# NTSB investigations: Ayres S2R-G6: Loss of engine power(total) - mech failure/malf

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 ATL06LA093](https://openairdocs.org/ntsb/ATL06LA093.md): Ayres S2R-G6 · Selma, AL · Accident · No injuries · Limited investigation · Final report · Jun 14, 2006 · N6133T · Substantial damage
  > The loss of engine power during the approach to land due to an uncontained turbine failure, which resulted in an in-flight fire.
- [NTSB FTW00LA118](https://openairdocs.org/ntsb/FTW00LA118.md): Ayres S2R-G6 · Oak Grove, LA · Accident · No injuries · Limited investigation · Final report · Apr 6, 2000 · N3004V · Substantial damage
  > The failure of a spur gear from the torque sensor gear assembly resulting in a loss of engine power. A factor was the muddy terrain encountered during the forced landing.
- [NTSB FTW97LA170](https://openairdocs.org/ntsb/FTW97LA170.md): Ayres S2R-G6 · El Dorado, AR · Accident · No injuries · Limited investigation · Final report · Apr 29, 1997 · N31575 · Substantial damage
  > The pilot misjudging his altitude above the airport, resulting in not attaining the proper touchdown point. A factor was the separation of teeth from the aft gear of the spur gear assembly, which resulted in the interruption of fuel.
- [NTSB LAX96LA196](https://openairdocs.org/ntsb/LAX96LA196.md): Ayres S2R-G6 · Williams, CA · Accident · No injuries · Limited investigation · Final report · May 11, 1996 · N447AT · Substantial damage
  > The pilot's failure to maintain directional control during a rejected takeoff, and the catastrophic failure of the engine's turbine section due to an improper overhaul procedure. A factor in the accident was the close proximity of the drainage ditch to the…

## 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 ('0970216')
    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" = 351))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=0970216&occurrence=351

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