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NTSB investigations, CO

549 cases where the phase of flight was Initial climb.

Cases per year

19642026

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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 = 350)
  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 CEN26LA281Accident · No injuriesClass 4 · LimitedInvestigation openMooney M20E · Longmont, COAug 4, 2026 · N3264F · Substantial damageNTSB CEN26LA235Accident · No injuriesClass 4 · LimitedInvestigation openBeech V35B · Greeley, COJun 17, 2026 · N4275S · No damageNTSB ANC26LA049Accident · Minor injuriesClass 4 · LimitedInvestigation openWilliam F Schoen RV-7 · Alpine, COJun 10, 2026 · N727BN · Substantial damageNTSB CEN26LA001Accident · Minor injuriesClass 3 · LimitedPreliminary reportPiper PA-28R-200 · Colorado Springs, COOn October 1, 2025, about 0412 mountain daylight time, a Piper PA-28R-200 airplane, N999AD, was substantially damaged during an accident near Colorado Springs, Colorado. The pilot sustained minor injuries, and the 2 passengers were not injured. The airplane…Oct 1, 2025 · N999AD · Substantial damageNTSB CEN25LA251Accident · Minor injuriesClass 4 · LimitedFinal reportScott Vincin Just Acft Highlander · Mancos, COThe airplane’s reduced climb performance during takeoff in mountainous terrain, which resulted in the airplane’s inability to climb and impact with terrain.Jul 13, 2025 · N970SV · Substantial damageNTSB CEN25FA216Accident · 2 fatalClass 3 · FieldPreliminary reportMurphy Aircraft Manufacturing Moose · Montrose, COOn June 23, 2025, about 1021 mountain daylight time, a Murphy Aircraft Manufacturing Limited Moose airplane, N250MK, was destroyed when it was involved in an accident near Montrose, Colorado. The pilot and the pilot-rated passenger sustained fatal injuries.…Jun 23, 2025 · N250MK · DestroyedNTSB CEN24LA350Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 172 · Englewood, COA partial loss of engine power due to fuel-oil contamination of the fuel injection servo.Sep 11, 2024 · N20747 · Substantial damageNTSB CEN24LA015Accident · No injuriesClass 4 · LimitedFinal reportDehavilland Tiger Moth DH 82A · Greeley, COThe pilot’s decision to turn out early during the initial climb and failure to maintain adequate airspeed/angle-of-attack, which resulted in an aerodynamic stall and impact with airport hangars. Contributing to the accident was the variable wind conditions…Oct 17, 2023 · N41DH · Substantial damageNTSB CEN23LA394Accident · Minor injuriesClass 4 · LimitedFinal reportTextron 172S · Englewood, COAn in-flight collision with multiple geese during initial climb.Sep 2, 2023 · N20818 · Substantial damageNTSB CEN23LA203Accident · No injuriesClass 4 · LimitedFinal reportNanchang CJ6 · Windsor, COAn inflight collision with a bird while on initial climb.May 25, 2023 · N443LM · Substantial damageNTSB CEN23LA128Accident · Minor injuriesClass 3 · LimitedFinal reportZenith Zodiac 601XL · La Veta, COThe pilot’s decision to fly the airplane in which he had no experience in strong, gusting wind, which resulted his failure to maintain proper airspeed and his exceedance of the airplane’s critical angle of attack and a subsequent aerodynamic stall.Mar 10, 2023 · N969WD · Substantial damageNTSB CEN23LA032Accident · No injuriesClass 4 · LimitedFinal reportMulholland Robert A Vans RV-7 · Englewood, COAn encounter with windshear during the initial climb after takeoff, which resulted in a loss of control. Contributing to the accident was the pilot’s improper decision to takeoff with a tailwind.Nov 9, 2022 · N771RG · Substantial damageNTSB CEN23LA013Accident · Serious injuriesClass 4 · LimitedFinal reportPober Pixie · Sterling, COThe pilot’s failure to maintain control during the takeoff with strong gusty surface wind.Oct 11, 2022 · N872UE · Substantial damageNTSB 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.Sep 14, 2022 · N3713T · Substantial damageNTSB CEN22LA308Accident · Minor injuriesClass 3 · LimitedFinal reportVans RV6 · Aurora, COA total loss of engine power due to foreign object debris blockage of engine air intake. The source of the debris could not be determined based on the available information.Jul 3, 2022 · N184CB · Substantial damageNTSB CEN22FA208Accident · 2 fatalClass 3 · FieldFinal reportPiper PA-32-260 · Broomfield, COThe pilot’s failure to abort the takeoff due to degraded engine performance. Contributing to the accident was the reduced performance of the engine, the reason for which could not be determined.May 22, 2022 · N85CT · Substantial damageNTSB CEN22LA065Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-24-250 · Delta, COFuel starvation resulting in a loss of engine power.Dec 8, 2021 · N543AS · Substantial damageNTSB CEN21LA341Accident · No injuriesClass 4 · LimitedFinal reportCessna T210F · Peyton, COThe pilot’s fuel mismanagement that resulted in a complete loss of engine power during climb and subsequent impact with terrain during a forced landing.Jul 27, 2021 · N6162R · Substantial damageNTSB CEN21LA325Accident · Serious injuriesClass 3 · LimitedFinal reportBeech 35-C33 · Longmont, COThe airplane’s lack of climb performance after takeoff in high density altitude conditions for reasons that could not be determined based on the available evidence.Jul 18, 2021 · N18AR · Substantial damageNTSB DCA21FA085Incident · No injuriesClass 3 · FieldFinal reportBoeing 777-222 · Broomfield, COThe fatigue failure of the right engine fan blade. Contributing to the fan blade failure was the inadequate inspection of the blades, which failed to identify low-level indications of cracking, and the insufficient frequency of the manufacturer’s inspection…Feb 20, 2021 · N772UA · Minor damageNTSB CEN20LA252Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA28R · Denver, COThe total loss of engine power during climbout due to fuel starvation. Contributing to the accident was the pilot’s inadequate fuel planning.Jun 28, 2020 · N811MS · Substantial damageNTSB GAA19CA257Accident · Minor injuriesData collectionFinal reportCessna 182 · Glades Park, COThe pilot's failure to maintain adequate airspeed and climb rate during takeoff in high-density altitude conditions, which resulted in his failure to clear power lines.May 11, 2019 · N6314B · Substantial damageNTSB CEN19LA085Accident · Serious injuriesClass 3 · LimitedFinal reportTecnam P92 · Englewood, COThe loss of engine power for undetermined reasons, because the airplane wreckage was sold and relocated before the engine could be examined.Feb 21, 2019 · N108TE · Substantial damageNTSB 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.Oct 26, 2018 · N5575U · Substantial damageNTSB DCA19CA010Accident · Serious injuriesClass 4 · Data collectionFinal reportAirbus A319 · Denver, COinadvertent encounter with clear air turbulence resulting in a flight attendant receiving serious injuries.Oct 12, 2018 · N926FR · No damageNTSB CEN18LA348Accident · No injuriesLimited investigationFinal reportPiper PA32R · Falcon, COThe pilot's decision to depart with an inoperative left magneto, which resulted in degraded climb performance in high-density altitude conditions and a subsequent emergency landing.Aug 23, 2018 · N2880W · Substantial damageNTSB CEN18FA168Accident · 1 fatalField investigationFinal reportCirrus Design SR22 · Lone Tree, COThe pilot's loss of control due to spatial disorientation. Contributing to the accident was the pilot's self-induced pressure to fly the airplane at night in marginal weather conditions.May 12, 2018 · N507TX · DestroyedNTSB CEN18LA076Accident · Serious injuriesLimited investigationFinal reportBeech K35 · Longmont, COA total loss of engine power for reasons that could not be determined because a postaccident examination of the airplane revealed no evidence of mechanical malfunctions or failures that would have precluded normal operation.Jan 13, 2018 · N803R · Substantial damageNTSB CEN17LA236Accident · Minor injuriesLimited investigationFinal reportWells John L JR Stol CH 701 · Canon City, COFuel starvation due to the deterioration of a fuel hose.Jun 18, 2017 · N999WX · Substantial damageNTSB CEN17LA220Accident · Serious injuriesLimited investigationFinal reportBellanca 17 30 · Watkins, COThe pilot's in-flight fuel mismanagement, which resulted in fuel starvation and a total loss of engine power.Jun 8, 2017 · N7328V · Substantial damageNTSB CEN16LA239Accident · Minor injuriesLimited investigationFinal reportPiper J3F 65 · Strasburg, COA partial loss of engine power due to carburetor ice accumulation.Jun 27, 2016 · N29042 · Substantial damageNTSB GAA16CA336Accident · No injuriesData collectionFinal reportCessna 152 · Delta, COThe pilot exceeded the critical angle of attack during the initial climb in tailwind conditions, which resulted in an aerodynamic stall.Jun 25, 2016 · N152L · Substantial damageNTSB CEN15FA090Accident · 1 fatalField investigationFinal reportCessna 404 · Englewood, COThe loss of power to the right engine for reasons that could not be determined during postaccident examination and teardown and the pilot’s failure to properly configure the airplane for single-engine flight.Dec 30, 2014 · N404MG · Substantial damageNTSB CEN14LA439Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-401 · Wray, COA loss of the No. 1 cylinder’s compression due to a stuck exhaust valve caused by a lack of sufficient valve clearance, which resulted in a loss of engine power and a forced landing. Contributing to the loss of engine power were the worn intake and exhaust…Aug 19, 2014 · N4542W · Substantial damageNTSB CEN14FA339Accident · 2 fatalField investigationFinal reportNorth American/Aero Classics P 51D · Durango, COThe pilot's failure to compensate for the high-performance airplane's tendency to enter a torque roll during the initial climb, which resulted in the airplane entering a torque roll and the subsequent loss of control at too low of an altitude to recover.…Jul 4, 2014 · N1451D · Substantial damageNTSB CEN14LA267Accident · No injuriesLimited investigationFinal reportDiamond Aircraft Ind DA20-C1 · Longmont, COA loss of engine power due to fuel exhaustion. Contributing to the accident was the pilot’s inadequate preflight inspection.Jun 1, 2014 · N206ND · Substantial damageNTSB CEN14TA126Accident · Minor injuriesFinal reportDiamond Aircraft Ind DA20-C1 · Fort Carson, COThe flight instructor's loss of control after takeoff following a wake turbulence encounter from a preceding helicopter. Contributing to the accident were the flight instructor's misidentification of the helicopter type and a lack of Federal Aviation…Jan 29, 2014 · N959DA · Substantial damageNTSB CEN14FA071Accident · 1 fatalField investigationFinal reportCessna 182E · Delta, COThe student pilot’s decision to attempt flight into instrument meteorological conditions, which resulted in a loss of control and ground impact.Nov 29, 2013 · N3087Y · DestroyedNTSB CEN14LA054Accident · No injuriesLimited investigationFinal reportQuicksilver Mxii Sport · Erie, COA loss of engine power due to a crankshaft failure, which resulted in a forced landing.Nov 14, 2013 · N2910P · Substantial damageNTSB CEN13LA539Accident · Minor injuriesLimited investigationFinal reportCessna T207 · Colorado Springs, COThe pilot’s failure to establish the proper pitch attitude and airspeed during takeoff with the engine at maximum power, which resulted in the exceedance of the airplane’s climb performance capability.Sep 4, 2013 · N211AS · Substantial damageNTSB CEN13LA358Accident · No injuriesLimited investigationFinal reportPiper PA-28R-180 · Durango, COThe pilot's improper decision to take off with a tailwind at a high-density altitude, which resulted in the airplane’s failure to maintain the initial climb rate.Jun 18, 2013 · N7444J · Substantial damageNTSB CEN13LA199Accident · No injuriesLimited investigationFinal reportRyan Navion · Broomfield, COThe pilot's inadequate preflight planning and decision to take off at a high density altitude and in gusting wind conditions.Mar 15, 2013 · N4276K · Substantial damageNTSB 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…Mar 1, 2013 · N93AA · Substantial damageNTSB CEN12FA653Accident · No injuriesField investigationFinal reportPiper PA-46-350P · Kiowa, COA catastrophic engine failure due to unrecognized and unrepaired corrosion within the engine, which was consistent with engine operations after an extended period of inactivity.Sep 18, 2012 · N188SR · Substantial damageNTSB CEN12LA513Accident · Minor injuriesLimited investigationFinal reportGrumman Acft ENG Cor G-164A · La Salle, COThe loss of engine power due to the detached distributor rotor.Aug 1, 2012 · N9822 · Substantial damageNTSB CEN12CA370Accident · Minor injuriesData collectionFinal reportEvektor-Aerotechnik Sportstar Plus · Erie, COThe student pilot’s improper performance of a soft field takeoff procedure, which resulted in a loss of airplane control, and the flight instructor’s delayed remedial action to correct the situation.Jun 14, 2012 · N617EV · Substantial damageNTSB CEN12CA075Accident · No injuriesData collectionFinal reportGlobe GC-1B · Denver, COA loss of engine power due to fuel starvation as a result of a loose fuel line fitting.Nov 19, 2011 · N80775 · Substantial damageNTSB 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.Nov 10, 2011 · N337LC · DestroyedNTSB 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.Sep 6, 2011 · N9430J · Substantial damageNTSB CEN11FA572Accident · Serious injuriesField investigationFinal reportFerguson Fergy 1 · Falcon, COA loss of control for undetermined reasons.Aug 6, 2011 · N2515E · Substantial damage