# NTSB investigations: Flight Design CTSW: Nose over/nose down

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 CEN25LA238](https://openairdocs.org/ntsb/CEN25LA238.md): Flight Design Ctsw · Joliet, IL · Accident · No injuries · Class 4 · Limited · Final report · Jul 5, 2025 · N646MA · Substantial damage
  > The pilot’s failure to maintain directional control during the crosswind landing.
- [NTSB GAA24WA226](https://openairdocs.org/ntsb/GAA24WA226.md): Flight Design Ctsw · Roseau, Dominica · Accident · Minor injuries · Class 5 · Foreign · Jul 3, 2024 · N7670 · Substantial damage
- [NTSB WPR21LA173](https://openairdocs.org/ntsb/WPR21LA173.md): Flight Design Ctsw · Santa Fe, NM · Accident · Minor injuries · Class 3 · Limited · Final report · Apr 22, 2021 · N378CT · Substantial damage
  > A leak in the oil line that supplied the engine with oil, which resulted in oil exhaustion and the total loss of engine power. Contributing to the accident was the routing of the oil line to close to the exhaust manifold.
- [NTSB ERA21LA073](https://openairdocs.org/ntsb/ERA21LA073.md): Flight Design Ctsw · Marion, NC · Accident · Minor injuries · Class 3 · Limited · Final report · Dec 13, 2020 · N138CT · Substantial damage
  > The pilot’s failure to maintain airplane control during takeoff, resulting in a rejected takeoff and runway excursion.
- [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 ERA14CA298](https://openairdocs.org/ntsb/ERA14CA298.md): Flight Design Ctsw · Milton, FL · Accident · No injuries · Data collection · Final report · Jun 14, 2014 · N476CT · Substantial damage
  > The pilot's failure to maintain the proper approach path, and his delayed remedial action, which resulted in a runway undershoot and collision with terrain prior to the runway.
- [NTSB CEN12CA499](https://openairdocs.org/ntsb/CEN12CA499.md): Flight Design Ctsw · Hutchinson, KS · Accident · No injuries · Data collection · Final report · Jul 30, 2012 · N460CT · Substantial damage
  > The pilot’s loss of directional control during the landing roll.
- [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 WPR09CA346](https://openairdocs.org/ntsb/WPR09CA346.md): Flight Design Ctsw · Sulphur Creek, ID · Accident · No injuries · Data collection · Final report · Jul 10, 2009 · N199CT · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll.

## 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" = '096' 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/096/sequence?model=0600001

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