# NTSB investigations: Schweizer 269C-1: Loss of control on ground

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 CEN23LA301](https://openairdocs.org/ntsb/CEN23LA301.md): Schweizer 269C-1 · Titusville, FL · Accident · Minor injuries · Class 4 · Limited · Final report · Jul 10, 2023 · N21409 · Substantial damage
  > The student pilot’s failure to maintain helicopter control while on the ground when his attention was diverted for post flight activities.
- [NTSB GAA17CA296](https://openairdocs.org/ntsb/GAA17CA296.md): Schweizer 269C · Eden Prairie, MN · Accident · Minor injuries · Data collection · Final report · May 22, 2017 · N2032S · Substantial damage
  > The student pilot's loss of lateral control while practicing autorotations from a hover and the flight instructor's delayed remedial action, which resulted in a bounced landing and dynamic roll-over.
- [NTSB ERA11LA116](https://openairdocs.org/ntsb/ERA11LA116.md): Schweizer 269C-1 · Stuart, FL · Accident · No injuries · Limited investigation · Final report · Jan 15, 2011 · N21086 · Substantial damage
  > The student pilot's inadvertent activation of the collective control, which allowed the helicopter to become airborne and impact the ramp.

## 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 ('8059504')
    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" = '230' 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/230/sequence?model=8059504

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