# NTSB investigations: Lycoming IGSO-540-B1A, 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 MKC90LA039](https://openairdocs.org/ntsb/MKC90LA039.md): Beech 80 · Cape Girardeau, MO · Accident · No injuries · Limited investigation · Final report · Dec 13, 1989 · N525GT · Substantial damage
  > An inoperative landing gear extension system due to failure of an electric motor and a misplaced emergency crank handle.
- [NTSB MKC88FA028](https://openairdocs.org/ntsb/MKC88FA028.md): Aero Commander 680FL · Kansas City, MO · Accident · No injuries · Field investigation · Final report · Dec 16, 1987 · N6509V · 2 aircraft · Substantial damage
  > At 2108:57 ea flt 275(EA275) a Boeing 727, was cleared to takeoff on runway 19 and at 2110:24 N6509V, an Aero Commander,was cleared to taxi into position and hold. N6509V entered runway 19 near mid-field at taxiway A-3 without advising the tower of his intent…
- [NTSB MKC76FCG17](https://openairdocs.org/ntsb/MKC76FCG17.md): Aero Comdr 680FL · Kansas City, MO · Accident · No injuries · Closed · Aug 12, 1975 · N9011N · Substantial damage
- [NTSB MKC69D0355](https://openairdocs.org/ntsb/MKC69D0355-201666.md): Aero Comdr 680-FL · Kansas City, MO · Accident · No injuries · Closed · Jan 27, 1969 · N290MP · Substantial damage
- [NTSB MKC67D0567](https://openairdocs.org/ntsb/MKC67D0567.md): Aero Comdr 680F · Albany, MO · Accident · No injuries · Closed · May 21, 1967 · N290MP · 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 ('41535'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41535&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.