# NTSB investigations: Lycoming LTS-101 series: Airframe/component/system failure/malfunction

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 LAX03IA252](https://openairdocs.org/ntsb/LAX03IA252.md): Bell 222 · Salinas, CA · Incident · No injuries · Incident investigation · Final report · Jul 30, 2003 · N29KH · No damage
  > The fatigue failure (fracture) of the right forward transmission lift link during cruise flight, which resulted in a severe vibration and an emergency landing.
- [NTSB LAX92FA025](https://openairdocs.org/ntsb/LAX92FA025.md): Aerospatiale AS350B · Scottsdale, AZ · Accident · Minor injuries · Field investigation · Final report · Oct 26, 1991 · N9001S · Substantial damage
  > An undetermined malfunction of the hydraulic system in which the system was locked, preventing the movement of the flight controls, and loss of directional control.
- [NTSB NYC88IA186](https://openairdocs.org/ntsb/NYC88IA186.md): MBB BK-117 · Manhattan, NY · Incident · No injuries · Incident investigation · Final report · Jul 12, 1988 · N135CP · Minor damage
  > Failure of the main rotor blade appears to be the result of a static downward bending overstress, caused by another helicopter hovering over or very close to the main rotor blade as it was in a static/stopped position.

## 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" = 130))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41560&occurrence=130

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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.