# NTSB investigations: Lycoming 0-540F1 SERIE, CA

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 WPR18FA077](https://openairdocs.org/ntsb/WPR18FA077.md): Robinson Helicopter R44 · Newport Beach, CA · Accident · 3 fatal · Field investigation · Final report · Jan 30, 2018 · N7530R · Destroyed
  > The pilot's failure to perform weight and balance calculations before departing on the flight, which resulted in his operation of the helicopter outside of its published weight and balance limitations and a subsequent loss of control shortly after takeoff.
- [NTSB WPR17LA097](https://openairdocs.org/ntsb/WPR17LA097.md): Robinson Helicopter R44 · Santa Barbara, CA · Accident · Serious injuries · Limited investigation · Final report · May 5, 2017 · N981RR · Destroyed
  > A total loss of engine power during cruise flight due to the failure of an engine piston rod for reasons that could not be determined due to extensive damage.
- [NTSB LAX06CA221](https://openairdocs.org/ntsb/LAX06CA221.md): Robinson R-44 · Fresno, CA · Accident · No injuries · Data collection · Final report · Jun 29, 2006 · N52EP · Substantial damage
  > the pilot's failure to maintain directional control following a loss of tail rotor effectiveness while in a downwind hover.
- [NTSB LAX05LA164](https://openairdocs.org/ntsb/LAX05LA164.md): Robinson R44 · Gustine, CA · Accident · No injuries · Limited investigation · Final report · May 11, 2005 · N144SM · Substantial damage
  > the improper installation of the nut/bolt assembly connecting the left cyclic push-pull tube to the non-rotating swashplate by maintenance personnel, which led to a loss of roll control during takeoff.
- [NTSB LAX04FA037](https://openairdocs.org/ntsb/LAX04FA037.md): Robinson R22 Beta II · Torrance, CA · Accident · 2 fatal · Field investigation · Final report · Nov 6, 2003 · N206TV · 2 aircraft · Destroyed
  > the failure of the pilot of the R22 to comply with an ATC clearance.

## 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" = 'CA' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41531'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41531&state=CA

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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.