# NTSB investigations: Lycoming AEIO-540-D4A5

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 CEN23LA222](https://openairdocs.org/ntsb/CEN23LA222.md): Pitts S-2S · Garden Plain, KS · Accident · No injuries · Class 4 · Limited · Final report · Jun 3, 2023 · N1PW · Substantial damage
  > The pilot’s inability to maintain directional control during landing roll due to a flat tire.
- [NTSB WPR15FA021](https://openairdocs.org/ntsb/WPR15FA021.md): Slingsby T67M 260 · Ridgecrest, CA · Accident · 2 fatal · Field investigation · Final report · Oct 24, 2014 · N456FR · Substantial damage
  > The pilots' failure to recover from a spin for reasons that could not be determined based on available information. Contributing to the student's fatal injury was his delayed egress from the airplane below the specified egression altitude.
- [NTSB ERA14LA383](https://openairdocs.org/ntsb/ERA14LA383.md): Christen Industries Pitts S · Sarasota, FL · Accident · Minor injuries · Limited investigation · Final report · Aug 12, 2014 · N50XV · Substantial damage
  > A total loss of engine power due to fuel exhaustion, which resulted from the flight instructor's inadequate preflight fuel planning.
- [NTSB CEN13CA077](https://openairdocs.org/ntsb/CEN13CA077.md): Christen Industries Pitts S-2S · Grain Valley, MO · Accident · No injuries · Data collection · Final report · Nov 24, 2012 · N15PU · Substantial damage
  > The pilot's improper landing flare, which led to a bounced landing and subsequent loss of control.

## 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 ('41799'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41799

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