# NTSB investigations: Flight Design CTLS: Aerodynamic stall/spin

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 ANC22LA012](https://openairdocs.org/ntsb/ANC22LA012.md): Flight Design Ctls · Hana, HI · Accident · Serious injuries · Class 3 · Limited · Final report · Jan 15, 2022 · N992SA · Substantial damage
  > The pilot’s exceedance of the airplane’s critical angle of attack during the initial climb, which resulted in an aerodynamic stall and subsequent impact with terrain.
- [NTSB WPR19LA141](https://openairdocs.org/ntsb/WPR19LA141.md): Flight Design Ctls · Boulder City, NV · Accident · Serious injuries · Class 3 · Limited · Final report · May 7, 2019 · N423EB · Substantial damage
  > The pilot’s improper monitoring and failure to maintain airspeed during a critical phase of flight, which resulted in an exceedance of the airplane’s critical angle of attack, an aerodynamic stall, and subsequent impact with terrain.
- [NTSB WPR16FA067](https://openairdocs.org/ntsb/WPR16FA067.md): Flight Design Ctls · Springville, CA · Accident · 2 fatal · Field investigation · Final report · Feb 11, 2016 · N911TS · Destroyed
  > The pilot's failure to maintain adequate airspeed while maneuvering at low altitude in hilly terrain, which resulted in the airplane's wing exceeding its critical angle-of-attack and a subsequent aerodynamic stall. Contributing to the accident were the…
- [NTSB CEN15CA036](https://openairdocs.org/ntsb/CEN15CA036.md): Flight Design CTLSi · White Bear Lake, MN · Accident · Minor injuries · Data collection · Final report · Oct 23, 2014 · N549CT · Substantial damage
  > The pilot's exceedance of the airplane's critical angle of attack during the landing, which resulted in an inadvertent aerodynamic stall, a hard landing, and a nose over.

## 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.aircraft_model_code IN ('060005B')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s."tier2Number" = '241' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent")))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/241/sequence?model=060005B

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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.
