NTSB investigations, WA
107 cases where the sequence of events included Loss of control in flight.
Cases per year
| 2008 | 10 |
|---|---|
| 2009 | 9 |
| 2010 | 6 |
| 2011 | 8 |
| 2012 | 4 |
| 2013 | 6 |
| 2014 | 11 |
| 2015 | 6 |
| 2016 | 2 |
| 2017 | 7 |
| 2018 | 8 |
| 2019 | 6 |
| 2020 | 7 |
| 2021 | 3 |
| 2022 | 4 |
| 2023 | 1 |
| 2024 | 6 |
| 2025 | 2 |
| 2026 | 1 |
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\" = 'WA' 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" = 'WA' 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 WPR26LA112Accident · No injuriesClass 4 · LimitedFinal reportBeech 76 · Snohomish, WAThe flight instructor’s inadequate supervision of a dual student who attempted a go-around using one engine which resulted in a loss of control and impact with the ground.NTSB WPR25FA197Accident · 1 fatalClass 3 · FieldPreliminary reportEvolution Revolt · Mount Vernon, WAOn July 2, 2025, about 1313 Pacific daylight time, an Evolution Aircraft REVOLT weight shift control aircraft (commonly called a trike), N774RS, was substantially damaged when it was involved in an accident near Mount Vernon, Washington. The pilot was fatally…NTSB WPR25LA199Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R66 · Tukwila, WAThe pilot’s failure to maintain yaw control during a takeoff to a hover in a gusting crosswind, which resulted in a loss of directional control and a subsequent hard landing.NTSB WPR24FA226Accident · 2 fatalClass 3 · FieldFinal reportChampion 7GCBC · Eatonville, WAThe pilot’s exceedance of the airplane’s critical angle of attack while maneuvering to avoid trees, which resulted in an aerodynamic stall.NTSB WPR24FA200Accident · 2 fatalClass 3 · FieldFinal reportRobinson Helicopter R44 II · Bluestem, WAThe pilot’s failure to manage main rotor rpm during an autorotation, which resulted in a loss of helicopter control. Contributing to the accident was a loss of power for reasons that could not be determined.NTSB WPR24LA188Accident · Serious injuriesClass 3 · LimitedFinal reportDavid Fisher Murphy Moose · Ocean Shores, WAThe pilot’s hard, bounced landing, subsequent failure to maintain adequate airspeed, and his exceedance of the airplane’s critical angle of attack during a go-around, which resulted in an aerodynamic stall and impact with terrain.NTSB WPR24FA182Accident · 1 fatalClass 3 · FieldFinal reportVans RV-12 · Auburn, WAThe pilot’s improper installation of the control stick pushrod assemblies, which resulted in separation of the left pushrod and a total loss of roll control during flight. Contributing to the accident was the failure to detect the installation error during…NTSB WPR24FA156Accident · 1 fatalClass 3 · FieldFinal reportExtra Flugzeugbau EA 300/L · Bandera, WAThe pilot’s decision to continue flight into icing conditions and inclement weather, which likely led to spatial disorientation when he attempted to divert from the planned course to the destination airport.NTSB WPR24LA139Accident · Minor injuriesClass 3 · LimitedFinal reportRobinson Helicopter R22 Beta · Olympia, WAThe flight instructor’s delayed action to arrest the descending, left pedal turn while maneuvering for a low-altitude hover with the helicopter near the maximum gross weight limitation, which resulted in an impact with the ground and a dynamic rollover.NTSB WPR23LA086Accident · Serious injuriesClass 3 · LimitedFinal reportQuad City Challenger · Kent, WAThe pilot’s inflight loss of airplane control. Contributing to the accident was the pilot’s decision to fly the airplane without receiving training in its operation and flight characteristics.NTSB WPR23LA019Accident · No injuriesClass 4 · LimitedFinal reportProgressive Aerodyne SeaRey · Lake Isabel, WAThe pilot’s loss of airplane control after an encounter with windshear during takeoff which, resulted in a hard water landing.NTSB WPR22LA339Accident · Minor injuriesClass 3 · LimitedFinal reportBell 205A-1 · Cougar, WAThe helicopter’s encounter with downdrafts during a low-altitude hovering maneuver while dipping for water.NTSB DCA22MA193Accident · 10 fatalClass 1 · MajorFinal reportDehavilland DHC-3 · Freeland, WAThe in-flight unthreading of the clamp nut from the horizontal stabilizer trim actuator barrel due to a missing lock ring, which resulted in the horizontal stabilizer moving to an extreme trailing-edge-down position rendering the airplane’s pitch…NTSB WPR22LA220Accident · Minor injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Auburn, WAThe student pilot’s loss of helicopter control and the flight instructor’s delayed remedial action while providing hover training which resulted in a dynamic rollover.NTSB WPR22FA023Accident · 1 fatalClass 3 · FieldFinal reportMooney M20M · Snoqualmie, WAThe pilot’s decision to fly the airplane into known icing conditions, which resulted in a loss of airplane control and collision with terrain.NTSB WPR21LA296Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-34-200T · Chelan, WAThe pilot’s unstable approach to land in turbulent conditions, which resulted in a hard landing short of the runway and subsequent loss of directional control and collision with terrain.NTSB WPR21FA170Accident · 1 fatalClass 3 · FieldFinal reportConsolidated Vultee BT-13A · Camas, WAThe pilot’s exceedance of the airplane’s critical angle of attack during an aborted landing, resulting in an aerodynamic stall and impact with terrain.NTSB WPR21FA057Accident · 1 fatalClass 3 · FieldFinal reportBlevins Kamron Odyssey · Arlington, WAThe pilot’s loss of airplane control for reasons that could be determined based on available evidence.NTSB WPR21FA045Accident · 2 fatalClass 3 · FieldFinal reportCessna 177 · Langley, WAThe flight instructor’s failure to maintain airspeed, which resulted in an aerodynamic stall and subsequent loss of control while attempting to conduct an emergency landing. Contributing to the accident was a total loss of engine power as a result of…NTSB WPR20LA229Accident · No injuriesClass 3 · LimitedFinal reportCostruzioni Aeronautiche Tecna P2004 Bravo · College Place, WAThe pilot’s premature retraction of the flaps which resulted in the airplane settling back onto the runway, contacting it hard, and veering off the runway.NTSB WPR20CA188Accident · Serious injuriesClass 4 · Data collectionFinal reportCessna 177RG · Lynden, WAThe pilot's failure to maintain control of the airplane during the landing approach, which resulted in the airplane exceeding its critical angle of attack, an aerodynamic stall, hard landing, and a landing gear collapse.NTSB WPR20LA122Accident · No injuriesClass 3 · LimitedFinal reportBuckman Bucks Special · Prescott, WADiminished engine performance due to carburetor icing conditions and multiple mechanical anomalies that did not allow for the airplane to attain adequate airspeed during takeoff from a planted field and failure to maintain clearance from obstructions.…NTSB WPR20LA118Accident · 1 fatalClass 3 · LimitedFinal reportKolb Firestar 2 · La Center, WAA loss of control for reasons that could not be determined based on the available information.NTSB WPR20CA113Accident · No injuriesData collectionFinal reportJust JA30 Superstol · Puyallup, WAThe pilot's failure to maintain airplane control during landing in gusting crosswind conditions, which resulted in the wing striking the ground.NTSB WPR19LA249Accident · No injuriesClass 3 · LimitedFinal reportHughes 369 · Asotin, WAA loss of control for undetermined reasons.NTSB WPR19LA221Accident · Minor injuriesClass 3 · LimitedFinal reportAutoGyro Cavalon · Shelton, WAThe pilot’s failure to initiate the takeoff roll with inadequate rotor speed, and his failure to follow the published takeoff procedures, which resulted in a loss of control and impact with the ground.NTSB WPR19FA219Accident · 1 fatalClass 3 · FieldFinal reportCapes Murphy Moose · Marysville, WAThe pilot’s failure to maintain terrain clearance while turning to final approach to avoid a collision with another airplane flying a straight in approach to the same runway. Contributing to the accident was the pilots of both airplanes failure to adequately…NTSB WPR19FA124Accident · 2 fatalClass 3 · FieldFinal reportVans RV 6 · Ridgefield, WAThe pilots' inadvertent exceedance of the airplane's critical angle of attack following an inflight collision with a bird.NTSB WPR19LA066Accident · 1 fatalClass 2 · LimitedFinal reportPiper PA23 · Ellensburg, WAThe instrument rated pilot’s loss of control due to spatial disorientation.NTSB WPR19LA062Accident · 1 fatalClass 2 · LimitedFinal reportVans RV8 · Langley, WAThe pilot's exceedance of the airplane's critical angle of attack while maneuvering in the airport traffic pattern, which resulted in an aerodynamic stall and a loss of control at an altitude too low for recovery.NTSB WPR18LA214Accident · Minor injuriesLimited investigationFinal reportBell 206 · Basin City, WAThe pilot's improper execution of a slowing and turning maneuver, which resulted in a loss of control at an altitude that was too low for recovery.NTSB WPR18CA213Accident · No injuriesData collectionFinal reportCessna E162 · Burlington, WAThe student pilot’s failure to maintain pitch control during an aborted takeoff.NTSB WPR18FA195Accident · 3 fatalClass 3 · FieldFinal reportCessna 172 · Deer Park, WAAn in-flight breakup as a result of the airplane exceeding the structural strength of the airplane during a rapid descent that the flight instructor was unable to recover from following a collision with a large bird.NTSB WPR18LA190Accident · Minor injuriesLimited investigationFinal reportAutogyro Calidus · Tacoma, WAThe pilot's failure to properly configure the gyrocopter for takeoff, which resulted in it developing high speed and led to a subsequent loss of control.NTSB WPR18LA147Accident · Serious injuriesClass 3 · LimitedFinal reportBell UH 1H · Olympia, WAA loss of tail rotor thrust due to the improper installation of the tail rotor assembly by maintenance personnel resulted in the pilot’s inability to maintain control of the helicopter as he began transition into forward flight from a hover, which resulted in…NTSB GAA18CA237Accident · Minor injuriesData collectionFinal reportStinson 108 · Eliza Island, WAThe pilot’s exceedance of the airplane’s critical angle of attack during takeoff, which resulted in an aerodynamic stall.NTSB WPR18FA104Accident · 1 fatalField investigationFinal reportPiper PA 18-150 · La Center, WAThe pilot's failure to maintain clearance from trees while maneuvering at a low altitude.NTSB WPR18FA074Accident · 1 fatalField investigationFinal reportHughes 369D · Pomeroy, WAA loss of control following the gunner's failure to ensure that the net maintained clearance from the tail rotor.NTSB WPR18LA047Accident · No injuriesClass 3 · LimitedFinal reportCessna 172D · Auburn, WAThe pilot's loss of airplane control for reasons that could not be determined based on the available information.NTSB GAA17CA494Accident · No injuriesData collectionFinal reportAerotechnik L 13 SEH Vivat · Moses Lake, WAThe pilot's improper takeoff configuration due to his failure to follow the pretakeoff checklist, which resulted in a loss of lift and collision with obstacles.NTSB WPR17FA139Accident · 2 fatalField investigationFinal reportNorth Wing Uum Sport X2 912 · Chelan, WAThe flight instructor's failure to maintain control of the aircraft while demonstrating a spiral dive, which resulted in a loss of control. Contributing to the accident was the instructor's decision to demonstrate a spiral dive maneuver at an altitude that…NTSB WPR17FA107Accident · 1 fatalField investigationFinal reportSchleicher ASW 28 18E · Ephrata, WAThe pilot's failure to maintain glider control while attempting to conduct an off-airport landing, which resulted in an aerodynamic stall and impact with terrain.NTSB GAA17CA240Accident · Minor injuriesData collectionFinal reportParlette Robert L Glastar · Wenatchee, WAThe pilot’s improper landing flare and subsequent failure to adequately compensate for gusting wind conditions during a go-around.NTSB GAA17CA216Accident · No injuriesData collectionFinal reportCessna 172 · Twisp, WAThe pilot’s failure to maintain crosswind correction during landing, which resulted in the airplane cartwheeling.NTSB GAA17CA158Accident · No injuriesData collectionFinal reportSocata TBM700 · Bellingham, WAThe pilot’s failure to properly deice the airplane before takeoff, which resulted in an aerodynamic stall during the initial climb.NTSB WPR17FA044Accident · 4 fatalField investigationFinal reportCessna 182 · Dabob, WAThe non-instrument-rated pilot's decision to continue a night visual flight rules into instrument flight rules conditions, which resulted in spatial disorientation and a loss of airplane control. Contributing to the accident was the pilot's failure to obtain…NTSB GAA16CA405Accident · Minor injuriesData collectionFinal reportBell 206 · Outlook, WAThe pilot and ground crew's failure to visually inspect the helicopter's skids before takeoff, which resulted in a water hose becoming entangled on the right skid, a loss of control, an impact with terrain, and a post-crash fire.NTSB WPR16FA001Accident · 1 fatalField investigationFinal reportJohnson Coot · Deer Park, WAThe pilot's failure to maintain sufficient airspeed and his exceedance of the airplane's critical angle of attack, which resulted in an aerodynamic stall and subsequent spin. Contributing to the accident was the pilot's diverted attention due to the rough…NTSB WPR15FA241Accident · 2 fatalField investigationFinal reportCessna T182T · Oroville, WAThe pilot’s failure to maintain terrain clearance while maneuvering. Contributing to the accident was the pilots’ selection, for undetermined reasons, of a route different than the most commonly used route.NTSB GAA15CA175Accident · Minor injuriesData collectionFinal reportCessna 150J · Renton, WAThe pilot's failure to maintain adequate airspeed, which resulted in the airplane exceeding its critical angle of attack and a subsequent aerodynamic stall/spin.