# NTSB investigations: Hughes 269C: 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 GAA18CA060](https://openairdocs.org/ntsb/GAA18CA060.md): Hughes 300 · Woodlawn, VA · Accident · No injuries · Data collection · Final report · Nov 22, 2017 · N9685F · Substantial damage
  > The pilot’s inappropriate descent profile during landing with a quartering gusting tailwind, which resulted in a loss of main rotor rpm.
- [NTSB CEN16FA315](https://openairdocs.org/ntsb/CEN16FA315.md): Hughes 269C · Howe, TX · Accident · 1 fatal · Field investigation · Final report · Aug 10, 2016 · N9277R · Substantial damage
  > The improper execution of an autorotation following the loss of engine power, which resulted in an uncontrolled descent into terrain. Contributing to the accident was the flight instructor's lack of remedial action during the autorotation.
- [NTSB GAA16CA363](https://openairdocs.org/ntsb/GAA16CA363.md): Hughes 269C · Cullman, AL · Accident · No injuries · Data collection · Final report · Jul 1, 2016 · N9658F · Substantial damage
  > The helicopter flight instructor candidate's improper execution of the autorotation, resulting in abnormal ground contact and subsequent damage to the vertical stabilizer and tail rotor drive assembly.
- [NTSB WPR13CA160](https://openairdocs.org/ntsb/WPR13CA160.md): Hughes 269C · Rialto, CA · Accident · No injuries · Data collection · Final report · Mar 25, 2013 · N90570 · Substantial damage
  > The student pilot’s failure to maintain helicopter control while maneuvering in a hover.
- [NTSB ERA12LA477](https://openairdocs.org/ntsb/ERA12LA477.md): Hughes 269C · St. Petersburg, FL · Accident · No injuries · Limited investigation · Final report · Jul 24, 2012 · N9679F · Substantial damage
  > The pilot's failure to assure that the lateral friction control was released prior to flight.
- [NTSB WPR12FA191](https://openairdocs.org/ntsb/WPR12FA191.md): Hughes 269C · Phoenix, AZ · Accident · Serious injuries · Field investigation · Final report · May 2, 2012 · N380TL · Substantial damage
  > A loss of tail rotor drive due to a fatigue failure of the main transmission pinion, which resulted in a loss of directional control during cruise flight.
- [NTSB WPR11LA325](https://openairdocs.org/ntsb/WPR11LA325.md): Hughes 269C · Wenatchee, WA · Accident · Minor injuries · Limited investigation · Final report · Jul 12, 2011 · N3623Z · Substantial damage
  > The pilot's failure to maintain control while hovering out of ground effect at low altitude, which resulted in the helicopter settling into trees.
- [NTSB CEN09LA202](https://openairdocs.org/ntsb/CEN09LA202.md): Hughes 269C · El Indio, TX · Accident · Serious injuries · Limited investigation · Final report · Mar 11, 2009 · N64731 · Substantial damage
  > The pilot's failure to maintain control of the helicopter while attempting to land on a transport trailer in heavy rain and gusting winds.

## 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 ('4470504')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s."tier2Number" = '240' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent")))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/240/sequence?model=4470504

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