NTSB investigations: CFM International CFM56 series, CO

16 cases on aircraft whose registry engine model is CFM International CFM56 series. 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.

Defining event

Finding

Phase of flight

Aircraft model

Cases per year

19932026

NTSB investigations: CFM International CFM56 series, CO per year, 1993–2026: 16 cases
1993	1
1998	1
2003	3
2004	1
2005	2
2006	2
2007	1
2008	1
2011	1
2015	1
2016	1
2026	1

Where

Open the map

Latest cases

Query with 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."eventStateOrRegion" = 'CO' AND c."eventCountry" = 'USA' AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('13802')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

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.\"eventStateOrRegion\" = 'CO' AND c.\"eventCountry\" = 'USA'
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('13802'))
  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.

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."eventStateOrRegion" = 'CO' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('13802'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.

NTSB DCA26LA150Accident · Minor injuriesClass 3 · LimitedInvestigation openBoeing 737-824 · Denver, COMar 6, 2026 · N27213 · Substantial damage NTSB DCA17CA042Accident · Serious injuriesData collectionFinal reportBoeing 737 824 · Denver, COAn inadvertent encounter with mountain wave turbulence.Dec 14, 2016 · N24202 · No damage NTSB CEN15IA337Incident · Minor injuriesIncident investigationFinal reportBoeing 737 · Denver, COThe gate lead/pushback driver's failure to recognize that the provisioning truck was within the safety zone of the gate during his walkaround due to distractions, which resulted in the subsequent collision between the airplane and the truck. Contributing to…Aug 5, 2015 · N779SW · Minor damage NTSB CEN12IA123Incident · No injuriesIncident investigationFinal reportBoeing 737-7H4 · Denver, COThe snowplow operator’s incapacitation due to fatigue, which resulted in the snowplow contacting a parked airplane. Contributing to the incident was the company’s lack of a policy regarding employee fatigue.Dec 22, 2011 · N469WN · Minor damage NTSB DCA09MA021Accident · Serious injuriesClass 1 · MajorFinal reportBoeing 737-524 · Denver, COThe captain’s cessation of right rudder input, which was needed to maintain directional control of the airplane, about 4 seconds before the excursion, when the airplane encountered a strong and gusty crosswind that exceeded the captain’s training and…Dec 21, 2008 · N18611 · Substantial damage NTSB DEN07IA058Incident · No injuriesIncident investigationFinal reportBoeing 737-522 · Denver, COThe snowplow driver's failure to follow procedures/directives by crossing an active runway without clearance, resulting in a runway incursion and near collision with an airplane during its landing roll.Feb 3, 2007 · N928UA · No damage NTSB DEN07IA037Incident · Minor injuriesIncident investigationFinal reportBoeing 737-824 · Colorado Spring, COA short circuit in the primary (non-rechargeable) battery, most likely due to it being recharged. This internal short led to thermal runaway, battery failure, and an explosion.Dec 16, 2006 · N24202 · Minor damage NTSB DEN07IA027Incident · No injuriesIncident investigationFinal reportAirbus Industrie A319-111 · Denver, COThe inadvertent activation of the priority pushbutton on the sidestick by the first officer resulting in a nose down pitch and loss of aircraft control during the landing flare.Oct 23, 2006 · N924FR · No damage NTSB DEN05IA076Incident · No injuriesIncident investigationFinal reportBoeing 737-322 · Denver, COthe improper use of procedure used by the ground personnel resulting in the right wing of the aircraft colliding with the left wing of another aircraft. A factor in this incident was the failure to maintain clearance by the flight crew of the other aircraft.May 17, 2005 · N305UA · 2 aircraft · Minor damage NTSB DEN05LA048Accident · Minor injuriesLimited investigationFinal reportBoeing 737-724 · Gunnison, COthe snowplow driver's failure to see the airplane during plowing operations. Factors contributing to the accident were the snowplow driver's excessive speed and the snow.Jan 8, 2005 · N16732 · Substantial damage NTSB DEN04IA124Incident · No injuriesIncident investigationFinal reportBoeing 737-500 · Denver, COthe inaccurate radar information due to the failure of the Airport Movement Area Surveillance radar resulting in the tower calling for the airplane to abort the takeoff, subsequently causing tire and brake damage to the airplane.Aug 7, 2004 · N929UA · Minor damage NTSB DEN04LA019Accident · Serious injuriesLimited investigationFinal reportBoeing 737-500 · Denver, COthe in-flight encounter with heavy to moderate turbulence.Nov 1, 2003 · N956UA · No damage NTSB DEN03LA094Accident · Serious injuriesLimited investigationFinal reportAirbus Industrie A319-111 · Denver, COthe inflight encounter with severe turbulence.Jun 3, 2003 · N910FR · No damage NTSB DEN03LA063Accident · Serious injuriesLimited investigationFinal reportAirbus Industrie A319-111 · Pueblo, COin-flight encounter with turbulence.Apr 6, 2003 · N917FR · No damage NTSB FTW98FA273Accident · Minor injuriesField investigationFinal reportBoeing 737-322 · Denver, COInadequate visual lookout by ground personnel (tug operator). Factors include failure of the airline to provide proper assistance (wing walkers) to the tug operator, and inadequate pushback procedures by the airline; inattention of the catering truck driver,…Jun 18, 1998 · N364UA · Substantial damage NTSB DEN93IA044Incident · No injuriesIncident investigationFinal reportBoeing 737-522 · Denver, COThe pilot-in-command's failure to maintain adequate separation from the Boeing 757, and his failure to stay above the probable path of the Boeing's wake vortices, which resulted in the vortex encounter. Factors related to the accident were: the crosswind, and…Apr 24, 1993 · N905UA · No damage