NTSB investigations, CO
33 cases where the defining event was Loss of engine power (partial).
Cases per year
| 2008 | 3 |
|---|---|
| 2009 | 2 |
| 2010 | 1 |
| 2011 | 3 |
| 2012 | 2 |
| 2013 | 2 |
| 2014 | 2 |
| 2016 | 3 |
| 2018 | 3 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 1 |
| 2025 | 1 |
| 2026 | 3 |
Where
Open the mapLatest 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.\"eventStateOrRegion\" = 'CO' AND c.\"eventCountry\" = 'USA'
AND c.\"mKey\" IN (SELECT e.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.\"isDefiningEvent\" AND e.\"tier2Number\" = '342')
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 e.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e."isDefiningEvent" AND e."tier2Number" = '342') 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 CEN26LA281Accident · No injuriesClass 4 · LimitedInvestigation openMooney M20E · Longmont, CONTSB ANC26LA049Accident · Minor injuriesClass 4 · LimitedInvestigation openWilliam F Schoen RV-7 · Alpine, CONTSB CEN26LA087Accident · Minor injuriesClass 3 · LimitedPreliminary reportStinson 108-3 · Gypsum, COOn 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 CEN25LA168Accident · No injuriesClass 3 · LimitedFinal reportCessna 172N · Longmont, COThe disconnected throttle control that resulted in a loss of engine power due to improper maintenance.NTSB CEN23LA206Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 172B · Divide, COA loss of engine power during cruise flight for reasons that could not be determined.NTSB CEN22LA421Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-28R-180 · Broomfield, COA partial loss of engine power due to a collapsed induction hose that blocked engine intake airflow.NTSB CEN22LA010Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA-24 · Loveland, COThe pilot’s failure to recognize the degraded engine power and abort the takeoff in a timely manner.NTSB CEN21LA271Accident · Minor injuriesClass 3 · LimitedFinal reportCessna T210L · Buena Vista, COThe partial loss of engine power due to a vane failure in the engine-driven fuel pump.NTSB CEN21LA241Accident · Serious injuriesClass 3 · LimitedFinal reportPipistrel Alpha Trainer · Fort Collins, COA 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 CEN21LA001Accident · Serious injuriesClass 3 · LimitedFinal reportCessna 210 · Cedaredge, COA partial loss of engine power for reasons that could not be determined based on available evidence.NTSB CEN21LA002Accident · No injuriesClass 3 · LimitedFinal reportCessna 182 · Byers, COA partial loss of engine power for undetermined reasons.NTSB CEN19LA260Accident · Minor injuriesClass 3 · LimitedFinal reportMoth DH60GM · Cortez, COA partial loss of engine power due to carburetor ice accumulation, which resulted in a loss of altitude and impact with trees.NTSB CEN19LA061Accident · No injuriesClass 3 · LimitedFinal reportCessna 182 · Norwood, COThe partial loss of engine power for undetermined reasons.NTSB ERA19LA027Accident · No injuriesClass 3 · LimitedFinal reportPiper PA28 · Parker, COA 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 CEN19LA006Accident · Minor injuriesLimited investigationFinal reportCessna 120 · Hudson, COThe partial loss of engine power for reasons that could not be determined based on the available information.NTSB CEN16LA267Accident · Minor injuriesLimited investigationFinal reportAeronca 7BCM · Longmont, COThe 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 CEN16FA241Accident · 1 fatalField investigationFinal reportBoeve Earl Seawind · Buena Vista, COThe 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 CEN16LA223Accident · Minor injuriesLimited investigationFinal reportCirrus Design SR22 · Colorado Springs, COA 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 CEN14FA232Accident · No injuriesField investigationFinal reportBell 407 · Telluride, COThe 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 CEN14CA106Accident · Minor injuriesData collectionFinal reportCessna P210N · Pagosa Springs, COThe 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 CEN13LA443Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Monte Vista, COThe 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 CEN13FA182Accident · Minor injuriesField investigationFinal reportAero Commander 500B · Broomfield, COLoss 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 CEN12LA513Accident · Minor injuriesLimited investigationFinal reportGrumman Acft ENG Cor G-164A · La Salle, COThe loss of engine power due to the detached distributor rotor.NTSB CEN12LA252Accident · Minor injuriesLimited investigationFinal reportBeech P35 · Englewood, COThe pilot’s failure to abort the takeoff after the airplane failed to gain adequate airspeed.NTSB CEN12FA058Accident · 1 fatalField investigationFinal reportCessna 337G · Alamosa, COThe 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 CEN11CA678Accident · Minor injuriesData collectionFinal reportPiper PA-28-180 · Buena Vista, COThe 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 CEN11LA457Accident · Minor injuriesLimited investigationFinal reportBeech B36TC · Akron, COThe mixture control cable disconnected from the cable housing attach clamp, which resutlted in the pilot's inability to add power when needed.NTSB CEN10CA376Accident · No injuriesData collectionFinal reportWells Terry Hula Girl · Wellington, COA partial loss of engine power due to the inadequate design of the engine cowling.NTSB CEN09LA546Accident · No injuriesLimited investigationFinal reportTaylorcraft BCS-65 · Boulder, COA partial loss of engine power during initial climb due to carburetor icing.NTSB CEN09CA412Accident · Minor injuriesData collectionFinal reportQuicksilver Mxii Sport · Longmont, COThe loss of engine power for undetermined reasons.NTSB CEN09LA075Accident · Minor injuriesLimited investigationFinal reportHauser U/Hauser J KIT FOX CL · Boulder, COA 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 DEN08LA131Accident · Serious injuriesLimited investigationFinal reportFlynn Van Munk · Erie, COA loss of engine power due to carburetor icing. The reason for the loss of aircraft control was not determined.NTSB DFW08CA147Accident · No injuriesData collectionFinal reportDowell Vaughn Exec 90 · Lafayette, COThe pilot's improper in-flight decision to continue flight after experiencing a loss of rotor RPM. Contributing to the accident were the pilot's low level of experience in helicopters and the leaking oil from the engine oil filler cap.