NTSB investigations: CFM International CFM56 series

6 cases on aircraft whose registry engine model is CFM International CFM56 series, where the defining event was Near midair/TCAS alert/loss of separation. 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

20102026
NTSB investigations: CFM International CFM56 series per year, 2010–2026: 6 cases
20103
20211
20251
20261

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.engine_model_code IN ('13802')
      AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e.\"isDefiningEvent\" AND e.\"tier2Number\" = '260'))
  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 OPS26LA036IncidentClass 4 · LimitedInvestigation openBoeing 737-7CT · Orlando, FLApr 8, 2026 · N566WN · 3 aircraft · No damageNTSB DCA25LA306Accident · Serious injuriesClass 4 · LimitedFinal reportAirbus Industrie A320-212 · Chase City, VAThe abrupt maneuver required to comply with a traffic alert and collision avoidance system resolution advisory during descent.Aug 28, 2025 · N373NW · No damageNTSB DCA21WA202IncidentClass 5 · ForeignBoeing 737-824 · Mexico City, MexicoJul 29, 2021 · N36272 · No damageNTSB OPS11IA101Incident · No injuriesIncident investigationFinal reportBoeing 737-832 · 66 NM East of Hobe Sound, FLAir traffic controllers did not maintain required awareness of available flight data and aircraft positions, resulting in issuance of an incorrect altitude clearance that caused a loss of standard instrument flight rules separation between the two aircraft.Nov 11, 2010 · N3742C · 2 aircraft · No damageNTSB OPS10IA574Incident · No injuriesIncident investigationFinal reportAirbus Industrie A320-214 · Minneapolis, MNThe Local North Controller's issuance of a left-turn heading to the Airbus without establishing the position and heading of the Beech. Contributing to the incident was the Local South Controller's distraction with a ground movement operation and lack of…Sep 16, 2010 · N122US · 2 aircraft · No damageNTSB OPS10IA014Incident · No injuriesIncident investigationFinal reportBoeing 737 · Worton, MDThe R10/12 controller issued an improper vector and descent clearance to the GII that put the airplane on a coverging flight path with the B737. Contributing to the incident was the failure of the FAA's training program to correct ongoing controller…Mar 25, 2010 · N27239 · 2 aircraft · No damage