# NTSB investigations: Lycoming R680-4P-B4, MO

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 MKC88LA006](https://openairdocs.org/ntsb/MKC88LA006.md): Boeing A-75 · Creve Coeur, MO · Accident · No injuries · Limited investigation · Final report · Oct 9, 1987 · N1754M · Substantial damage
  > While practicing stop and go ldgs, plt lost control during rollout. Acft swerved and entered an inadvertent ground loop. The right main landing gear failed and the right lower wing contacted the ground.
- [NTSB MKC73DCA19](https://openairdocs.org/ntsb/MKC73DCA19.md): Boeing A75-N1 · Campbell, MO · Accident · No injuries · Closed · Mar 28, 1973 · N75016 · Substantial damage

## 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."eventStateOrRegion" = 'MO' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41542'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41542&state=MO

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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.