NTSB investigations, UT
88 cases where the sequence of events included Loss of control in flight.
Cases per year
| 2008 | 6 |
|---|---|
| 2009 | 4 |
| 2010 | 5 |
| 2011 | 8 |
| 2012 | 8 |
| 2013 | 4 |
| 2014 | 4 |
| 2015 | 5 |
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 5 |
| 2019 | 5 |
| 2020 | 5 |
| 2021 | 5 |
| 2022 | 5 |
| 2023 | 6 |
| 2024 | 3 |
| 2025 | 1 |
| 2026 | 2 |
Where
Latest 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\" = 'UT' AND c.\"eventCountry\" = 'USA'
AND c.\"mKey\" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.\"tier2Number\" = '240' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE \"isDefiningEvent\"))
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" = 'UT' AND c."eventCountry" = 'USA' AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '240' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent")) 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 WPR26LA199Accident · Minor injuriesClass 4 · LimitedFinal reportBell 206-L4 · Cedar City, UTThe flight instructor's failure to maintain helicopter control while manipulating the engine governor reference rpm adjustment during hover operations, which resulted in a loss of control and impact with the ground.NTSB WPR26LA094Accident · Minor injuriesClass 3 · LimitedPreliminary reportEnstrom F28C · Leeds, UTOn February 2, 2026, at about 1301 mountain standard time, an Enstrom F-28C helicopter, registration N5692Y, was substantially damaged near Leeds, Utah. The pilot and passenger sustained minor injuries. At the time of the accident, the helicopter was being…NTSB WPR25LA227Accident · Minor injuriesClass 4 · LimitedFinal reportHartline J Bon Hartline Kitfox III · Logan, UTThe pilot’s failure to maintain airplane control during takeoff in variable wind and high density altitude conditions.NTSB 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.NTSB WPR24FA227Accident · 1 fatalClass 3 · FieldFinal reportFantasy Air Sro Allegro 2007 · Eureka, UTThe pilot’s failure to maintain airplane control during initial climb, which resulted in an in-flight upset and impact with terrain.NTSB 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…NTSB WPR24FA010Accident · 1 fatalClass 3 · FieldFinal reportRobert L Thurmond RV8 · Centerville, UTThe pilot’s exceedance of the airplane’s critical angle of attack while attempting to return to the departure airport, which resulted in an aerodynamic stall at an altitude too low for recovery. Contributing to the accident was the failure of the No. 2…NTSB WPR23FA323Accident · 1 fatalClass 3 · FieldFinal reportHensler Howard Cassutt · West Jordan, UTA loss of control during the initial climb for reasons that could not be determined.NTSB WPR23LA194Accident · No injuriesClass 4 · LimitedFinal reportCubcrafters CCX-2300 · Spanish Fork, UTThe pilot's decision to attempt an unfamiliar takeoff technique, his failure to maintain pitch control during takeoff, and his subsequent decision to retract flaps at a low altitude, which resulted in a descent into a building.NTSB WPR23LA099Accident · No injuriesClass 4 · LimitedFinal reportBeech C23 · Rich County, UTThe pilot’s inability to maintain altitude following an encounter with turbulence and adverse wind conditions.NTSB WPR23FA083Accident · 1 fatalClass 3 · FieldFinal reportPiper PA-34-220T · New Harmony, UTThe pilot’s decision to continue visual flight rules flight into instrument meteorological conditions, which resulted in a loss of airplane control due to spatial disorientation.NTSB WPR23FA080Accident · 1 fatalClass 3 · FieldFinal reportEmbraer Executive EMB-505 · Provo, UTThe pilot’s failure to deice the airplane before takeoff in weather conditions conducive to ice accumulation, which resulted in an ice-contaminated wing and subsequent stall during takeoff.NTSB WPR22LA307Accident · No injuriesClass 4 · LimitedFinal reportRans S20 · Bountiful, UTThe pilot’s improper landing flare and subsequent loss of airplane control during a go-around when the airplane stalled and collided with the ground.NTSB WPR22LA267Accident · Minor injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Cedar City, UTThe student pilot’s failure to maintain rotor rpm and airspeed and the flight instructor's inadequate remedial action to regain helicopter control during the straight-in autorotation which resulted in a hard landing.NTSB 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.NTSB 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.NTSB WPR22LA080Accident · Serious injuriesClass 3 · LimitedFinal reportWalter Tachiki Tachiki 750 Cruzer · Spanish Fork, UTA partial loss of engine power due to an obstructed catalytic converter, which most likely resulted from the pilot’s failure to properly repair or replace it after it was likely damaged during a previous incident. Contributing to the accident was the pilot’s…NTSB 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…NTSB WPR21LA320Accident · Serious injuriesClass 3 · LimitedFinal reportRobinson Helicopter R22 Beta · West Jordan, UTThe pilot receiving instruction’s improper application of forward cyclic in a low rotor rpm condition and the instructor’s delayed remediation, which resulted in an impact with terrain.NTSB 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.NTSB WPR21FA211Accident · 2 fatalClass 3 · FieldFinal reportTextron 172S · Eden, UTThe flight instructor’s improper aeronautical decision-making, which led to an encounter with a downdraft at a low altitude in mountainous terrain and resulted in the instructor’s loss of airplane control and an impact with terrain.NTSB WPR21LA176Accident · Minor injuriesClass 4 · LimitedFinal reportVans RV4 · Oljato-Monument Valley, UTThe pilot’s failure to maintain airplane control while compensating for a downdraft during landing, which resulted in the airplane touching down short of the runway on soft terrain and nosing over.NTSB WPR21LA070Accident · 1 fatalClass 3 · LimitedFinal reportSilverLight AR-1 · Heber City, UTThe pilot’s failure to follow the procedures for takeoff in the Pilot Operating Handbook, which resulted in a loss of control and collision with the terrain. Contributing to the accident was the pilot’s failure to receive additional training in the gyroplane.NTSB 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.NTSB WPR20LA238Accident · 5 fatalClass 3 · LimitedFinal reportPiper PA32R · West Jordan, UTThe pilot's failure to maintain the airplane’s speed during takeoff near the airplane’s maximum gross weight in high-density altitude conditions, which resulted in the exceedance of the airplane's critical angle of attack and led to an aerodynamic stall, loss…NTSB WPR20LA203Accident · 4 fatalClass 3 · LimitedFinal reportCessna 172 · Alpine, UTThe pilot’s exceedance of the airplane’s critical angle-of-attack while maneuvering in a canyon, which resulted in a loss of airplane control.NTSB WPR20FA065Accident · 1 fatalClass 3 · FieldFinal reportCessna T310 · Roy, UTThe pilot’s inadequate preflight fuel planning and fuel management, which resulted in a total loss of power to the left engine due to fuel exhaustion. Also causal was the pilot's failure to follow the one-engine inoperative checklist and maintain the…NTSB WPR20TA039Accident · Minor injuriesClass 3Final reportEnstrom F28 · Riverton, UTThe noncertificated pilot’s decision to operate a deregistered helicopter, which resulted in a component failure and subsequent loss of control and hard landing. Contributing to the accident was the lack of recent maintenance on the helicopter.NTSB GAA20CA032Accident · Minor injuriesData collectionFinal reportFlight Design Ctls · Monument Valley, UTThe pilot's failure to maintain lateral control and to attain adequate altitude during takeoff with a quartering tailwind in gusting wind conditions, which resulted in impact with a sandy berm left of the runway.NTSB GAA19CA359Accident · Minor injuriesData collectionFinal reportAutogyro Cavalon · Nephi, UTThe pilot's insufficient rudder input during takeoff, which resulted in a loss of yaw control and a hard landing.NTSB WPR19FA154Accident · 2 fatalClass 2 · FieldFinal reportCirrus SR22 · Grover, UTThe pilot's encounter with moderate to severe icing conditions during cruise flight, which resulted in structural icing and a subsequent loss of control. Contributing to the accident was the pilot’s decision to continue a flight route through known moderate…NTSB WPR19FA148Accident · 2 fatalClass 3 · FieldFinal reportRobinson R44 · Alpine, UTThe noninstrument-rated pilot’s continued visual flight rules flight into instrument meteorological conditions, which resulted in spatial disorientation and subsequent loss of control. Contributing to the accident was hypoxia due to the high altitude at which…NTSB WPR18LA217Accident · 1 fatalLimited investigationFinal reportSmith Hornet · St. George, UTThe pilot's loss of airplane control during takeoff due to an unexpected gust of wind.NTSB WPR18TA212Accident · Minor injuriesFinal reportICP Savannah · Fairfield, UTThe pilot's failure to maintain airplane control after encountering a downdraft on approach to the runway.NTSB 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.NTSB 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.NTSB GAA18CA358Accident · No injuriesData collectionFinal reportDiamond Aircraft Ind DA 20 · Spanish Fork, UTThe pilot receiving instruction’s failure to maintain adequate airspeed and his exceedance of the airplane’s critical angle of attack during takeoff, which resulted in an aerodynamic stall.NTSB GAA17CA517Accident · No injuriesData collectionFinal reportJeff Jardine Kitfox S7 Supersport · Kanab, UTThe pilot's failure to maintain directional control during landing and the airplane’s subsequent failure to attain a climb rate during an attempted go-around in high-density altitude conditions.NTSB WPR17FA166Accident · 4 fatalField investigationFinal reportBeech A36TC · Ogden, UTA loss of control during takeoff for reasons that could not be determined.NTSB GAA17CA262Accident · No injuriesData collectionFinal reportBalony Kubicek Spol Sro BB70Z · Park City, UTThe pilot’s failure to see and avoid power lines during landing.NTSB WPR17FA035Accident · 1 fatalField investigationFinal reportQuest Kodiak 100 · Moab, UTThe pilot's loss of control shortly after takeoff due to spatial disorientation.NTSB 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.NTSB 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.NTSB WPR16FA054Accident · 2 fatalField investigationFinal reportCessna 525 · Cedar Fort, UTThe pilot's loss of control due to spatial disorientation while operating in instrument meteorological conditions, which resulted in an exceedance of the airplane's design stress limitations, and a subsequent in-flight breakup. Contributing to the accident…NTSB 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.NTSB 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.NTSB 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.NTSB 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.NTSB 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…NTSB WPR15CA059Accident · Serious injuriesData collectionFinal reportCessna 182T · Wendover, UTThe pilot's failure to maintain situational awareness during a turn which resulted in a loss of airplane control.