NTSB investigations: Flight Design CTSW

9 cases on aircraft the registry lists as Flight Design CTSW, where the sequence of events included Nose over/nose down. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.

Cases per year

20092026
NTSB investigations: Flight Design CTSW per year, 2009–2026: 9 cases
20091
20101
20121
20141
20191
20201
20211
20241
20251

Latest cases

Query with SQL
duckdb -csv -c "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"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

NTSB CEN25LA238Accident · No injuriesClass 4 · LimitedFinal reportFlight Design Ctsw · Joliet, ILThe pilot’s failure to maintain directional control during the crosswind landing.Jul 5, 2025 · N646MA · Substantial damageNTSB GAA24WA226Accident · Minor injuriesClass 5 · ForeignFlight Design Ctsw · Roseau, DominicaJul 3, 2024 · N7670 · Substantial damageNTSB WPR21LA173Accident · Minor injuriesClass 3 · LimitedFinal reportFlight Design Ctsw · Santa Fe, NMA 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.Apr 22, 2021 · N378CT · Substantial damageNTSB ERA21LA073Accident · Minor injuriesClass 3 · LimitedFinal reportFlight Design Ctsw · Marion, NCThe pilot’s failure to maintain airplane control during takeoff, resulting in a rejected takeoff and runway excursion.Dec 13, 2020 · N138CT · Substantial damageNTSB CEN20CA039Accident · Minor injuriesData collectionFinal reportFlight Design Ctsw · Delaware, OHThe 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.Dec 20, 2019 · N91WW · Substantial damageNTSB ERA14CA298Accident · No injuriesData collectionFinal reportFlight Design Ctsw · Milton, FLThe 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.Jun 14, 2014 · N476CT · Substantial damageNTSB CEN12CA499Accident · No injuriesData collectionFinal reportFlight Design Ctsw · Hutchinson, KSThe pilot’s loss of directional control during the landing roll.Jul 30, 2012 · N460CT · Substantial damageNTSB WPR11CA057Accident · Minor injuriesData collectionFinal reportFlight Design Ctsw · Fullerton, CAThe pilot's improper flare during landing.Nov 24, 2010 · N459CT · Substantial damageNTSB WPR09CA346Accident · No injuriesData collectionFinal reportFlight Design Ctsw · Sulphur Creek, IDThe pilot's failure to maintain directional control during the landing roll.Jul 10, 2009 · N199CT · Substantial damage