# NTSB investigations: Flight Design CTLS: Landing gear collapse

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 GAA19CA242](https://openairdocs.org/ntsb/GAA19CA242.md): Flight Design Ctls · Sandy Valley, NV · Accident · No injuries · Data collection · Final report · May 5, 2019 · N175LM · Substantial damage
  > The pilot's steep bank turn at low altitude, which resulted in a rapid descent and hard landing.
- [NTSB GAA15CA016](https://openairdocs.org/ntsb/GAA15CA016.md): Flight Design Ctls · Mount Vernon, OH · Accident · No injuries · Data collection · Final report · Mar 18, 2015 · N566FD · Substantial damage
  > The pilot's improper recovery from a bounced landing, which resulted in a loss of control.
- [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.
- [NTSB CEN13LA398](https://openairdocs.org/ntsb/CEN13LA398.md): Flight Design Ctls · Sandwich, IL · Accident · Minor injuries · Limited investigation · Final report · Jul 7, 2013 · N549LS · Substantial damage
  > The pilot’s failure to recognize the formation of carburetor ice during cruise descent and apply carburetor heat, which resulted in the total loss of engine power.
- [NTSB ERA13CA271](https://openairdocs.org/ntsb/ERA13CA271.md): Flight Design Ctls · Concord, NH · Accident · No injuries · Data collection · Final report · Jun 5, 2013 · N622BT · Substantial damage
  > The pilot's improper landing flare, which resulted in a hard landing and subsequent main landing gear collapse.
- [NTSB CEN13IA024](https://openairdocs.org/ntsb/CEN13IA024.md): Flight Design Ctls · Elyria, OH · Incident · No injuries · Incident investigation · Final report · Oct 17, 2012 · N21ZA · Minor damage
  > The manufacturing defects in the main landing gear leg, which resulted in its eventual failure.
- [NTSB CEN12LA476](https://openairdocs.org/ntsb/CEN12LA476.md): Flight Design Ctls · Conway, AR · Accident · No injuries · Limited investigation · Final report · Jul 25, 2012 · N930SA · Substantial damage
  > The pilot's improper landing flare, which resulted in a hard landing and overstress failure of the right main landing gear.
- [NTSB CEN12IA451](https://openairdocs.org/ntsb/CEN12IA451.md): Flight Design Ctls · Marysville, OH · Incident · No injuries · Incident investigation · Final report · Jul 16, 2012 · N566FD · Minor damage
  > Fatigue failure of the left main wheel assembly on takeoff, which resulted in a loss of directional control and runway excursion.

## 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" = '094' 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/094/sequence?model=060005B

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