# NTSB investigations: CFM International CFM56 series, CO 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 DCA26LA150](https://openairdocs.org/ntsb/DCA26LA150.md): Boeing 737-824 · Denver, CO · Accident · Minor injuries · Class 3 · Limited · Investigation open · Mar 6, 2026 · N27213 · Substantial damage - [NTSB DCA17CA042](https://openairdocs.org/ntsb/DCA17CA042.md): Boeing 737 824 · Denver, CO · Accident · Serious injuries · Data collection · Final report · Dec 14, 2016 · N24202 · No damage > An inadvertent encounter with mountain wave turbulence. - [NTSB CEN15IA337](https://openairdocs.org/ntsb/CEN15IA337.md): Boeing 737 · Denver, CO · Incident · Minor injuries · Incident investigation · Final report · Aug 5, 2015 · N779SW · Minor damage > The 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… - [NTSB CEN12IA123](https://openairdocs.org/ntsb/CEN12IA123.md): Boeing 737-7H4 · Denver, CO · Incident · No injuries · Incident investigation · Final report · Dec 22, 2011 · N469WN · Minor damage > The 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. - [NTSB DCA09MA021](https://openairdocs.org/ntsb/DCA09MA021.md): Boeing 737-524 · Denver, CO · Accident · Serious injuries · Class 1 · Major · Final report · Dec 21, 2008 · N18611 · Substantial damage > The 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… - [NTSB DEN07IA058](https://openairdocs.org/ntsb/DEN07IA058.md): Boeing 737-522 · Denver, CO · Incident · No injuries · Incident investigation · Final report · Feb 3, 2007 · N928UA · No damage > The 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. - [NTSB DEN07IA037](https://openairdocs.org/ntsb/DEN07IA037.md): Boeing 737-824 · Colorado Spring, CO · Incident · Minor injuries · Incident investigation · Final report · Dec 16, 2006 · N24202 · Minor damage > A 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. - [NTSB DEN07IA027](https://openairdocs.org/ntsb/DEN07IA027.md): Airbus Industrie A319-111 · Denver, CO · Incident · No injuries · Incident investigation · Final report · Oct 23, 2006 · N924FR · No damage > The 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. - [NTSB DEN05IA076](https://openairdocs.org/ntsb/DEN05IA076.md): Boeing 737-322 · Denver, CO · Incident · No injuries · Incident investigation · Final report · May 17, 2005 · N305UA · 2 aircraft · Minor damage > the 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. - [NTSB DEN05LA048](https://openairdocs.org/ntsb/DEN05LA048.md): Boeing 737-724 · Gunnison, CO · Accident · Minor injuries · Limited investigation · Final report · Jan 8, 2005 · N16732 · Substantial damage > the 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. - [NTSB DEN04IA124](https://openairdocs.org/ntsb/DEN04IA124.md): Boeing 737-500 · Denver, CO · Incident · No injuries · Incident investigation · Final report · Aug 7, 2004 · N929UA · Minor damage > the 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. - [NTSB DEN04LA019](https://openairdocs.org/ntsb/DEN04LA019.md): Boeing 737-500 · Denver, CO · Accident · Serious injuries · Limited investigation · Final report · Nov 1, 2003 · N956UA · No damage > the in-flight encounter with heavy to moderate turbulence. - [NTSB DEN03LA094](https://openairdocs.org/ntsb/DEN03LA094.md): Airbus Industrie A319-111 · Denver, CO · Accident · Serious injuries · Limited investigation · Final report · Jun 3, 2003 · N910FR · No damage > the inflight encounter with severe turbulence. - [NTSB DEN03LA063](https://openairdocs.org/ntsb/DEN03LA063.md): Airbus Industrie A319-111 · Pueblo, CO · Accident · Serious injuries · Limited investigation · Final report · Apr 6, 2003 · N917FR · No damage > in-flight encounter with turbulence. - [NTSB FTW98FA273](https://openairdocs.org/ntsb/FTW98FA273.md): Boeing 737-322 · Denver, CO · Accident · Minor injuries · Field investigation · Final report · Jun 18, 1998 · N364UA · Substantial damage > Inadequate 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,… - [NTSB DEN93IA044](https://openairdocs.org/ntsb/DEN93IA044.md): Boeing 737-522 · Denver, CO · Incident · No injuries · Incident investigation · Final report · Apr 24, 1993 · N905UA · No damage > The 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… ## 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."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 ``` This list as a web page: https://openairdocs.org/ntsb?engine=13802&state=CO --- 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.