# NTSB investigations: Lycoming O-360 series, 2021

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 CEN21LA418](https://openairdocs.org/ntsb/CEN21LA418.md): Piper PA-44-180 · Magnolia, TX · Accident · No injuries · Class 3 · Limited · Final report · Sep 12, 2021 · N740FT · Substantial damage
  > A total loss of engine power due to fuel exhaustion, which resulted from the pilot’s inadequate preflight planning.
- [NTSB CEN21FA410](https://openairdocs.org/ntsb/CEN21FA410.md): Robinson Helicopter R22 Beta · Mentone, TX · Accident · 1 fatal · Class 3 · Field · Final report · Sep 10, 2021 · N292DD · Substantial damage
  > The pilot’s failure to maintain clearance from powerlines while maneuvering at low altitude.
- [NTSB ERA21LA170](https://openairdocs.org/ntsb/ERA21LA170.md): Mooney M20C · College Park, MD · Accident · No injuries · Class 3 · Limited · Final report · Apr 3, 2021 · N2953L · Substantial damage
  > Improper maintenance of the airplane by its owners and their failure to have qualified maintenance personnel determine the root cause of water infiltration into the fuel system. Also causal was the pilot’s inadequate preflight inspection, which failed to…
- [NTSB WPR21LA117](https://openairdocs.org/ntsb/WPR21LA117.md): Piper PA-44-180 · Redmond, OR · Accident · No injuries · Class 3 · Limited · Final report · Feb 7, 2021 · N125MG · Substantial damage
  > Failure of the landing gear strut piston tube due to fatigue cracking from corrosion pitting.

## 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 year(c."eventDate") = 2021
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41575'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41575&year=2021

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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.