# NTSB investigations: Hughes 269C: Collision with terr/obj (non-CFIT)

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 GAA18CA168](https://openairdocs.org/ntsb/GAA18CA168.md): Hughes 269 · San Antonio, TX · Accident · Minor injuries · Data collection · Final report · Mar 14, 2018 · N11047 · Substantial damage
  > The pilot’s decision to relinquish the helicopter flight controls to a non-rated passenger during a 3 ft hover.
- [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 WPR15FA204](https://openairdocs.org/ntsb/WPR15FA204.md): Hughes 269C · Asotin, WA · Accident · 2 fatal · Field investigation · Final report · Jul 1, 2015 · N9490F · Destroyed
  > The pilot's failure to maintain adequate clearance from power lines while maneuvering in a canyon.
- [NTSB WPR14LA340](https://openairdocs.org/ntsb/WPR14LA340.md): Hughes 269C · Darrington, WA · Accident · No injuries · Limited investigation · Final report · Aug 11, 2014 · N7432F · Substantial damage
  > Maintenance personnel’s failure to secure the throttle mount bracket during a recent engine installation, which resulted in the loss of throttle movement and an inability to control engine power.
- [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 CEN10LA560](https://openairdocs.org/ntsb/CEN10LA560.md): Schweizer 269C · Schaumburg, IL · Accident · No injuries · Limited investigation · Final report · Sep 20, 2010 · N34LB · Substantial damage
  > The in-flight separation of the left aft cluster fitting assembly following the loss of torque on the lock nut due to a manufacturing defect.

## 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" = '470' 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/470/sequence?model=4470504

---
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.