# NTSB investigations: Lycoming 0-435: Loss of engine power(partial) - 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 ANC86FA116](https://openairdocs.org/ntsb/ANC86FA116.md): Stinson 108-2 · Willow, AK · Accident · 2 fatal · Field investigation · Final report · Jul 28, 1986 · N942D · Destroyed
  > About 5 to 10 min prior to the acdnt, svrl witnesses in the vicinity of the Willow arpt saw the acft headed southbound. They rprtd the eng was running rough, but they saw no smoke or fire. Aprx 3 mi further south, other witnesses saw the acft make a 180 deg…
- [NTSB NYC82DA097](https://openairdocs.org/ntsb/NYC82DA097.md): Bell 47G-2 · Brookville, NY · Accident · No injuries · Final report · May 15, 1982 · N911X · Substantial damage
  > While returning to the heliport, the pilot noticed a decay in the engine and rotor rpm's. he elected to make a precautionary landing in a plowed field. During landing, the manifold pressure went to the red line while the RPM decayed. The helicopter touched…

## 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 ('41516')
    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" = 352))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41516&occurrence=352

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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.