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NTSB investigations, WY

157 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\" = 'WY' 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 WPR25LA154Accident · No injuriesClass 3 · LimitedPreliminary reportLee JA30 Superstol · Evanston, WYOn May 9, 2025, about 1020 mountain daylight time, an experimental amateur-built Just Aircraft Superstol, N128EL, was substantially damaged when it was involved in an accident near Evanston, Wyoming. The pilot and passenger were not injured. The airplane was…May 9, 2025 · N128EL · Substantial damageNTSB WPR19LA029Accident · No injuriesClass 3 · LimitedFinal reportBKF Backcountry Supercub · Casper, WYThe seizure of two bearings in the reduction gearbox, resulting in the total loss of engine power. Contributing to the accident was a high descent rate which resulted in a hard landing.Nov 19, 2018 · N59BK · Substantial damageNTSB CEN16LA256Accident · No injuriesLimited investigationFinal reportGulfstream American AA 5 · Cheyenne, WYThe airplane’s encounter with low-level wind shear during takeoff, which resulted in an off-airport landing.Jul 7, 2016 · N26908 · Substantial damageNTSB WPR16FA084Accident · 4 fatalField investigationFinal reportCessna 182A · Alpine, WYThe noninstrument-rated pilot's failure to maintain airspeed during the initial climb in dark night conditions with no visual reference, which resulted in a stall and collision with terrain.Mar 13, 2016 · N2230G · Substantial damageNTSB CEN15LA319Accident · No injuriesLimited investigationFinal reportCessna 182E · Rozet, WYThe loss of engine power for reasons that could not be determined because an examination of the engine did not reveal any anomalies that would have precluded normal operation.Jul 22, 2015 · N3344Y · Substantial damageNTSB CEN15LA284Accident · Serious injuriesLimited investigationFinal reportCessna TR182 · Casper, WYThe improper repair of the carburetor heat cable sheath to clamp joint, which prevented the proper operation of the carburetor heat and resulted in the loss of engine power.Jun 27, 2015 · N4751S · Substantial damageNTSB WPR14FA382Accident · 2 fatalField investigationFinal reportPiper PA 28R-180 · Saratoga, WYThe pilot’s failure to maintain a positive climb rate after takeoff in dark, night conditions, which resulted in his controlled flight into terrain due to the lack of ground references or natural horizon.Sep 21, 2014 · N4618J · Substantial damageNTSB WPR13CA297Accident · Minor injuriesData collectionFinal reportCharles Peet Zenith CH 701 · Jackson, WYThe pilot's failure to maintain adequate airspeed to avoid an aerodynamic stall during takeoff/initial climb.Jun 28, 2013 · N44CP · Substantial damageNTSB WPR13CA263Accident · Minor injuriesData collectionFinal reportGarland Avipro Bearhawk · Sheridan, WYThe pilot's failure to maintain airspeed, which resulted in a stall and a loss of aircraft control during the initial takeoff.Jun 7, 2013 · N540TH · Substantial damageNTSB WPR13LA230Accident · No injuriesLimited investigationFinal reportCessna T188C · Pine Bluffs, WYThe loss of engine power during takeoff for reasons that could not be determined because postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal operation.May 15, 2013 · N2167J · Substantial damageNTSB WPR12LA110Accident · No injuriesLimited investigationFinal reportBeech C23 · Rawlins, WYThe pilot's failure to maintain airspeed during the initial climb after takeoff, which resulted in an uncontrolled descent and collision with terrain.Feb 18, 2012 · N5205M · Substantial damageNTSB WPR12LA030Accident · No injuriesLimited investigationFinal reportPiper PA-31T · Cheyenne, WYThe flight crew’s failure to properly latch the cabin door before takeoff.Nov 8, 2011 · N39EH · Substantial damageNTSB WPR11LA463Accident · No injuriesLimited investigationFinal reportCessna 177 · Rock Springs, WYThe pilot did not lean the fuel mixture prior to takeoff, which resulted in the engine's inability to attain sufficient power due to the rich mixture, and his inadequate preflight planning.Sep 23, 2011 · N3152T · Substantial damageNTSB WPR11LA253Accident · No injuriesLimited investigationFinal reportCessna A188B · Pine Bluffs, WYA partial loss of engine power during takeoff for reasons that could not be determined because postaccident examination did not reveal any mechanical malfunctions or failures that would have precluded normal operation.Jun 2, 2011 · N9496G · Substantial damageNTSB WPR10LA376Accident · No injuriesLimited investigationFinal reportCessna 177 · Rawlins, WYThe pilot's inadequate preflight planning, failure to properly use the takeoff checklist, and failure to lean the fuel mixture, which resulted in the airplane’s inability to attain sufficient airspeed due to the rich fuel mixture.Jul 31, 2010 · N35296 · Substantial damageNTSB LAX08CA275Accident · No injuriesData collectionFinal reportPiper PA-11 · Sheridan, WYThe pilot's inadequate compensation for the existing gusty wind conditions and likely windshear encounter and his failure to maintain an adequate airspeed that resulted in a stall/mush.Aug 21, 2008 · N1106T · Substantial damageNTSB DEN06LA094Accident · Serious injuriesLimited investigationFinal reportCessna 180 · Sheridan, WYthe partial loss of engine power for undetermined reasons. Contributing factors were the dirt embankment and fence.Jun 30, 2006 · N153M · Substantial damageNTSB DEN05LA057Accident · No injuriesLimited investigationFinal reportCessna P210N · Lander, WYthe loss of engine power for undetermined reasons. A contributing factor was the lack of suitable terrain for the forced landing.Feb 17, 2005 · N4912K · Substantial damageNTSB DEN04LA110Accident · Serious injuriesLimited investigationFinal reportAmerican AA-1 · Guernsey, WYthe pilot's inadequate use of carburetor heat which resulted in the formation of carburetor ice and loss of engine power. Factors contributing to the accident were weather conditions conducive for carburetor icing, and a lack of suitable terrain for a forced…Jul 25, 2004 · N5667L · DestroyedNTSB DEN04FA078Accident · 1 fatalField investigationFinal reportAir Borne Windsports Pty. Edge Wing X · Carter, WYThe non-certificated pilot's failure to maintain adequate airspeed resulting in a stall. Factors contributing to the accident include the non-certificated pilot's improper judgment and the his lack of experience.May 25, 2004 · UNREG · DestroyedNTSB DEN03LA089Accident · No injuriesLimited investigationFinal reportBeech A36 · Afton, WYthe pilot's failure to achieve an adequate climb rate, resulting in an inflight collision with the sign. Contributing factors were the pilot's improper mixture leaning procedure, the high density altitude, his failure to abort the takeoff in a timely manner,…May 26, 2003 · N2106L · Substantial damageNTSB DEN02LA047Accident · No injuriesLimited investigationFinal reportCessna 170B · Rock Springs, WYthe pilot's failure to maintain aircraft control during initial takeoff climb. A contributing factor was the gusty crosswind.May 30, 2002 · N4559C · Substantial damageNTSB DEN02LA027Accident · No injuriesLimited investigationFinal reportKnight BD-4 · Kemmerer, WYThe pilot's failure to maintain directional control during takeoff, which resulted in a collision with a snowbank. A contributing factor was the high crosswind.Feb 20, 2002 · N84RL · Substantial damageNTSB DEN01LA142Accident · No injuriesLimited investigationFinal reportPiper PA-60-602P · Rock Springs, WYthe right main tire blowing out in flight, which resulted in a loss of directional control during landing.Aug 9, 2001 · N44JH · DestroyedNTSB DEN00LA058Accident · No injuriesLimited investigationFinal reportBeech A23A · Rawlins, WYThe pilot's failure to abort the landing in a timely manner. Factors were the tailwind and high density altitude, resulting in inadequate climb performance.Mar 13, 2000 · N2337W · Substantial damageNTSB DEN00FA021Accident · 2 fatalField investigationFinal reportPiper PA-18-125 · Afton, WYFailure of the pilot to remove frost from the wings prior to takeoff, causing an inadvertent stall/spin on initial climbout. Factors included exceeding the aircraft's certificated gross weight, and fog conditions.Nov 28, 1999 · N1132A · DestroyedNTSB DEN99LA092Accident · Minor injuriesLimited investigationFinal reportHughes 269A · Parkman, WYThe pilot's inadequate in-flight planning by exceeding the helicopter's performance climb capability. Factors were the downdraft encountered during initial climb following takeoff, and the high density altitude.Jun 1, 1999 · N7052L · Substantial damageNTSB DEN99LA089Accident · Minor injuriesLimited investigationFinal reportDehaan Challenger II · Douglas, WYThe pilot's failure to maintain directional control of the aircraft by not adequately correcting for torque/p-factor during initial climb following takeoff.May 29, 1999 · N22FE · Substantial damageNTSB FTW98LA391Accident · No injuriesLimited investigationFinal reportCessna 180F · Douglas, WYA collision with a deer during take-off.Sep 11, 1998 · N4612U · Substantial damageNTSB FTW98LA270Accident · No injuriesLimited investigationFinal reportPiper PA-25-260 · Douglas, WYThe pilot's inadequate judgement in attempting to takeoff from unsuitable rough terrain.Jun 17, 1998 · N8531L · Substantial damageNTSB SEA97LA125Accident · Serious injuriesLimited investigationFinal reportCessna 402C · Rawlins, WYThe pilot's failure to maintain clearance from the terrain during the initial climb after a night takeoff. Factors include a dark night and rising terrain off the departure end of the runway.Jun 2, 1997 · N1233P · Substantial damageNTSB SEA97LA093Accident · No injuriesLimited investigationFinal reportPiper PA-28-140 · Rawlins, WYThe pilot's inadequate preflight planning. Factors include high density altitude, downdrafts, and rough/uneven terrain in the area where the pilot attempted the emergency landing.Apr 26, 1997 · N6121J · Substantial damageNTSB SEA96LA081Accident · Minor injuriesLimited investigationFinal reportForth Acro 2 · Rock Springs, WYthe pilot's improper decision to attempt a takeoff from a road with gusting crosswinds, and his failure to adequately compensate for wind conditions during the takeoff. Factors contributing to the accident were gusts, crosswinds, and windshear.Apr 18, 1996 · N565HF · Substantial damageNTSB SEA96MA079Accident · 3 fatalClass 1 · MajorFinal reportCessna 177B · Cheyenne, WYthe pilot-in-command's improper decision to take off into deteriorating weather conditions (including turbulence, gusty winds, and an advancing thunderstorm and associated precipitation) when the airplane was overweight and when the density altitude was…Apr 11, 1996 · N35207 · DestroyedNTSB SEA95LA109Accident · Minor injuriesLimited investigationFinal reportBoeing A75N1 · Rawlins, WYThe pilot's failure to maintain a proper climb rate. Factors contributing to the accident were the high density altitude and the rising terrain.May 30, 1995 · N43286 · Substantial damageNTSB SEA94LA233Accident · No injuriesLimited investigationFinal reportCessna 150 · Cheyenne, WYFuel deterioration and/or contamination, and the pilot's decision to operate the airplane with a known problem.Sep 6, 1994 · N1396Q · Substantial damageNTSB SEA94LA210Accident · Serious injuriesLimited investigationFinal reportBurkhart Grob G-109B · Rock Springs, WYAircraft control was not maintained. Factors to the accident were: high density altitude and wind gusts.Aug 14, 1994 · N45GF · Substantial damageNTSB SEA93LA130Accident · No injuriesLimited investigationFinal reportBeech H35 · Douglas, WYThe improper maintenance/replacement of a fuel hose and the blocked fuel vapor return system. A factor relating to the accident was the cattle guard fence posts beside the road.Jun 14, 1993 · N368B · Substantial damageNTSB SEA93LA121Accident · Serious injuriesLimited investigationFinal reportPiper PA-30 · Afton, WYA loss of engine power for an undetermined reason(s).May 25, 1993 · N7569Y · DestroyedNTSB SEA93LA076Accident · No injuriesLimited investigationFinal reportBarr Kitfox II · Sheridan, WYA partial power loss for undetermined reasons. Factors include a strong crosswind on landing.Mar 15, 1993 · N569F · Substantial damageNTSB SEA92LA138Accident · Minor injuriesLimited investigationFinal reportNavion H · Gillette, WYAn engine power loss due to the collapse of the induction air ducting, inadequate maintenance, and improper approval of the modification.Jun 27, 1992 · N2550T · Substantial damageNTSB SEA91LA254Accident · No injuriesLimited investigationFinal reportBellanca 7GCBC · Kaycee, WYInadequate clearance with the vehicle and the pilot's failure to obtain proper assistance for the takeoff. Factors contributing to the accident were 1) the pilot's inadequate preflight planning, 2) the vehicle, and 3) high density altitude conditions.Sep 28, 1991 · N5505H · Substantial damageNTSB DEN90LA164Accident · No injuriesLimited investigationFinal reportMooney M20F · Torrington, WYA partial loss of power due to a failed exhaust valve. A factor was the lack of suitable terrain for the forced landing.Jul 14, 1990 · N6456Q · Substantial damageNTSB DEN90LA141Accident · No injuriesLimited investigationFinal reportBeech 23 · Wheatland, WYPermature liftoff.Jun 24, 1990 · N2310J · Substantial damageNTSB DEN90LA123Accident · No injuriesLimited investigationFinal reportPiper PA-18-150 · Douglas, WYThe accident to be improper installation of aileron control system by maintenance personnel, and failure to perform an aircraft preflight by the pilot in command.Jun 4, 1990 · N4720A · Substantial damageNTSB DEN89LA122Accident · No injuriesLimited investigationFinal reportCessna 175 · Sheridan, WYBinding (stuck) #4 exhaust valve. High vegetation (hay) and a hidden obstruction (ditch) were contributing factors.May 21, 1989 · N7557M · Substantial damageNTSB DEN89IA071Incident · No injuriesIncident investigationFinal reportBeech E90 · Lander, WYDeer on the runway.Jan 31, 1989 · N87CH · Minor damageNTSB DEN89LA044Accident · No injuriesLimited investigationFinal reportCessna 150E · Basin, WYThe private plt attempted a takeoff from his short farm field strip. During the takeoff ground run, the plt realized the acft would not have flying speed and clear the fence at the end of the field. He elected to try to jump the acft over the fence and land…Dec 17, 1988 · N6122T · Substantial damageNTSB DEN88LA149Accident · Serious injuriesLimited investigationFinal reportPiper PA-28R-200 · Cheyenne, WYThe flight originated in omaha, NE. Three passengers and the commercial plt embarked on a fishing trip into Wyoming. The pilot departed Cheyenne after having several problems with the engine and correcting the problem by proper leaning. He said he took off…Jul 8, 1988 · N4329F · Substantial damageNTSB DEN88LA123Accident · Serious injuriesLimited investigationFinal reportHelio H-295 · Encampment, WYThe plt stated he calculated the density altitude to have been 11,300 ft at takeoff. He said the acft was near max gross wt and that the grass strip he departed from was approx 1,500 ft long. The plt stated 'I was on the on the back side of the pwr curve as…Jun 5, 1988 · N6454V · Destroyed