# NTSB investigations: Continental GTSIO-520-C: Loss of control in flight

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 ERA19FA283](https://openairdocs.org/ntsb/ERA19FA283.md): Cessna 421 · Deland, FL · Accident · 3 fatal · Class 3 · Field · Final report · Sep 29, 2019 · N731PF · Destroyed
  > The pilot’s failure to maintain control of the airplane, which resulted in a collision with terrain. Contributing was the pilot’s lack of training and experience in the accident airplane make and model.
- [NTSB CEN19FA323](https://openairdocs.org/ntsb/CEN19FA323.md): Beech V35 · London, OH · Accident · 1 fatal · Class 3 · Field · Final report · Sep 18, 2019 · N5438U · Destroyed
  > The pilot’s exceedance of the airplane’s critical angle of attack while maneuvering toward the final leg of the traffic pattern and facing the rising sun, which resulted in a subsequent aerodynamic stall at too low an altitude to recover.
- [NTSB CEN19FA100](https://openairdocs.org/ntsb/CEN19FA100.md): Cessna 421 · Plain City, OH · Accident · 1 fatal · Class 2 · Field · Final report · Mar 17, 2019 · N424TW · Destroyed
  > A loss of airspeed indication due to icing of the airplane's pitot probe, and the pilot's loss of control while maneuvering.
- [NTSB GAA18CA390](https://openairdocs.org/ntsb/GAA18CA390.md): Cessna 421 · Clifton, TX · Accident · No injuries · Data collection · Final report · Jul 1, 2018 · N7625Q · Substantial damage
  > The pilot's improper landing flare in crosswind conditions, which resulted in a hard landing.
- [NTSB ERA17FA118](https://openairdocs.org/ntsb/ERA17FA118.md): Cessna 421 · Canton, GA · Accident · 1 fatal · Field investigation · Final report · Mar 4, 2017 · N421KL · Substantial damage
  > The pilot's failure to maintain control of the airplane during a night visual landing approach. Contributing to the accident was the pilot's impairment due to his use of a combination of medications.
- [NTSB CEN12FA606](https://openairdocs.org/ntsb/CEN12FA606.md): Cessna 421B · Fort Worth, TX · Accident · Serious injuries · Field investigation · Final report · Sep 5, 2012 · N69924 · Substantial damage
  > The pilot's failure to maintain airplane control on takeoff, which resulted in an inadvertent stall. Contributing to the accident were the unlatched nose cargo door, the pilot’s diverted attention, and the pilot's mental ability to handle the emergency…
- [NTSB WPR09FA258](https://openairdocs.org/ntsb/WPR09FA258.md): Cessna 320D · Fallon, NV · Accident · 4 fatal · Field investigation · Final report · May 23, 2009 · N320KP · Substantial damage
  > The pilot’s inadequate airspeed, which resulted in an aerodynamic stall.

## 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 ('17035')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e."isDefiningEvent" AND e."tier2Number" = '240'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/240/cases?engine=17035

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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.