investigation · Final report · Aug 21, 1988 · N9499F · Destroyed
- [NTSB CHI88FA190](https://openairdocs.org/ntsb/CHI88FA190.md): Mcdonnell Douglas 269B · Braceville, IL · Accident · 2 fatal · Field investigation · Final report · Aug 2, 1988 · N9522F · Destroyed
  > Conducting maneuvering flight the PIC failed to monitor the helicopter systems and allowed the main rotor RPM to decay to the point where it would not produce enough lift to sustain flight.
- [NTSB FTW85FA050](https://openairdocs.org/ntsb/FTW85FA050.md): Hughes 269B · Clint, TX · Accident · 2 fatal · Field investigation · Final report · Nov 13, 1984 · N9336F · Destroyed
  > N9336F, crashed while on a training flt. The certified flt instructor & his student were killed. Investigation revealed that the main drive shaft thrust bearing had failed. A service bulletin dated 1968 mandated replacement of the bearing at 300 hr time in…
- [NTSB LAX84FA371](https://openairdocs.org/ntsb/LAX84FA371.md): Hughes 269B · Palos Verde Est, CA · Accident · 2 fatal · Field investigation · Final report · Jun 28, 1984 · N9400F · Destroyed
  > Gnd witnesses obsvd helicopter into normal turn at 500 ft AGL followed by a violent rt turn. During the violent turn the tail rotor assy separated & the main rotor blades coned upwards. The helicopter went into a near vertical descent & crashed. Wreckage exam…
- [NTSB ATL80FLG18](https://openairdocs.org/ntsb/ATL80FLG18.md): Hughes 269B · Whiteville, NC · Accident · 1 fatal · Closed · Aug 18, 1980 · N9435F · Destroyed
- [NTSB NYC78FA017](https://openairdocs.org/ntsb/NYC78FA017.md): Hughes 269B · Quincy, MA · Accident · 2 fatal · Closed · Dec 27, 1977 · N9364F · Destroyed
- [NTSB CHI74AC037](https://openairdocs.org/ntsb/CHI74AC037.md): Hughes 269B · Springfield, OH · Accident · 2 fatal · Closed · Oct 16, 1973 · N9342F · Destroyed
- [NTSB MKC69A0043](https://openairdocs.org/ntsb/MKC69A0043.md): Hughes 269B · Kansas City, MO · Accident · 1 fatal · Closed · Jan 10, 1969 · N9496F · Destroyed
- [NTSB DIA68A0039](https://openairdocs.org/ntsb/DIA68A0039.md): Hughes 300 · Marlow Heights, MD · Accident · 2 fatal · Closed · Mar 21, 1968 · N9502F · Destroyed
- [NTSB CHI68A0052](https://openairdocs.org/ntsb/CHI68A0052.md): Hughes 269B · Evansville, IN · Accident · 2 fatal · Closed · Dec 9, 1967 · N9454F · Destroyed
- [NTSB SEA68A0041](https://openairdocs.org/ntsb/SEA68A0041.md): Hughes 269B · Imnaha, OR · Accident · 1 fatal · Closed · Nov 2, 1967 · N9426F · Destroyed
- [NTSB MKC67A0067](https://openairdocs.org/ntsb/MKC67A0067.md): Hughes 269B · Federal Dam, MN · Accident · 2 fatal · Closed · May 12, 1967 · N700 · Destroyed
- [NTSB CHI67A0057](https://openairdocs.org/ntsb/CHI67A0057.md): Hughes 269B · Lexington, KY · Accident · 1 fatal · Closed · Oct 28, 1966 · N9461F · Destroyed
- [NTSB NYC67A0042](https://openairdocs.org/ntsb/NYC67A0042.md): Hughes 269B · Tuxedo, MD · Accident · 2 fatal · Closed · Sep 1, 1966 · N9359F · Destroyed
- [NTSB OAK67A0001](https://openairdocs.org/ntsb/OAK67A0001.md): Hughes 269B · Oaklnd Arpt, CA · Accident · 2 fatal · Closed · Jul 1, 1966 · N9378F · Destroyed
- [NTSB SEA66A0051](https://openairdocs.org/ntsb/SEA66A0051.md): Hughes 269B · Beaver, OR · Accident · 3 fatal · Closed · Apr 19, 1966 · N9363F · Destroyed
- [NTSB FTW66A0086](https://openairdocs.org/ntsb/FTW66A0086.md): Hughes 269B · Little Rock, AR · Accident · 2 fatal · Closed · Apr 4, 1966 · N9392F · Destroyed
- [NTSB LAX66A0020](https://openairdocs.org/ntsb/LAX66A0020-175845.md): Hughes 269B · Los Angeles, CA · Accident · 2 fatal · Closed · Sep 9, 1965 · N9347F · Substantial damage
- [NTSB CHI66A0005](https://openairdocs.org/ntsb/CHI66A0005.md): Hughes 269B · Indianapolis, IN · Accident · 1 fatal · Closed · Jul 10, 1965 · N9362F · Destroyed
- [NTSB UNK65X0299](https://openairdocs.org/ntsb/UNK65X0299.md): Hughes 269B · Crown King, AZ · Accident · 2 fatal · Closed · Oct 16, 1964 · N9340F · Destroyed
- [NTSB UNK64X3056](https://openairdocs.org/ntsb/UNK64X3056.md): Hughes 269B · Rocheste, NY · Accident · 2 fatal · Closed · Jul 26, 1964 · N9348F · Destroyed
- [NTSB UNK64X2401](https://openairdocs.org/ntsb/UNK64X2401.md): Hughes 269B · Coon Rapids, MN · Accident · 3 fatal · Closed · Jun 20, 1964 · N9324F · Destroyed
- [NTSB UNK64X1888](https://openairdocs.org/ntsb/UNK64X1888.md): Hughes 300 · Bishop, CA · Accident · 1 fatal · Closed · May 22, 1964 · N9353F · Destroyed

## 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."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 ('4470502'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?fatal=1&model=4470502

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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.