# NTSB investigations: Schweizer 269C, KS

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 CHI06TA033](https://openairdocs.org/ntsb/CHI06TA033.md): Schweizer 269C · Manhattan, KS · Accident · No injuries · Final report · Nov 18, 2005 · N400PD · Substantial damage
  > The binding of the main rotor blade's tachometer cable during cruise flight resulting in an observed split tachometer indication/aural alarm and perceived mechanical emergency and the unsuitable terrain the pilot encountered during the emergency landing. A…
- [NTSB CHI00GA160](https://openairdocs.org/ntsb/CHI00GA160.md): Schweizer 269C · Topeka, KS · Accident · 2 fatal · Final report · Jun 13, 2000 · N9488F · Destroyed
  > the pilot's failure to maintain translational lift while maneuvering, and the loss of tail rotor effectiveness. Factors relating to this accident were the tailwind, low airspeed, low rotor rpm, and the pilot's lack of overall experience in helicopters.
- [NTSB CHI99LA257](https://openairdocs.org/ntsb/CHI99LA257.md): Schweizer 269C · Jetmore, KS · Accident · No injuries · Limited investigation · Final report · Jul 27, 1999 · N88007 · Substantial damage
  > The pilot's use of improper procedures by not following the helicopter manufacturer's recommended engine RPM reduction procedures during autorotations. A factor was the pilot not attaining the proper rotor RPM during the autorotation practice.

## 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."eventStateOrRegion" = 'KS' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('8059502'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=8059502&state=KS

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