# NTSB investigations: Hughes 269A: 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 CEN22LA077](https://openairdocs.org/ntsb/CEN22LA077.md): Hughes 269A · Crowley, TX · Accident · No injuries · Class 4 · Limited · Final report · Dec 14, 2021 · N8827F · Substantial damage
  > The student pilot’s encounter with a loss of tail rotor effectiveness during hover, and the flight instructor’s delayed remedial action that resulted in an emergency landing and impact with terrain.
- [NTSB GAA18CA159](https://openairdocs.org/ntsb/GAA18CA159.md): Hughes 269 · Jacksonville, FL · Accident · No injuries · Data collection · Final report · Mar 10, 2018 · N9020M · Substantial damage
  > The pilot’s failure to maintain rotor rpm during a practice autorotation, which resulted in ground contact and a dynamic rollover.
- [NTSB CEN15WA162](https://openairdocs.org/ntsb/CEN15WA162.md): Hughes 269A · Oresten, Sweden · Accident · No injuries · Foreign investigation · Feb 6, 2015 · N90584 · Substantial damage
- [NTSB CHI08CA267](https://openairdocs.org/ntsb/CHI08CA267.md): Hughes 269A · Bremen, OH · Accident · No injuries · Data collection · Final report · Aug 23, 2008 · N2256W · Substantial damage
  > The pilot's failure to maintain sufficient main rotor speed during the quick-stop maneuver. Contributing to the accident was the drainage ditch.
- [NTSB DFW08CA114](https://openairdocs.org/ntsb/DFW08CA114.md): Hughes 269A · Killeen, TX · Accident · No injuries · Data collection · Final report · Apr 23, 2008 · N9064N · Substantial damage
  > The pilot's failure to maintain main rotor RPM and a safe rate of descent during the autorotation. A contributing factor was the gusty 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 ('4470402')
    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=4470402

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