# NTSB investigations, WA: Not determined, general NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports. Page 1 of 2 · 59 cases ## Latest cases - [NTSB WPR23FA143](https://openairdocs.org/ntsb/WPR23FA143.md): Cessna T182T · Queets, WA · Accident · 1 fatal · Class 3 · Field · Final report · Mar 7, 2023 · N24289 · Destroyed > The pilot’s failure to maintain clearance from terrain for undetermined reasons. - [NTSB WPR21LA318](https://openairdocs.org/ntsb/WPR21LA318.md): North American T-28B · Puyallup, WA · Accident · No injuries · Class 3 · Limited · Final report · Aug 12, 2021 · N392W · Substantial damage > A nose wheel shimmy during the landing roll for reasons that could not be determined from the available evidence, which led to a loss of directional control. - [NTSB WPR21LA303](https://openairdocs.org/ntsb/WPR21LA303.md): Cessna 172S · Yelm, WA · Accident · No injuries · Class 3 · Limited · Final report · Jun 11, 2021 · N513WF · Substantial damage > A total loss of engine power for reasons that could not be determined based on the available evidence. - [NTSB WPR21LA213](https://openairdocs.org/ntsb/WPR21LA213.md): Piper PA-22-150 · Cashmere, WA · Accident · No injuries · Class 3 · Limited · Final report · May 31, 2021 · N7159B · Substantial damage > A total loss of engine power shortly after takeoff for reasons that could not be determined based on the available information. - [NTSB WPR21LA156](https://openairdocs.org/ntsb/WPR21LA156.md): Cessna 182H · Blakely Island, WA · Accident · No injuries · Class 3 · Limited · Final report · Apr 11, 2021 · N2030X · Substantial damage > A total loss of engine power during climb for reasons that could not be determined which resulted in a forced water landing. - [NTSB WPR21LA140](https://openairdocs.org/ntsb/WPR21LA140.md): Cessna 172S · Everett, WA · Accident · Minor injuries · Class 3 · Limited · Final report · Mar 23, 2021 · N2164Z · Substantial damage > A total loss of engine power during climb, for reasons that could not be determined based on available evidence. - [NTSB WPR20LA279](https://openairdocs.org/ntsb/WPR20LA279.md): Cessna 150 · Quillayute, WA · Accident · Fatal · Class 4 · Limited · Final report · Aug 19, 2020 · N11513 · Substantial damage > The airplane’s descent into trees and subsequent impact with terrain for undetermined reasons. - [NTSB WPR20LA118](https://openairdocs.org/ntsb/WPR20LA118.md): Kolb Firestar 2 · La Center, WA · Accident · 1 fatal · Class 3 · Limited · Final report · Apr 6, 2020 · N90KL · Substantial damage > A loss of control for reasons that could not be determined based on the available information. - [NTSB WPR20LA028](https://openairdocs.org/ntsb/WPR20LA028.md): Cessna 182 · Metaline, WA · Accident · 1 fatal · Class 3 · Limited · Final report · Nov 11, 2019 · N8749T · Destroyed > Impact with a lake for reasons that could not be determined. - [NTSB WPR20LA014](https://openairdocs.org/ntsb/WPR20LA014.md): Vans RV 6 · Spanaway, WA · Accident · Serious injuries · Class 3 · Limited · Final report · Oct 23, 2019 · N615RJ · Substantial damage > A total loss of engine power during the initial climb for reasons that could not be determined. - [NTSB WPR19LA249](https://openairdocs.org/ntsb/WPR19LA249.md): Hughes 369 · Asotin, WA · Accident · No injuries · Class 3 · Limited · Final report · Sep 1, 2019 · N54528 · Substantial damage > A loss of control for undetermined reasons. - [NTSB WPR19LA202](https://openairdocs.org/ntsb/WPR19LA202.md): Cessna 172 · Port Townsend, WA · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 21, 2019 · N3863L · Substantial damage > The loss of engine power for reasons that could not be determined based on available information. - [NTSB WPR19LA200](https://openairdocs.org/ntsb/WPR19LA200.md): Beech 33 · Battleground, WA · Accident · No injuries · Class 3 · Limited · Final report · Jul 20, 2019 · N873BC · Substantial damage > A failure of the throttle control assembly for reasons that could not be determined based on available evidence, which resulted in a runway overrun and impact with an obstacle. - [NTSB WPR19LA168](https://openairdocs.org/ntsb/WPR19LA168.md): Sikorsky UH19 · Brewster, WA · Accident · Minor injuries · Class 3 · Limited · Final report · May 29, 2019 · N955TC · Substantial damage > A reported mechanical malfunction and a hard landing for reasons that could not be determined based on available evidence. - [NTSB WPR19LA105](https://openairdocs.org/ntsb/WPR19LA105.md): Piper PA18 · Copalis, WA · Accident · No injuries · Class 3 · Limited · Final report · Mar 30, 2019 · N215T · Destroyed > An off-airport landing under circumstances that could not be determined based on the available information, which resulted in substantial damage to the airplane. - [NTSB WPR18FA220](https://openairdocs.org/ntsb/WPR18FA220.md): De Havilland DHC8 · Steilacoom, WA · Accident · 1 fatal · Field investigation · Final report · Aug 11, 2018 · N449QX · Destroyed > The NTSB did not determine the probable cause of this event and does not plan to issue an investigative report or open a public docket. The investigation of this event is being conducted under the jurisdiction of the Federal Bureau of Investigation. - [NTSB WPR18LA204](https://openairdocs.org/ntsb/WPR18LA204.md): Microlites Ptyltd Dragonfly B · Buckley, WA · Accident · Serious injuries · Class 3 · Limited · Final report · Jul 19, 2018 · N7008Z · Substantial damage > A total loss of engine power for reasons that could not be determined based on the available information. - [NTSB WPR18LA047](https://openairdocs.org/ntsb/WPR18LA047.md): Cessna 172D · Auburn, WA · Accident · No injuries · Class 3 · Limited · Final report · Dec 7, 2017 · N2351U · Substantial damage > The pilot's loss of airplane control for reasons that could not be determined based on the available information. - [NTSB WPR18LA020](https://openairdocs.org/ntsb/WPR18LA020.md): Cessna 140 · Port Townsend, WA · Accident · Minor injuries · Class 3 · Limited · Final report · Oct 30, 2017 · N72339 · Substantial damage > A total loss of engine power for undetermined reasons. - [NTSB GAA18CA013](https://openairdocs.org/ntsb/GAA18CA013.md): Cessna 172RG · Auburn, WA · Accident · No injuries · Data collection · Final report · Oct 15, 2017 · N5159U · Substantial damage > The failure of the right main landing gear for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation. - [NTSB WPR17LA194](https://openairdocs.org/ntsb/WPR17LA194.md): Paul Gaywood E CH 601 HD · Goldendale, WA · Accident · No injuries · Class 3 · Limited · Final report · Aug 26, 2017 · N9066F · Substantial damage > A total loss of engine power for reasons that could not be determined based on the available information. - [NTSB WPR17LA153](https://openairdocs.org/ntsb/WPR17LA153.md): Clark James T Vans RV8 · Spokane, WA · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 14, 2017 · N559JC · Substantial damage > An inflight engine fire for reasons that could not be determined based on the available information, which melted the air filter element and obstructed the engine's air intakes, resulting in a total loss of engine power. - [NTSB WPR17LA058](https://openairdocs.org/ntsb/WPR17LA058.md): Beech E17L · Discovery Bay, WA · Accident · No injuries · Limited investigation · Final report · Jan 24, 2017 · N41663 · Substantial damage > A loss of engine power for reasons that could not be determined based on the available information. - [NTSB WPR16LA045](https://openairdocs.org/ntsb/WPR16LA045.md): Piper PA18 · Newman Lake, WA · Accident · No injuries · Limited investigation · Final report · Jan 1, 2016 · N2684A · Substantial damage > A partial loss of engine power for reasons that could not be determined because postaccident examination of the engine did not reveal any anomalies that would have precluded normal operation. - [NTSB WPR16LA011](https://openairdocs.org/ntsb/WPR16LA011.md): Christopher Tom Kitfox 5 · Battle Ground, WA · Accident · No injuries · Limited investigation · Final report · Oct 14, 2015 · N533RC · Substantial damage > The total loss of engine power for reasons that could not be determined because postaccident examination of the engine revealed no preimpact mechanical malfunctions or failures that would have precluded normal operation. - [NTSB WPR16LA003](https://openairdocs.org/ntsb/WPR16LA003.md): Cessna TU206G · Fall City, WA · Accident · Serious injuries · Limited investigation · Final report · Oct 3, 2015 · N206HL · Substantial damage > The airplane’s collision with the ground short of the runway for reasons that could not be determined based on the available evidence. - [NTSB WPR15LA235](https://openairdocs.org/ntsb/WPR15LA235.md): Cleveland Allan B Nieuport 11# · Bellingham, WA · Accident · Minor injuries · Limited investigation · Final report · Aug 7, 2015 · N917AB · Substantial damage > A partial loss of engine power for reasons that could not be determined because postaccident examination revealed no mechanical malfunctions or anomalies that would have precluded normal operation. - [NTSB WPR15LA219](https://openairdocs.org/ntsb/WPR15LA219.md): Garlick UH1H · Walla Walla, WA · Accident · Minor injuries · Limited investigation · Final report · Jul 21, 2015 · N121PT · Destroyed > The helicopter’s reduction in aerodynamic lift while operating in variable wind conditions for reasons that could not be determined because postaccident examination did not reveal any evidence of preimpact mechanical malfunctions or failures that would have… - [NTSB WPR15LA092](https://openairdocs.org/ntsb/WPR15LA092.md): Alexander RV-7 · Seabeck, WA · Accident · 1 fatal · Limited investigation · Final report · Jan 26, 2015 · N747BA · Destroyed > A loss of airplane control for reasons that could not be determined because the airplane impacted water, and the majority of the wreckage was not recovered. - [NTSB WPR14LA307](https://openairdocs.org/ntsb/WPR14LA307.md): Piper PA 46 350P · Auburn, WA · Accident · No injuries · Limited investigation · Final report · Jul 22, 2014 · N60PB · Substantial damage > A collapse of the nose landing gear for reasons that could not be determined based on the available information. - [NTSB WPR14LA298](https://openairdocs.org/ntsb/WPR14LA298.md): Piper PA 30 · Othello, WA · Accident · No injuries · Limited investigation · Final report · Jul 17, 2014 · N7981Y · Substantial damage > The partial loss of engine power for reasons that could not be determined based on the available information. - [NTSB WPR14FA226](https://openairdocs.org/ntsb/WPR14FA226.md): North American AT 6C · Buckley, WA · Accident · 2 fatal · Field investigation · Final report · Jun 4, 2014 · N13372 · Substantial damage > The loss of engine power during takeoff initial climb for reasons that could not be determined during a postaccident examination of the airplane. - [NTSB WPR14LA206](https://openairdocs.org/ntsb/WPR14LA206.md): Williams Helicopter UH 1H · Waitsburg, WA · Accident · Minor injuries · Limited investigation · Final report · May 23, 2014 · N260TA · Substantial damage > An extreme vibration immediately after entering forward flight for reasons that could not be determined because postaccident examination of the helicopter did not reveal any anomalies that would have precluded normal operation. Contributing to the accident… - [NTSB WPR14FA137](https://openairdocs.org/ntsb/WPR14FA137.md): Eurocopter AS 350 B2 · Seattle, WA · Accident · 2 fatal · Field investigation · Final report · Mar 18, 2014 · N250FB · Destroyed > The loss of helicopter control due to a loss of hydraulic boost to the tail rotor pedal controls at takeoff, followed by a loss of hydraulic boost to the main rotor controls after takeoff. The reason for the loss of hydraulic boost to the main and tail rotor… - [NTSB WPR14CA004](https://openairdocs.org/ntsb/WPR14CA004.md): Venables Zenith CH701 · Snohomish, WA · Accident · Minor injuries · Data collection · Final report · Oct 3, 2013 · N143TZ · Substantial damage > A jammed rudder control while maneuvering in the pattern for reasons that could not be determined. No follow-up examination was conducted due to a lapse in agency funding and subsequent government shutdown. - [NTSB WPR12LA409](https://openairdocs.org/ntsb/WPR12LA409.md): Great Lakes 2T-1A-2 · Monroe, WA · Accident · No injuries · Limited investigation · Final report · Sep 8, 2012 · N3702F · Substantial damage > A loss of engine power during cruise flight for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation. - [NTSB WPR12LA383](https://openairdocs.org/ntsb/WPR12LA383.md): Cessna 177RG · Olympia, WA · Accident · No injuries · Limited investigation · Final report · Aug 31, 2012 · N300ZX · Substantial damage > A loss of directional control during landing for reasons that could not be determined because postaccident examination of the nose gear steering mechanism did not reveal any anomalies that would have precluded normal operation. - [NTSB WPR12LA382](https://openairdocs.org/ntsb/WPR12LA382.md): Mooney M20J · Chelan, WA · Accident · Minor injuries · Limited investigation · Final report · Aug 31, 2012 · N132PC · Substantial damage > A loss of engine power during climb for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation. - [NTSB WPR12FAMS1](https://openairdocs.org/ntsb/WPR12FAMS1.md): Jeffko Glasair · Tonasket, WA · Accident · 1 fatal · Missing aircraft · Final report · Jul 23, 2012 · N743CA · Substantial damage > The cause of the accident is undetermined as the airplane has not been located and remains missing. - [NTSB WPR12LA318](https://openairdocs.org/ntsb/WPR12LA318.md): Republic RC-3 · Snohomish, WA · Accident · Serious injuries · Limited investigation · Final report · Jul 21, 2012 · N87521 · Substantial damage > 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. - [NTSB WPR12LA292](https://openairdocs.org/ntsb/WPR12LA292.md): Sikorsky S-58B · Brewster, WA · Accident · No injuries · Limited investigation · Final report · Jun 24, 2012 · N9043N · Substantial damage > An in-flight fire during hover for reasons that could not be determined due to the extent of fire damage that subsequently consumed the structure. - [NTSB WPR12LA099](https://openairdocs.org/ntsb/WPR12LA099.md): Cessna 172M · Cusick, WA · Accident · No injuries · Limited investigation · Final report · Feb 9, 2012 · N5100R · Substantial damage > A total loss of engine power during cruise flight for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation. - [NTSB WPR12LA064](https://openairdocs.org/ntsb/WPR12LA064.md): Piper PA-22 · Friday Harbor, WA · Accident · No injuries · Limited investigation · Final report · Dec 13, 2011 · N1810P · Substantial damage > A total loss of engine power during initial climb 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. - [NTSB WPR12FA058](https://openairdocs.org/ntsb/WPR12FA058.md): Piper PA-28R-200 · Coupeville, WA · Accident · 1 fatal · Field investigation · Final report · Dec 8, 2011 · N2611R · Substantial damage > The total loss of engine power for reasons that could not be determined because postaccident examination of the airframe and engine did not reveal evidence of preaccident mechanical malfunctions or failures that would have precluded normal operation. - [NTSB WPR11LA291](https://openairdocs.org/ntsb/WPR11LA291.md): Richard Challenger II · Moses Lake, WA · Accident · Serious injuries · Limited investigation · Final report · Jun 27, 2011 · N9103L · Substantial damage > A loss of engine power during the initial climb for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation. - [NTSB WPR11LA209](https://openairdocs.org/ntsb/WPR11LA209.md): Cessna 182B · Colville, WA · Accident · No injuries · Limited investigation · Final report · Apr 23, 2011 · N8435T · Substantial damage > The partial loss of engine power during takeoff for reasons that could not be determined because postaccident examination revealed no mechanical malfunctions or failures that would have precluded normal operation. - [NTSB WPR11LA095](https://openairdocs.org/ntsb/WPR11LA095.md): Piper PA-22-150 · Lopez, WA · Accident · No injuries · Limited investigation · Final report · Jan 9, 2011 · N5850D · Substantial damage > A loss of engine power during initial climb for undetermined reasons. - [NTSB WPR10LA336](https://openairdocs.org/ntsb/WPR10LA336.md): Johnson Helicycle · Arlington, WA · Accident · Minor injuries · Limited investigation · Final report · Jul 8, 2010 · N62AJ · Substantial damage > An undetermined airframe vibration which led to precautionary autorotation and hard landing. - [NTSB WPR10LA235](https://openairdocs.org/ntsb/WPR10LA235.md): Beech 35 · South Bend, WA · Accident · No injuries · Limited investigation · Final report · May 2, 2010 · N3174V · Substantial damage > A loss of engine power during takeoff for undetermined reasons, which resulted in a runway overrun. - [NTSB WPR10LA196](https://openairdocs.org/ntsb/WPR10LA196.md): Cessna P210N · Leavenworth, WA · Accident · No injuries · Limited investigation · Final report · Apr 4, 2010 · N3599P · Substantial damage > The failure of the number two cylinder exhaust and intake valves for undetermined reasons, which resulted in a loss of engine power. Next page: https://openairdocs.org/ntsb-findings/05000000/cases.md?state=WA&page=2 ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql 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 f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f."findingCode", '05000000')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb-findings/05000000/cases?state=WA --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.