# NTSB investigations: Flight Design CTSW: Abnormal runway contact

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 CEN25LA204](https://openairdocs.org/ntsb/CEN25LA204.md): Flight Design Ctsw · Pembine, WI · Accident · No injuries · Class 4 · Limited · Final report · Jun 6, 2025 · N499CT · Substantial damage
  > The pilot’s improper flare during landing which resulted in a bounced landing.
- [NTSB CEN20CA039](https://openairdocs.org/ntsb/CEN20CA039.md): Flight Design Ctsw · Delaware, OH · Accident · Minor injuries · Data collection · Final report · Dec 20, 2019 · N91WW · Substantial damage
  > The student pilot’s failure to maintain yaw control during takeoff, which resulted in an aborted takeoff and subsequent landing on grassy terrain, during which the airplane bounced and then nosed over.
- [NTSB WPR11CA057](https://openairdocs.org/ntsb/WPR11CA057.md): Flight Design Ctsw · Fullerton, CA · Accident · Minor injuries · Data collection · Final report · Nov 24, 2010 · N459CT · Substantial damage
  > The pilot's improper flare during landing.
- [NTSB ERA09CA260](https://openairdocs.org/ntsb/ERA09CA260.md): Flight Design Ctsw · Chesapeake, VA · Accident · No injuries · Data collection · Final report · Apr 21, 2009 · N476CT · Substantial damage
  > The student pilot's improper recovery from a bounced landing.

## 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 ('0600001')
    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" = '090' 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/090/sequence?model=0600001

---
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.