# NTSB investigations, CO: Loss of engine power (partial) 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. Page 1 of 2 · 52 cases ## Latest cases - [NTSB CEN26LA281](https://openairdocs.org/ntsb/CEN26LA281.md): Mooney M20E · Longmont, CO · Accident · No injuries · Class 4 · Limited · Investigation open · Aug 4, 2026 · N3264F · Substantial damage - [NTSB ANC26LA049](https://openairdocs.org/ntsb/ANC26LA049.md): William F Schoen RV-7 · Alpine, CO · Accident · Minor injuries · Class 4 · Limited · Investigation open · Jun 10, 2026 · N727BN · Substantial damage - [NTSB CEN26LA087](https://openairdocs.org/ntsb/CEN26LA087.md): Stinson 108-3 · Gypsum, CO · Accident · Minor injuries · Class 3 · Limited · Preliminary report · Jan 11, 2026 · N6725M · Substantial damage > On January 11, 2026, at 1408 mountain standard time, a Stinson 108-3 airplane, N6725M, sustained substantial damage when it was involved in an accident near Gypsum, Colorado. The pilot sustained minor injuries. The airplane was operated as a Title 14 Code of… - [NTSB CEN25LA168](https://openairdocs.org/ntsb/CEN25LA168.md): Cessna 172N · Longmont, CO · Accident · No injuries · Class 3 · Limited · Final report · May 4, 2025 · N75775 · Substantial damage > The disconnected throttle control that resulted in a loss of engine power due to improper maintenance. - [NTSB CEN24LA350](https://openairdocs.org/ntsb/CEN24LA350.md): Cessna 172 · Englewood, CO · Accident · Minor injuries · Class 3 · Limited · Final report · Sep 11, 2024 · N20747 · Substantial damage > A partial loss of engine power due to fuel-oil contamination of the fuel injection servo. - [NTSB CEN24FA228](https://openairdocs.org/ntsb/CEN24FA228.md): Cessna 421 · Steamboat Springs, CO · Accident · 2 fatal · Class 3 · Field · Final report · Jun 17, 2024 · N245T · Destroyed > The pilot’s failure to maintain sufficient airspeed following a loss of engine power, which resulted in an inadvertent aerodynamic stall/spin at low altitude. - [NTSB CEN24LA036](https://openairdocs.org/ntsb/CEN24LA036.md): Textron 172S · Erie, CO · Accident · No injuries · Class 3 · Limited · Final report · Nov 9, 2023 · N1817E · Substantial damage > A partial loss of engine power while maneuvering at a low altitude due to a stuck exhaust valve. - [NTSB CEN23LA206](https://openairdocs.org/ntsb/CEN23LA206.md): Cessna 172B · Divide, CO · Accident · Minor injuries · Class 3 · Limited · Final report · May 29, 2023 · N8098X · Substantial damage > A loss of engine power during cruise flight for reasons that could not be determined. - [NTSB CEN22LA421](https://openairdocs.org/ntsb/CEN22LA421.md): Piper PA-28R-180 · Broomfield, CO · Accident · No injuries · Class 3 · Limited · Final report · Sep 14, 2022 · N3713T · Substantial damage > A partial loss of engine power due to a collapsed induction hose that blocked engine intake airflow. - [NTSB CEN22FA376](https://openairdocs.org/ntsb/CEN22FA376.md): Cessna 182Q · Centennial, CO · Accident · 1 fatal · Class 3 · Field · Final report · Aug 9, 2022 · N727PC · Destroyed > The loss of engine power during a departure climb for undetermined reasons and the aerodynamic stall, which resulted in an uncontrolled descent and impact with terrain. - [NTSB CEN22LA176](https://openairdocs.org/ntsb/CEN22LA176.md): Cirrus Design SR22 · Twin Lakes, CO · Accident · Minor injuries · Class 3 · Limited · Final report · Apr 13, 2022 · N112TR · Substantial damage > The failure of the left turbocharger at FL230, which resulted in a rapid loss of manifold pressure and subsequent complete loss of engine power due to an overly rich fuel-air mixture setting. Contributing was the smoke in the cabin in IMC, which caused the… - [NTSB CEN22LA093](https://openairdocs.org/ntsb/CEN22LA093.md): Zenith CH750 · Montrose, CO · Accident · No injuries · Class 3 · Limited · Final report · Jan 2, 2022 · N750DP · Substantial damage > A partial loss of engine power for reasons that could not be determined based on the available evidence. - [NTSB CEN22FA011](https://openairdocs.org/ntsb/CEN22FA011.md): Beech 58TC · Mesa, CO · Accident · 1 fatal · Class 3 · Field · Final report · Oct 11, 2021 · N6748V · Destroyed > The maintenance personnel’s failure to properly tighten the turbocharger oil line and the right engine propeller governor, which resulted in a loss of engine power. Contributing to the accident was the loss of airplane control following the loss of engine… - [NTSB CEN22LA010](https://openairdocs.org/ntsb/CEN22LA010.md): Piper PA-24 · Loveland, CO · Accident · Minor injuries · Class 3 · Limited · Final report · Oct 7, 2021 · N5585P · Substantial damage > The pilot’s failure to recognize the degraded engine power and abort the takeoff in a timely manner. - [NTSB CEN21LA383](https://openairdocs.org/ntsb/CEN21LA383.md): Piper PA-28-181 · Gypsum, CO · Accident · No injuries · Class 4 · Limited · Final report · Aug 24, 2021 · N46MD · Substantial damage > A loss of engine power due to fuel starvation and the pilot's mismanagement of the available fuel. - [NTSB CEN21LA271](https://openairdocs.org/ntsb/CEN21LA271.md): Cessna T210L · Buena Vista, CO · Accident · Minor injuries · Class 3 · Limited · Final report · Jun 14, 2021 · N30286 · Substantial damage > The partial loss of engine power due to a vane failure in the engine-driven fuel pump. - [NTSB CEN21LA241](https://openairdocs.org/ntsb/CEN21LA241.md): Pipistrel Alpha Trainer · Fort Collins, CO · Accident · Serious injuries · Class 3 · Limited · Final report · May 28, 2021 · N119JP · Substantial damage > A partial loss of engine power due to the failure of the throttle control cable, which resulted in the loss of control of the dual carburetor system. The cable failure was a result of improper soldering at the throttle cable input terminal on the splitter… - [NTSB CEN21LA001](https://openairdocs.org/ntsb/CEN21LA001.md): Cessna 210 · Cedaredge, CO · Accident · Serious injuries · Class 3 · Limited · Final report · Oct 4, 2020 · N9568X · Destroyed > A partial loss of engine power for reasons that could not be determined based on available evidence. - [NTSB CEN21LA002](https://openairdocs.org/ntsb/CEN21LA002.md): Cessna 182 · Byers, CO · Accident · No injuries · Class 3 · Limited · Final report · Oct 3, 2020 · N9901E · Substantial damage > A partial loss of engine power for undetermined reasons. - [NTSB CEN20LA424](https://openairdocs.org/ntsb/CEN20LA424.md): Kitfox Speedster · Leadville, CO · Accident · Serious injuries · Class 3 · Limited · Final report · Sep 24, 2020 · N525PP · Substantial damage > A partial loss of engine power due to fuel starvation as a result of the pilot’s improper maintenance. - [NTSB CEN19LA260](https://openairdocs.org/ntsb/CEN19LA260.md): Moth DH60GM · Cortez, CO · Accident · Minor injuries · Class 3 · Limited · Final report · Aug 8, 2019 · N919DH · Substantial damage > A partial loss of engine power due to carburetor ice accumulation, which resulted in a loss of altitude and impact with trees. - [NTSB CEN19LA061](https://openairdocs.org/ntsb/CEN19LA061.md): Cessna 182 · Norwood, CO · Accident · No injuries · Class 3 · Limited · Final report · Dec 23, 2018 · N3120S · Substantial damage > The partial loss of engine power for undetermined reasons. - [NTSB ERA19LA027](https://openairdocs.org/ntsb/ERA19LA027.md): Piper PA28 · Parker, CO · Accident · No injuries · Class 3 · Limited · Final report · Oct 26, 2018 · N5575U · Substantial damage > A partial loss of engine power during initial climb due to carburetor icing, and the pilot's failure to effectively use carburetor heat in conditions conducive to the formation of carburetor ice. - [NTSB CEN19LA006](https://openairdocs.org/ntsb/CEN19LA006.md): Cessna 120 · Hudson, CO · Accident · Minor injuries · Limited investigation · Final report · Oct 13, 2018 · N1881N · Substantial damage > The partial loss of engine power for reasons that could not be determined based on the available information. - [NTSB CEN17LA327](https://openairdocs.org/ntsb/CEN17LA327.md): Greene R/Greene S Rans S 17 · Erie, CO · Accident · Minor injuries · Limited investigation · Final report · Aug 22, 2017 · N117BE · Substantial damage > The pilot's failure to maintain control following a rejected takeoff for a perceived loss of engine power. Contributing to the accident was the pilot's lack of training and experience in the airplane. - [NTSB CEN16LA267](https://openairdocs.org/ntsb/CEN16LA267.md): Aeronca 7BCM · Longmont, CO · Accident · Minor injuries · Limited investigation · Final report · Jul 16, 2016 · N2576E · Substantial damage > The pilot's decision to continue the takeoff after observing a partial loss of engine power, the reason for which could not be determined because postaccident examination of the airframe and engine revealed no evidence of mechanical malfunctions or failures. - [NTSB CEN16FA241](https://openairdocs.org/ntsb/CEN16FA241.md): Boeve Earl Seawind · Buena Vista, CO · Accident · 1 fatal · Field investigation · Final report · Jul 4, 2016 · N46EB · Destroyed > The pilot's failure to maintain control of the airplane during a forced landing following a partial loss of engine power, which resulted in a hard landing and nose over. The reason for the loss of engine power could not be determined due to the severity of… - [NTSB CEN16LA223](https://openairdocs.org/ntsb/CEN16LA223.md): Cirrus Design SR22 · Colorado Springs, CO · Accident · Minor injuries · Limited investigation · Final report · Jun 18, 2016 · N678Z · Substantial damage > A hard landing on rough terrain due to a faulty deployment of the airplane’s airframe parachute system following a partial loss of engine power for reasons that could not be determined, because postaccident examination revealed no malfunctions or anomalies… - [NTSB CEN16FA224](https://openairdocs.org/ntsb/CEN16FA224.md): Cessna 320E · Creede, CO · Accident · 3 fatal · Field investigation · Final report · Jun 15, 2016 · N777GY · Destroyed > The pilot's loss of airplane control during descent following a loss of engine power for reasons that could not be determined because postaccident examinations and engine test-runs of both engines revealed no evidence of any mechanical malfunctions or… - [NTSB CEN15FA211](https://openairdocs.org/ntsb/CEN15FA211.md): Hoffman Zenith 701 · Trinidad, CO · Accident · 1 fatal · Field investigation · Final report · Apr 30, 2015 · N95MH · Substantial damage > The noncertificated pilot's failure to maintain airspeed following a loss of engine power while maneuvering at a low altitude, which resulted in the airplane's wing exceeding its critical angle-of-attack and a subsequent aerodynamic stall. The reason for the… - [NTSB CEN14LA277](https://openairdocs.org/ntsb/CEN14LA277.md): Cirrus Design SR22 · Durango, CO · Accident · No injuries · Limited investigation · Final report · Jun 1, 2014 · N583KM · Substantial damage > The student pilot’s decision to fly solo into an unfamiliar, mountain airport during high-wind conditions. Contributing to the accident was a partial loss of engine power during the attempted go-around, which was caused by an over-rich mixture setting. - [NTSB CEN14FA232](https://openairdocs.org/ntsb/CEN14FA232.md): Bell 407 · Telluride, CO · Accident · No injuries · Field investigation · Final report · May 3, 2014 · N407MH · Substantial damage > The failure of the power turbine thrust (No. 5) bearing due to overheating as a result of oil starvation, which led to the engine failure. Also causal to the accident was an undocumented repair to the gearbox cover oil delivery tube port during which an… - [NTSB CEN14FA173](https://openairdocs.org/ntsb/CEN14FA173.md): Worthington Donald Wayne Sonerai II LT · Highlands Ranch, CO · Accident · 1 fatal · Field investigation · Final report · Mar 29, 2014 · N63917 · Destroyed > The pilot’s loss of control during a forced landing following a loss of engine power for reasons that could not be determined due to postimpact fire damage. - [NTSB CEN14CA106](https://openairdocs.org/ntsb/CEN14CA106.md): Cessna P210N · Pagosa Springs, CO · Accident · Minor injuries · Data collection · Final report · Jan 8, 2014 · N4817K · Substantial damage > The pilot's inadequate preflight inspection which led to a loss of oil pressure and partial loss of engine power on takeoff. Contributing to the accident was the pilot's failure to check the security of the oil filler cap prior to the flight. - [NTSB CEN13LA443](https://openairdocs.org/ntsb/CEN13LA443.md): Grumman G-164A · Monte Vista, CO · Accident · No injuries · Limited investigation · Final report · Jul 29, 2013 · N5324 · Substantial damage > The partial loss of engine power due to a fatigue failure of the engine cylinder exhaust rocker housing as a result of an excessively torqued rocker assembly. - [NTSB CEN13FA182](https://openairdocs.org/ntsb/CEN13FA182.md): Aero Commander 500B · Broomfield, CO · Accident · Minor injuries · Field investigation · Final report · Mar 1, 2013 · N93AA · Substantial damage > Loss of engine power due to fuel exhaustion. Contributing to the accident was the failure of the fuel gauge to indicate the actual amount of fuel on board the airplane and the design of the airplane's fuel system, which precluded a visual confirmation of the… - [NTSB CEN12LA513](https://openairdocs.org/ntsb/CEN12LA513.md): Grumman Acft ENG Cor G-164A · La Salle, CO · Accident · Minor injuries · Limited investigation · Final report · Aug 1, 2012 · N9822 · Substantial damage > The loss of engine power due to the detached distributor rotor. - [NTSB CEN12LA252](https://openairdocs.org/ntsb/CEN12LA252.md): Beech P35 · Englewood, CO · Accident · Minor injuries · Limited investigation · Final report · Apr 22, 2012 · N8518M · Substantial damage > The pilot’s failure to abort the takeoff after the airplane failed to gain adequate airspeed. - [NTSB CEN12FA058](https://openairdocs.org/ntsb/CEN12FA058.md): Cessna 337G · Alamosa, CO · Accident · 1 fatal · Field investigation · Final report · Nov 10, 2011 · N337LC · Destroyed > The loss of power to the rear engine due to fuel starvation during takeoff, which resulted from the fuel selector valve being inadvertently moved to the “off” position, and resulted in the airplane’s inability to climb. - [NTSB CEN11CA678](https://openairdocs.org/ntsb/CEN11CA678.md): Piper PA-28-180 · Buena Vista, CO · Accident · Minor injuries · Data collection · Final report · Sep 6, 2011 · N9430J · Substantial damage > The airplane’s diminished climb performance due to the pilot not leaning the engine mixture enough prior to takeoff in high density altitude conditions and at nearly maximum gross takeoff weight. - [NTSB CEN11LA457](https://openairdocs.org/ntsb/CEN11LA457.md): Beech B36TC · Akron, CO · Accident · Minor injuries · Limited investigation · Final report · Jun 23, 2011 · N93PP · Substantial damage > The mixture control cable disconnected from the cable housing attach clamp, which resutlted in the pilot's inability to add power when needed. - [NTSB CEN10CA376](https://openairdocs.org/ntsb/CEN10CA376.md): Wells Terry Hula Girl · Wellington, CO · Accident · No injuries · Data collection · Final report · Jul 3, 2010 · N301TW · Substantial damage > A partial loss of engine power due to the inadequate design of the engine cowling. - [NTSB CEN10CA327](https://openairdocs.org/ntsb/CEN10CA327.md): Rose-Rhinehart A4-C · Longmont, CO · Accident · Minor injuries · Data collection · Final report · Jun 19, 2010 · N14884 · Substantial damage > A loss of engine power due to fuel starvation as a result of the pilot's failure to open the fuel valve, resulting a loss of engine power after takeoff. Contributing to the accident was the pilot's overall lack of experience in the airplane make/model. - [NTSB CEN10LA032](https://openairdocs.org/ntsb/CEN10LA032.md): Cessna 210 · Walsh, CO · Accident · Minor injuries · Limited investigation · Final report · Oct 27, 2009 · N7464E · Substantial damage > A partial loss of engine power due to failure of the No. 2 cylinder as a result of the failure of the repair facility to properly torque the lower four nuts on the cylinder. - [NTSB CEN10FA021](https://openairdocs.org/ntsb/CEN10FA021.md): Cessna P210N · Rifle, CO · Accident · Minor injuries · Field investigation · Final report · Oct 18, 2009 · N7217S · Substantial damage > The pilot’s failure to properly identify the power lever and, instead, manipulating the propeller condition lever. - [NTSB CEN09LA546](https://openairdocs.org/ntsb/CEN09LA546.md): Taylorcraft BCS-65 · Boulder, CO · Accident · No injuries · Limited investigation · Final report · Aug 21, 2009 · N8023Q · Substantial damage > A partial loss of engine power during initial climb due to carburetor icing. - [NTSB CEN09CA412](https://openairdocs.org/ntsb/CEN09CA412.md): Quicksilver Mxii Sport · Longmont, CO · Accident · Minor injuries · Data collection · Final report · Jun 25, 2009 · N2910P · Substantial damage > The loss of engine power for undetermined reasons. - [NTSB CEN09CA257](https://openairdocs.org/ntsb/CEN09CA257.md): Enstrom 280FX · Dacono, CO · Accident · No injuries · Data collection · Final report · Apr 20, 2009 · N409LH · Substantial damage > A partial loss of engine power for undetermined reasons. - [NTSB CEN09LA075](https://openairdocs.org/ntsb/CEN09LA075.md): Hauser U/Hauser J KIT FOX CL · Boulder, CO · Accident · Minor injuries · Limited investigation · Final report · Nov 24, 2008 · N4JU · Substantial damage > A loss of engine thrust due to the pilot's inadvertent activation of the propeller controls. Contributing to the accident were the non-standard propeller controls and the pilot's lack of experience in the airplane. - [NTSB DEN08LA131](https://openairdocs.org/ntsb/DEN08LA131.md): Flynn Van Munk · Erie, CO · Accident · Serious injuries · Limited investigation · Final report · Aug 5, 2008 · N41832 · Substantial damage > A loss of engine power due to carburetor icing. The reason for the loss of aircraft control was not determined. Next page: https://openairdocs.org/ntsb-events/342/sequence.md?state=CO&page=2 ## 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 s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '342' 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/342/sequence?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.