# NTSB investigations: Continental GTSIO-520 series, TX

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 CEN24LA061](https://openairdocs.org/ntsb/CEN24LA061.md): Cessna 421C · McGregor, TX · Accident · No injuries · Class 3 · Limited · Final report · Dec 8, 2023 · N146TJ · Substantial damage
  > The failure of the spring pin in the right propeller governor, which precluded the pilot from controlling the propeller pitch to maintain engine rpm, resulting in a loss of engine thrust, excessive drag, and the subsequent forced landing to a field.
- [NTSB CEN19FA082](https://openairdocs.org/ntsb/CEN19FA082.md): Cessna 421 · Canadian, TX · Accident · 2 fatal · Class 2 · Field · Final report · Feb 15, 2019 · N421NS · Destroyed
  > The pilot's failure to maintain control of the airplane while in instrument meteorological conditions with icing conditions present, which resulted in an aerodynamic stall and spin into terrain.
- [NTSB FTW04FA243](https://openairdocs.org/ntsb/FTW04FA243.md): Cessna 421C · Bee Caves, TX · Accident · 2 fatal · Field investigation · Final report · Sep 23, 2004 · N729DM · Destroyed
  > The pilot's improper positioning of the fuel selector valves, which resulted in a loss of power to the left engine due to fuel exhaustion. After the power loss, the pilot failed to follow checklist procedures and did not secure (feather) the left propeller,…
- [NTSB FTW01LA186](https://openairdocs.org/ntsb/FTW01LA186.md): Cessna 421B · New Braunfels, TX · Accident · No injuries · Limited investigation · Final report · Aug 17, 2001 · N5286Z · Substantial damage
  > the pilot's inadequate flare of the airplane resulting in a hard landing. A contributing factor was the crosswind.
- [NTSB FTW99LA012](https://openairdocs.org/ntsb/FTW99LA012.md): Cessna 421C · Eagle Pass, TX · Accident · Minor injuries · Limited investigation · Final report · Oct 18, 1998 · N19MH · Destroyed
  > A downdraft, which exceeded the aircraft's climb performance. A factor was the thunderstorms in the vicinity of the airport.
- [NTSB FTW85FA019](https://openairdocs.org/ntsb/FTW85FA019.md): Cessna 421C · Addison, TX · Accident · 1 fatal · Field investigation · Final report · Oct 18, 1984 · N121BT · Destroyed
  > Aprx 7 min after takeoff (at 1441), the plt declared an emergency & said the l eng had lost power. He feathered the eng,diverted back twd the arpt & dscndd to VFR conds below the clds. At 1448, the plt said he had the arpt in sight & turnedonto a left…

## 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" = 'TX' 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 ('17046', '17039'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=17046&state=TX

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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.