OpenAirDocs.org

NTSB investigations, UT

276 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\" = 'UT' 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 ANC26FA079Accident · 2 fatalClass 3 · FieldPreliminary reportHelicopter Transport Services CH-54A · Cove Fort, UTOn August 7, 2026, about 1044 mountain daylight time, a Helicopter Transport Services (Sikorsky) CH-54A Skycrane Helitanker, N793HT, was destroyed when it was involved in an accident near Cove Fort, Utah. The pilot and copilot were fatally injured. The…Aug 7, 2026 · N793HT · DestroyedNTSB WPR26LA180Accident · Serious injuriesClass 4 · LimitedFinal reportCessna 172 · Marysvale, UTThe pilot's failure to maintain clearance from trees while maneuvering in mountainous terrain prior to encountering a downdraft.May 10, 2026 · N6643A · DestroyedNTSB WPR26LA174Accident · Minor injuriesClass 4 · LimitedFinal reportAmerican Champion 7GCBC · Big Water, UTThe pilot’s failure to maintain adequate airspeed and exceedance of the airplanes critical angle of attack while maneuvering at a low altitude, which resulted in a subsequent stall and impact with trees during stall recovery.May 1, 2026 · N400KB · Substantial damageNTSB WPR26LA104Accident · No injuriesClass 4 · LimitedFinal reportAerosport Ikarus C42E · Wendover, UTThe pilot’s mismanagement of engine power during a maximum performance, 180° climbing left turn at a low altitude that resulted in impact with terrain.Feb 16, 2026 · N420MS · Substantial damageNTSB WPR25LA278Accident · Minor injuriesClass 4 · LimitedFinal reportDiamond Aircraft Ind DA 40 · Rocky Ridge, UTThe flight instructor’s inadequate supervision and delayed remedial action during an unusual attitude recovery, which resulted in a descent into terrain.Sep 12, 2025 · N8VT · Substantial damageNTSB WPR25LA056Accident · Minor injuriesClass 4 · LimitedFinal reportPiper PA-12 · Marysvale, UTThe pilot’s failure to maintain clearance from snow covered terrain while maneuvering at low altitude.Dec 5, 2024 · N1706B · Substantial damageNTSB WPR24FA313Accident · 2 fatalClass 3 · FieldFinal reportCirrus Design SR22 · Provo, UTThe pilot's exceedance of the airplane’s critical angle of attack while maneuvering for landing, which resulted in an aerodynamic stall and loss of control.Sep 27, 2024 · N831AZ · Substantial damageNTSB WPR24FA083Accident · 2 fatalClass 2 · FieldFinal reportHawker Beechcraft Hawker 900XP · Westwater, UTThe flight crew’s decision to conduct a post-maintenance stall test in an area of icing conditions, which resulted in wing contamination that significantly decreased the airplane’s critical angle of attack. Also causal was the airplane manufacturer’s lack of…Feb 7, 2024 · N900VA · DestroyedNTSB WPR24FA035Accident · 2 fatalClass 3 · FieldFinal reportCessna 172G · Provo, UTThe pilot's exceedance of the airplane's critical angle of attack during a chandelle maneuver, which resulted in an aerodynamic stall and descent into trees and terrain. Contributing to the accident was the pilot’s decision to maneuver into a canyon and…Nov 14, 2023 · N3971L · Substantial damageNTSB WPR23LA126Accident · Minor injuriesClass 4 · LimitedFinal reportTrendak Taurus · Strawberry Reservoir, UTThe pilot’s failure to maintain clearance from the snow-covered lake while flying at a low altitude.Mar 11, 2023 · N553AT · Substantial damageNTSB WPR23LA103Accident · Minor injuriesClass 4 · LimitedFinal reportPiper PA-12 · Porterville, UTThe pilot’s failure to maintain clearance from snow covered terrain while maneuvering at low altitude.Feb 4, 2023 · N3969B · Substantial damageNTSB WPR23LA053Accident · No injuriesClass 4 · LimitedFinal reportAviat A-1C-180 · Morgan, UTThe pilot’s failure to maintain clearance from snow covered terrain while maneuvering at low attitude. Contributing to the accident was the pilot’s loss of visual reference due to snow and flat light conditions.Dec 3, 2022 · N60WY · Substantial damageNTSB WPR22LA261Accident · Minor injuriesClass 4 · LimitedFinal reportAerospatiale SA342J · Escalante, UTThe pilot's failure to control the helicopter’s descent rate during landing, which resulted in collision with terrain.Jul 18, 2022 · N342WF · Substantial damageNTSB WPR22FA227Accident · 2 fatalClass 3 · FieldFinal reportCessna 152 · Mendon, UTThe flight instructor’s failure to recover from a developed spin, which resulted in impact with terrain. Contributing to the accident was the flight instructor’s decision to enter the maneuver below the operator’s altitude limitation.Jun 24, 2022 · N934JH · Substantial damageNTSB WPR22LA157Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Salt Lake City, UTThe student pilot’s failure to maintain lateral control and terrain clearance while hovering, and the flight instructor’s delayed remedial action which resulted in a dynamic rollover.Apr 16, 2022 · N3297Q · Substantial damageNTSB WPR22LA117Accident · Serious injuriesClass 4 · LimitedFinal reportSix Chuter Legend · Toquerville, UTThe pilot’s improper throttle input which resulted in a loss of engine power and subsequent impact with terrain.Mar 2, 2022 · N290TQ · DestroyedNTSB WPR21FA321Accident · 3 fatalClass 3 · FieldFinal reportCessna 182H · Bountiful, UTThe decision of both pilots to fly into a steep canyon, which resulted in the airplane being unable to maintain a sufficient altitude to clear rising terrain. Contributing to the accident was their delayed initial action in responding to the hazard, and their…Aug 16, 2021 · N8477S · DestroyedNTSB WPR21FA243Accident · 1 fatalClass 3 · FieldFinal reportFeraca Edward M Searey LSX · Logan, UTThe pilot’s loss of airplane control while maneuvering at a low altitude, which resulted in a collision with a house.Jun 27, 2021 · N62EF · Substantial damageNTSB WPR21LA202Accident · No injuriesClass 4 · LimitedFinal reportGoodsell Lynn A Classic 4 · Richmond, UTThe pilot’s failure to maintain clearance from powerlines while maneuvering for landing, which resulted in a wire strike and impact with terrain.May 18, 2021 · N549Z · Substantial damageNTSB WPR20LA258Accident · Serious injuriesClass 3 · LimitedFinal reportCessna T210 · Hanna, UTThe pilot’s failure to maintain sufficient airspeed after a partial loss of power for undetermined reasons, which resulted in an exceedance of the airplane’s critical angle of attack and an aerodynamic stall from which the pilot could not recover.Aug 7, 2020 · N761RG · Substantial damageNTSB WPR20LA239Accident · Minor injuriesClass 3 · LimitedFinal reportVans RV7 · Henefer, UTThe total loss of engine power due to the separation of the idler gear shaft bolts as a result of improper installation, which allowed for the idler gear to become disengaged.Jul 26, 2020 · N514BS · Substantial damageNTSB WPR19FA250Accident · 2 fatalClass 3 · FieldFinal reportCessna 210 · Henefer, UTThe pilots’ decision to enter a canyon at low altitude, which resulted in controlled flight into terrain while attempting to exit the canyon.Sep 4, 2019 · N94262 · Substantial damageNTSB WPR19FA183Accident · 2 fatalClass 3 · FieldFinal reportSchempp Hirth Arcus · Ephraim, UTThe pilot's decision to maneuver in close proximity to terrain while attempting to remain in an area of lift, which resulted in a collision with trees.Jul 1, 2019 · N215MM · DestroyedNTSB WPR19FA182Accident · 2 fatalClass 3 · FieldFinal reportCub Crafters CCK-1865 · Moab, UTThe pilots failure to maintain clearance from terrain while maneuvering at a low altitude in mountainous terrain.Jun 30, 2019 · N66DN · Substantial damageNTSB WPR18FA186Accident · 1 fatalClass 3 · FieldFinal reportCessna 320 · Eagle Mountain, UTThe pilot's exceedance of the airplane's critical angle of attack and the airplane experiencing an aerodynamic stall at too low an altitude to recover.Jun 28, 2018 · N320MF · DestroyedNTSB WPR18LA177Accident · Minor injuriesClass 3 · LimitedFinal reportSchempp Hirth Flugzeugbau Arcus M · Richfield, UTAn inflight loss of control and subsequent inflight breakup for reasons that could not be determined based on the available information.Jun 21, 2018 · N16DN · DestroyedNTSB WPR18LA136Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 182F · Boulder, UTA partial loss of engine power for reasons that could not be determined due to the available evidence.Apr 28, 2018 · N3377U · Substantial damageNTSB GAA18CA127Accident · No injuriesData collectionFinal reportHughes 369 · Heber City, UTThe pilot’s failure to maintain clearance from an elk while maneuvering at a low altitude.Feb 12, 2018 · N338HW · Substantial damageNTSB WPR18FA063Accident · 2 fatalField investigationFinal reportCessna 172M · Ogden, UTThe pilot's failure to maintain clearance from the water while flying over a lake with glassy surface conditions. Contributing to the accident was the pilot's use of three impairing medications.Dec 29, 2017 · N4395R · Substantial damageNTSB GAA18CA073Accident · No injuriesData collectionFinal reportBrock Steiner Sport Copter Vortex · Spanish Fork, UTThe pilot’s failure to maintain situational and geographic awareness during the flight, which resulted in him becoming lost and exhausting the gyroplane’s fuel.Dec 8, 2017 · N395SC · Substantial damageNTSB WPR17FA149Accident · 2 fatalField investigationFinal reportAviat A · Herriman, UTThe flight instructor's decision to conduct a low-altitude flight into a box canyon in high density altitude conditions and his failure to maintain airspeed while maneuvering to escape the canyon, which resulted in an exceedance of the airplane's critical…Jul 13, 2017 · N211AM · DestroyedNTSB GAA17CA117Accident · No injuriesData collectionFinal reportAir Tractor AT 802 · Vernon, UTThe pilot’s failure to maintain clearance from mountainous terrain.Jan 17, 2017 · N20361 · Substantial damageNTSB GAA16CA488Accident · No injuriesData collectionFinal reportRobinson Helicopter R44 II · Cedar City, UTThe flight instructor’s delayed remedial action while providing hover instruction in gusting wind conditions, which resulted in dynamic roll-over.Sep 14, 2016 · N46HF · Substantial damageNTSB WPR16LA165Accident · No injuriesLimited investigationFinal reportRobinson Helicopter R44 II · Gunnison, UTA total loss of engine power for reasons that could not be determined based on the available evidence.Aug 12, 2016 · N247DB · Substantial damageNTSB WPR16FA144Accident · 1 fatalField investigationFinal reportDiamond Aircraft Ind DA40 F · Logan, UTThe pilot's exceedance of the airplane's critical angle of attack while maneuvering in turbulence and gusty wind conditions, which resulted in an aerodynamic stall/spin.Jul 18, 2016 · N419FP · DestroyedNTSB GAA16CA358Accident · No injuriesData collectionFinal reportCessna 172 · Bountiful, UTThe pilot's decision to fly into a canyon without sufficient room to reverse course if necessary, which resulted in an emergency landing, loss of directional control, collision with terrain, and a post-crash fire.Jul 1, 2016 · N52071 · Substantial damageNTSB WPR16LA129Accident · No injuriesClass 3 · LimitedFinal reportBurkes BR-1 · Brigham City, UTA loss of engine power as a result of a failure of the primary and backup ignition system.Jun 22, 2016 · N677DB · Substantial damageNTSB WPR16FA036Accident · 2 fatalClass 3 · FieldFinal reportBarnett Allen S RV7 · Hurricane, UTThe pilot’s aerobatic maneuver leading to airspeeds above the airplane’s never exceed speed, which resulted in rudder flutter and an in-flight breakup.Dec 10, 2015 · N307AB · Substantial damageNTSB GAA16CA027Accident · No injuriesData collectionFinal reportCessna A188A · Elberta, UTThe pilot's failure to compensate for wind while maneuvering at a low altitude, resulting in a collision with terrain and a postcrash fire.Oct 24, 2015 · N4401Q · Substantial damageNTSB WPR16FA002Accident · 2 fatalField investigationFinal reportCessna 152 · Cedar City, UTThe failure of the pilots to maintain control of the airplane while maneuvering, which resulted in an aerodynamic stall from which they did not recover.Oct 5, 2015 · N6449M · DestroyedNTSB GAA15CA258Accident · No injuriesData collectionFinal reportAirbus AS350 · Draper, UTThe ground recovery team member's failure to secure a rescue rope during the helicopter loading process in steep terrain, resulting in the rope fouling the helicopter's main rotor system.Sep 9, 2015 · N253HP · Substantial damageNTSB WPR15LA232Accident · Serious injuriesLimited investigationFinal reportSchleicher ASW 20B · Logan, UTThe pilot’s failure to maintain glider control when it encountered a strong downdraft while maneuvering near a ridgeline.Aug 2, 2015 · N20YZ · Substantial damageNTSB GAA15LA131Accident · Serious injuriesLimited investigationFinal reportRobinson Helicopter R22 Beta · Escalante, UTThe pilot’s inadequate preflight planning and his subsequent decision to attempt to climb over rising terrain with the helicopter over maximum gross weight while operating in high-density altitude conditions with a tailwind, which resulted in its inability to…Jul 12, 2015 · N441MM · Substantial damageNTSB WPR15LA185Accident · No injuriesLimited investigationFinal reportCessna 182A · Moab, UTThe pilot’s inadequate preflight fuel planning and inflight fuel management, which resulted in a total loss of engine power due to fuel exhaustion.Jun 14, 2015 · N5143D · Substantial damageNTSB WPR15LA170Accident · Serious injuriesLimited investigationFinal reportDuenas Pulsar III · Hurricane, UTAn elevated oil temperature and subsequent total loss of engine power for reasons that could not be determined based on the available information.May 29, 2015 · N747N · Substantial damageNTSB WPR15CA063Accident · No injuriesData collectionFinal reportEurocopter AS 350 B2 Ecureuil · Bicknell, UTThe pilot's failure to prevent the helicopter from settling with power while maneuvering at a low altitude, which resulted in a loss of control and subsequent hard landing.Dec 16, 2014 · N352SL · Substantial damageNTSB WPR15FA051Accident · 2 fatalField investigationFinal reportRobinson Helicopter R44 · Bountiful, UTThe pilot/mechanic's failure to properly secure the pitch link hardware of one main rotor blade to the rotating swash plate, which resulted in the pitch link separating in flight and a subsequent loss of control.Dec 2, 2014 · N3234U · Substantial damageNTSB WPR14CA347Accident · No injuriesData collectionFinal reportEipper Formance Mxii · Salt Lake City, UTThe pilot's failure to maintain clearance from power lines while maneuvering at low altitude.Aug 16, 2014 · N1624Z · Substantial damageNTSB WPR14FA183Accident · 2 fatalField investigationFinal reportCessna 150 - F · Santa Clara, UTThe flight instructor’s failure to arrest the airplane’s descent and maintain clearance from mountainous terrain while maneuvering at a low altitude.May 7, 2014 · N8236F · Substantial damageNTSB WPR14GA176Accident · Serious injuriesFinal reportHughes OH 6 · Bullfrog, UTA loss of engine power while the helicopter was hovering for reasons that could not be determined because postaccident examination of the engine and rotor drive system revealed no evidence of a mechanical malfunction or failure that would have precluded…Apr 29, 2014 · N37929 · Substantial damage