OpenAirDocs.org

NTSB investigations, CO

491 cases where the phase of flight was Maneuvering.

Cases per year

19642026

Where

Open the map

Latest cases

Query with SQL
duckdb -csv -c "WITH phase_names(main, name) AS (VALUES (100, 'Prior to flight'), (150, 'Standing'), (200, 'Pushback/towing'), (250, 'Taxi'), (300, 'Takeoff'), (350, 'Initial climb'), (400, 'Enroute'), (450, 'Maneuvering'), (500, 'Approach'), (550, 'Landing'), (600, 'Emergency descent'), (650, 'Uncontrolled descent'), (700, 'Post-impact'), (750, 'After landing'), (800, 'Other'), (990, 'Unknown')),
    crosswalk(code, main, name) AS (VALUES (500, 150, 'Standing'), (501, 150, 'Standing - pre-flight'), (502, 150, 'Standing - starting engine(s)'), (503, 150, 'Standing - engine(s) operating'), (504, 150, 'Standing - engine(s) not operating'), (505, 150, 'Standing - idling rotors'), (510, 250, 'Taxi'), (511, 200, 'Taxi - pushback/tow'), (512, 250, 'Taxi - to takeoff'), (513, 250, 'Taxi - from landing'), (514, 250, 'Taxi - aerial'), (520, 300, 'Takeoff'), (521, 300, 'Takeoff - roll/run'), (522, 350, 'Takeoff - initial climb'), (523, 300, 'Takeoff - aborted'), (530, 400, 'Climb'), (531, 400, 'Climb - to cruise'), (540, 400, 'Cruise'), (541, 400, 'Cruise - normal'), (542, 400, 'Maneuvering - holding (IFR)'), (550, 400, 'Descent'), (551, 400, 'Descent - normal'), (552, 600, 'Descent - emergency'), (553, 650, 'Descent - uncontrolled'), (560, 500, 'Approach'), (561, 500, 'Approach - VFR pattern - downwind'), (562, 500, 'Approach - VFR pattern - base turn'), (563, 500, 'Approach - VFR pattern - base leg/base to final'), (564, 500, 'Approach - VFR pattern - final approach'), (565, 500, 'Go-around (VFR)'), (566, 500, 'Approach - IAF to FAF/outer marker (IFR)'), (567, 500, 'Approach - FAF/outer marker to threshold (IFR)'), (568, 500, 'Circling (IFR)'), (569, 500, 'Missed approach (IFR)'), (570, 550, 'Landing'), (571, 550, 'Landing - flare/touchdown'), (572, 550, 'Landing - roll'), (573, 550, 'Landing - aborted'), (574, 550, 'Emergency landing'), (575, 550, 'Emergency landing after takeoff'), (576, 600, 'Emergency descent/landing'), (580, 450, 'Maneuvering'), (581, 450, 'Maneuvering - aerial application'), (582, 450, 'Maneuvering - turn to reverse direction'), (583, 450, 'Maneuvering - turn to landing area (emergency)'), (590, 450, 'Hover'), (591, 450, 'Hover - in ground effect'), (592, 450, 'Hover - out of ground effect'), (600, 800, 'Other'), (610, 990, 'Unknown')),
    current_codes AS (
      SELECT e.case_mkey, TRY_CAST(e.\"tier1Number\" AS INTEGER) AS code,
        row_number() OVER (PARTITION BY e.case_mkey ORDER BY coalesce(e.\"isDefiningEvent\", false) DESC, e.position) AS n
      FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e
      WHERE e.aircrafts_position = 1 AND e.\"tier1Number\" GLOB '[1-9][0-9]*'
        AND (e.\"isDefiningEvent\" OR e.case_mkey IN (SELECT \"mKey\" FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' WHERE \"isPre1982\"))
    ),
    phases AS (
      SELECT case_mkey, 'current' AS scheme, code, CASE WHEN code >= 990 THEN 990 ELSE code // 50 * 50 END AS main
      FROM current_codes WHERE n = 1
      UNION ALL
      SELECT o.case_mkey, 'older', o.\"phaseOfFlightCode\", w.main
      FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o JOIN crosswalk w ON w.code = o.\"phaseOfFlightCode\"
      WHERE o.aircrafts_position = 1 AND o.\"occurrenceNumber\" = 1 AND o.case_mkey NOT IN (SELECT case_mkey FROM current_codes)
    ),
    case_phases AS (
      SELECT p.*, c.\"eventDate\", c.\"highestInjuryLevel\" = 'Fatal' AS fatal, a.aircraft_model_code
      FROM phases p JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c.\"mKey\" = p.case_mkey
      LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = p.case_mkey AND a.position = 1
      WHERE c.\"eventDate\" >= DATE '1962-01-01' AND p.main IN (SELECT main FROM phase_names)
    )
  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 case_mkey FROM case_phases WHERE main = 450)
  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 CEN26FA247Accident · 1 fatalClass 3 · FieldPreliminary reportKaman Aerospace K-1200 · Silver Jack Reservoir, COOn July 12, 2026, about 1705 mountain daylight time, a Kaman Aerospace Corporation K-1200 (K-MAX) helicopter, N40HX, was substantially damaged when it was involved in an accident at Silver Jack Reservoir, Colorado. The pilot was fatally injured. The…Jul 12, 2026 · N40HX · Substantial damageNTSB CEN25LA334Accident · No injuriesClass 4 · LimitedFinal reportKaman Aerospace K-1200 · Eagle, COThe pilot’s failure to maintain helicopter control which resulted in an uncontrolled descent and impact with terrain.Aug 22, 2025 · N171PL · Substantial damageNTSB CEN25FA247Accident · 1 fatalClass 3 · FieldPreliminary reportZenith CH601 · Pawnee National Grassland, COOn July 12, 2025, about 1250 mountain daylight time, a Zenith CH601 HDS airplane, N314LB was destroyed when it was involved in an accident in the Pawnee National Grasslands, Colorado. The pilot was fatally injured. The airplane was operated under the…Jul 12, 2025 · N314LB · DestroyedNTSB CEN25LA240Accident · No injuriesClass 4 · LimitedFinal reportCub Crafters CCK-1865 · La Garita, COThe pilot’s failure to maintain clearance from terrain while maneuvering at low altitude in mountainous terrain. Contributing was the pilot’s inadequate preflight planning and aeronautical decision making.Jul 7, 2025 · N952SA · Substantial damageNTSB CEN25FA047Accident · 2 fatalClass 3 · FieldFinal reportCessna 182T · Drake, COThe pilot’s failure to maintain airplane control while maneuvering in mountainous terrain. Contributing was mountain wave turbulence in the area.Nov 23, 2024 · N434CP · DestroyedNTSB CEN24FA338Accident · 1 fatalClass 3 · FieldFinal reportAir Tractor AT-602 · Camden, COThe pilot’s failure to maintain adequate clearance from a power transformer that was mounted to a power pole during an aerial application flight.Sep 5, 2024 · N602BA · Substantial damageNTSB CEN24LA270Incident · No injuriesClass 3 · LimitedFinal reportCessna R172E · Hillrose, COThe binding of the left flap due to improper maintenance.Jul 6, 2024 · N23788 · Minor damageNTSB CEN24LA226Accident · Serious injuriesClass 3 · LimitedFinal reportCostruzioni Aeronautiche Tecna P2006T · Larkspur, COThe flight instructor’s failure to apply carburetor heat, which resulted in a loss of left engine power due to carburetor icing.Jun 16, 2024 · N968GV · Substantial damageNTSB CEN24LA036Accident · No injuriesClass 3 · LimitedFinal reportTextron 172S · Erie, COA partial loss of engine power while maneuvering at a low altitude due to a stuck exhaust valve.Nov 9, 2023 · N1817E · Substantial damageNTSB CEN23FA349Accident · 1 fatalClass 3 · FieldFinal reportNanchang China CJ-6A · Peyton, COThe pilot’s exceedance of the airplane’s critical angle of attack while intentionally maneuvering in a steep bank at low altitude, which resulted in an accelerated aerodynamic stall/spin and subsequent loss of airplane control.Aug 5, 2023 · N4184G · Substantial damageNTSB CEN23LA263Accident · Serious injuriesClass 4 · LimitedFinal reportCessna 182G · Gunnison, COThe pilot’s improper decision to fly into an area of unsuitable terrain which the airplane was unable to exit, resulting in an aerodynamic stall and subsequent impact with terrain.Jun 23, 2023 · N3289S · DestroyedNTSB CEN23LA049Accident · No injuriesClass 3 · LimitedFinal reportCessna 182A · Durango, COA complete loss of engine power for reasons that could not be determined from the available evidence.Nov 24, 2022 · N3886D · Substantial damageNTSB CEN22LA414Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 172M · Fort Collins, COThe pilot’s failure to maintain clearance from rising terrain while intentionally maneuvering the airplane at low altitudes, which resulted in substantial damage to the fuselage and both wings.Sep 12, 2022 · N9049H · Substantial damageNTSB CEN22FA064Accident · 1 fatalClass 3 · FieldFinal reportVans RV-4 · Walsenburg, COThe pilot’s failure to maintain clearance from terrain while intentionally maneuvering in a canyon at low altitude. Contributing to the accident was the pilot’s decision to enter a canyon environment at a low altitude, and the sudden change in wind conditions…Dec 8, 2021 · N456MC · Substantial damageNTSB CEN22FA035Accident · 1 fatalClass 3 · FieldFinal reportAir Tractor AT-802A · Estes Park, COThe airplane’s encounter with severe to extreme turbulence associated with mountain wave rotor cloud activity, which resulted in loss of airplane control.Nov 17, 2021 · N802NZ · Substantial damageNTSB CEN21FA424Accident · 1 fatalClass 3 · FieldFinal reportBoeing A75 · Delta, COThe pilot’s loss of control during an aerobatic maneuver, resulting in the airplane impacting terrain.Sep 17, 2021 · N19BB · Substantial damageNTSB CEN21LA292Accident · Minor injuriesClass 4 · LimitedFinal reportCurnutt Elton E SKY Ranger B · Ellicott, COThe pilot’s loss of control while maneuvering at low altitude.Jun 27, 2021 · N7714E · Substantial damageNTSB 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.Jun 14, 2021 · N30286 · Substantial damageNTSB CEN21FA177Accident · 1 fatalClass 3 · FieldFinal reportMagnus Fusion 212 · Conifer, COThe pilot’s decision to fly at low altitude toward a mountainous canyon, and his exceedance of the airplane’s critical angle of attack while maneuvering to avoid rising terrain, which resulted in an aerodynamic stall and loss of airplane control.Apr 3, 2021 · N434MA · Substantial damageNTSB CEN21LA119Accident · Serious injuriesClass 3 · LimitedFinal reportCessna 172 · Silt, COThe pilot’s failure to avoid powerlines while flying at low altitude.Jan 31, 2021 · N4376Q · DestroyedNTSB CEN20CA311Accident · Minor injuriesClass 4 · Data collectionFinal reportAir Tractor AT 401 · Burlington, COThe pilot’s failure to maintain clearance from guy-wires during low-altitude agricultural operations.Jul 27, 2020 · N9190Q · Substantial damageNTSB CEN20LA273Accident · Serious injuriesClass 3 · LimitedFinal reportAerospatiale AS355 · Rifle, COA loss of tail rotor effectiveness, the pilot’s subsequent loss of helicopter control, and collision with terrain.Jul 11, 2020 · N708AC · DestroyedNTSB CEN20LA278Accident · 1 fatalClass 3 · LimitedFinal reportGrumman G164 · Springfield, COThe pilot’s loss of visibility in the cockpit due to foam created by the chemicals loaded in the hopper, which resulted in collision with terrain. Contributing to the accident was the combining of chemicals known to produce foam and the pilot’s failure to…Jul 10, 2020 · N6917K · DestroyedNTSB CEN20CA139Accident · Serious injuriesData collectionFinal reportRans S-12 Airaile · Hillrose, COThe noncertificated pilot's diverted attention while looking at a fire during low-altitude flying, which resulted in a collision with power lines.Apr 4, 2020 · UNREG · Substantial damageNTSB CEN20LA073Accident · No injuriesClass 3 · LimitedFinal reportHiller UH 12E · Dinosaur, COFailure of a S4 compressor blade due to a fatigue crack that likely initiated at a corrosion pit. Contributing to the accident was maintenance personnel’s failure to detect the corrosion pits during maintenance.Feb 1, 2020 · N7173S · Substantial damageNTSB CEN19TA280Accident · Serious injuriesClass 3Final reportBell 47G · Montrose, COA loss of engine power due to fuel starvation, which resulted from attitude-induced unporting of the fuel.Aug 20, 2019 · N1170W · Substantial damageNTSB CEN19LA162Accident · Minor injuriesClass 3 · LimitedFinal reportRobinson R44 · Last Chance, COThe pilot's failure to maintain adequate main rotor rpm while descending with a tailwind during an aerial application maneuver, which resulted in an uncontrolled descent into terrain.Jun 8, 2019 · N4504L · Substantial damageNTSB GAA19CA262Accident · No injuriesData collectionFinal reportCub Crafters Carbon CUB EX · Grand Junction, COThe pilot's failure to maintain clearance from power lines during low-level maneuvering through a canyon.May 11, 2019 · N56XC · Substantial damageNTSB CEN18LA381Accident · No injuriesLimited investigationFinal reportPiper PA28 · Pagosa Springs, COThe student pilot's mismanagement of the fuel selector valve during the simulated forced landing demonstration and the flight instructor's inadequate supervision to ensure the fuel selector was properly set, which resulted in a loss of engine power and…Sep 19, 2018 · N8003W · Substantial damageNTSB CEN18LA303Accident · Minor injuriesLimited investigationFinal reportBuchanan Kitfox IV · Loma, COThe pilot's improper decision to conduct a low-altitude flight over a river and his inadequate monitoring of the environment, which resulted in a collision with a cableway.Jul 31, 2018 · N125TY · Substantial damageNTSB CEN18LA034Accident · No injuriesLimited investigationFinal reportErcoupe 415 CD · Aurora, COThe failure of the engine-driven fuel pump and the pilot's failure to identify the pump's failure, which resulted in a loss of engine power due to fuel starvation and a forced landing on a road, during which the airplane hit obstacles.Nov 20, 2017 · N3067H · Substantial damageNTSB CEN17FA354Accident · 4 fatalField investigationFinal reportCirrus Design SR22 · Glenwood Springs, COThe non-instrument-rated pilot's inadequate preflight weather planning, his decision to depart into forecast instrument meteorological conditions along the route of flight, and his continued visual flight into instrument meteorological conditions, which…Sep 16, 2017 · N462SR · DestroyedNTSB CEN17LA314Accident · Serious injuriesLimited investigationFinal reportHughes 369D · Villa Grove, COThe pilot’s failure to maintain main rotor clearance from a power line tower during low-level maneuvering.Aug 10, 2017 · N58424 · Substantial damageNTSB CEN17FA111Accident · 2 fatalField investigationFinal reportCessna 172S · Berthoud, COThe failure of the pilots to apply prompt and/or correct flight control inputs to adequately recover from the intentional aerodynamic spin.Feb 27, 2017 · N2461N · Substantial damageNTSB CEN16FA328Accident · 1 fatalField investigationFinal reportAero Commander S2R · Center, COThe pilot's failure to maintain airplane control during a low-level maneuver, which resulted in an aerodynamic stall.Aug 19, 2016 · N8870Q · DestroyedNTSB CEN16LA247Accident · Serious injuriesLimited investigationFinal reportBeech E 90 · Longmont, COThe pilot's unintentional activation of the green jump light before the airplane was properly configured and slowed for a jump and the jumpers' improper decision to continue with the jump after they recognized that the airplane was at a higher-than-normal…Jun 26, 2016 · N92DV · Substantial damageNTSB CEN16FA188Accident · 1 fatalField investigationFinal reportCessna P210N · Sheridan Lake, COThe pilot's severe impairment from the combined effects of high levels of ingested alcohol as well as three impairing medications (zolpidem, lorazepam, and diphenhydramine), which resulted in his decision to attempt an aerobatic maneuver that the airplane was…May 18, 2016 · N6609P · Substantial damageNTSB CEN15FA424Accident · 2 fatalField investigationFinal reportBeech S35 · Pagosa Springs, COImproper engine assembly by unknown maintenance personnel, which resulted in the failure of the No. 6 connecting rod due to oil starvation from the shifting of the crankshaft's No. 4 main bearing.Sep 25, 2015 · N193Q · DestroyedNTSB CEN15CA312Accident · No injuriesData collectionFinal reportEurocopter EC 130 B4 · Somerset, COThe pilot's decision to fly at a low altitude when he was aware that there were wires in the area which resulted in the helicopter contacting a wire.Jul 3, 2015 · N974BR · Substantial damageNTSB CEN15FA211Accident · 1 fatalField investigationFinal reportHoffman Zenith 701 · Trinidad, COThe 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…Apr 30, 2015 · N95MH · Substantial damageNTSB CEN15LA122Accident · Serious injuriesLimited investigationFinal reportCessna 172F · Routt County, COThe pilot’s intentional flight into terrain.Jan 25, 2015 · N8368U · Substantial damageNTSB CEN15FA101Accident · 1 fatalField investigationFinal reportPiper PA 28RT-201T · Brighton, COThe pilot's intentional descent into the terrain.Jan 11, 2015 · N82828 · DestroyedNTSB CEN15LA004Accident · 2 fatalLimited investigationFinal reportCelier Xenon R · Loma, COThe pilot’s failure to maintain clearance from a static wire and his decision to maneuver the gyroplane at low altitude.Oct 5, 2014 · N719MB · Substantial damageNTSB CEN14CA360Accident · No injuriesData collectionFinal reportRobinson Helicopter R44 II · Englewood, COThe pilot did not maintain control of the helicopter during the takeoff resulting in low rotor rpm and impact of the fuel trailer during the running landing.Jul 11, 2014 · N69MP · Substantial damageNTSB CEN14CA318Accident · No injuriesData collectionFinal reportMeyer Geoffrey A Goat · Wolcott, COThe failure of an oil line leading to the oil pressure transducer which resulted in oil starvation and subsequent loss of engine power.Jun 16, 2014 · N987SL · Substantial damageNTSB CEN14FA265Accident · 2 fatalField investigationFinal reportCessna 150 · Watkins, COThe pilot’s loss of control and subsequent aerodynamic stall due to spatial disorientation in night instrument meteorological conditions. Contributing to the accident was the pilot’s distraction due to his cell phone use while maneuvering at low-altitude.May 31, 2014 · N6275G · Substantial damageNTSB CEN14FA230Accident · No injuriesField investigationFinal reportPiper PA 25-235 · Northglenn, COThe pilot's decision to operate the banner-tow flight below the minimum safe altitude specified by federal regulation, which likely limited his ability to recover from a potential loss of airspeed due to a gusting wind condition. Also causal was the pilot’s…May 5, 2014 · N4519Y · DestroyedNTSB 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…May 3, 2014 · N407MH · Substantial damageNTSB CEN14FA163Accident · 1 fatalField investigationFinal reportSmith Aerostar 601P · Aurora, COThe pilot's operation of the airplane while intoxicated, which resulted in a loss of airplane control.Mar 19, 2014 · N90464 · DestroyedNTSB CEN14CA160Accident · Minor injuriesData collectionFinal reportPiper PA 28-235 · De Beque, COThe pilot's failure to maintain control of the airplane while maneuvering at low altitude.Mar 14, 2014 · N9172W · Substantial damage