# NTSB investigations: Ayres S-2R: Loss of engine power

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 CHI03LA297](https://openairdocs.org/ntsb/CHI03LA297.md): Ayres S-2R · Eudora, AR · Accident · No injuries · Limited investigation · Final report · Aug 24, 2003 · N5671X · Substantial damage
  > A loss of engine power for undetermined reasons. Factors associated with the accident were the trees and the ditch which the airplane contacted during the forced landing.
- [NTSB LAX94LA143](https://openairdocs.org/ntsb/LAX94LA143.md): Ayres S2R · Winterhaven, CA · Accident · No injuries · Limited investigation · Final report · Feb 16, 1994 · N4003W · Destroyed
  > A loss of engine power for an undetermined reason.
- [NTSB LAX91LA331](https://openairdocs.org/ntsb/LAX91LA331.md): Ayres S2R · Visalia, CA · Accident · Serious injuries · Limited investigation · Final report · Jul 27, 1991 · N3087D · Destroyed
  > A loss of engine power due to the failure of the master rod to the number one cylinder resulting from a lack of oil.
- [NTSB MKC84LA152](https://openairdocs.org/ntsb/MKC84LA152.md): Ayres S2R · Wilmot, AR · Accident · No injuries · Limited investigation · Final report · May 28, 1984 · N5675X · Substantial damage
  > Plt stated a loss of pwr occurred shortly after takeoff at an alt of 100 ft AGL. The acft nosed over during the forced landing. Inspection of the engine revealed no pre-impact failue/malfunction.
- [NTSB FTW82DA236](https://openairdocs.org/ntsb/FTW82DA236.md): Ayres S-2R · Edgerly, LA · Accident · No injuries · Final report · Jun 16, 1982 · N8989Q · Substantial damage
  > After takeoff with a load of fertilizer, the aircraft lost power and a forced landing was made which resulted in damage to the aircraft. The cause of the engine malfunction was not determined.

## 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 ('0970101', '0970113', '0970114')
    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" = 350))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=0970101&occurrence=350

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