# NTSB investigations: Lycoming LTS-101 series: 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 DFW06LA072](https://openairdocs.org/ntsb/DFW06LA072.md): Bell 222B · Gulf of Mexico (Gulf of Mexico) · Accident · Minor injuries · Limited investigation · Final report · Feb 19, 2006 · N306CH · Destroyed
  > The flight crew's failure to maintain control of the helicopter, and the crew's diverted attention to secondary tasks while preparing for the night landing. A contributing factor was the dark night conditions.
- [NTSB LAX04CA332](https://openairdocs.org/ntsb/LAX04CA332.md): Bell 222U · Santa Rosa, CA · Accident · No injuries · Data collection · Final report · Sep 28, 2004 · N222UT · Substantial damage
  > the pilot-in-command's (examinee's) incorrect collective control response to a simulated power loss of the number 1 engine.
- [NTSB CHI00FA111](https://openairdocs.org/ntsb/CHI00FA111.md): Bell 222U · St. Paul, MN · Accident · No injuries · Field investigation · Final report · Apr 14, 2000 · N225LL · Substantial damage
  > The loss of clamp-up force between the transmission case and the pylon mounted actuator support assembly which resulted in fatigue failure of the threaded studs and dowel pins, the failure of the flight control system, helicopter control not being possible…

## 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.engine_model_code IN ('41560')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 250))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41560&occurrence=250

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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.