NTSB investigations, AK
229 cases where the sequence of events included Loss of control in flight.
Cases per year
| 2008 | 19 |
|---|---|
| 2009 | 19 |
| 2010 | 19 |
| 2011 | 17 |
| 2012 | 12 |
| 2013 | 14 |
| 2014 | 12 |
| 2015 | 13 |
| 2016 | 11 |
| 2017 | 11 |
| 2018 | 8 |
| 2019 | 14 |
| 2020 | 9 |
| 2021 | 11 |
| 2022 | 9 |
| 2023 | 6 |
| 2024 | 12 |
| 2025 | 12 |
| 2026 | 1 |
Where
Open the mapLatest 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\" = 'AK' 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" = 'AK' 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 ANC26LA042Accident · No injuriesClass 4 · LimitedInvestigation openPiper PA-14 · Nenana, AKNTSB ANC25LA118Accident · No injuriesClass 4 · LimitedFinal reportToci Gabe C G Supa · Palmer, AKThe pilot’s failure to maintain airplane control during the go-around.NTSB ANC25LA109Accident · Minor injuriesClass 4 · LimitedFinal reportPiper PA-12 · Kotlik, AKThe pilot’s failure to maintain airplane control during a go-around in variable wind conditions.NTSB ANC25LA103Accident · Serious injuriesClass 4 · LimitedFinal reportPiper PA-11 · Lake Louise, AKThe pilot’s encounter with gusting crosswind conditions during takeoff, which resulted in a loss of control and subsequent impact with terrain.NTSB ANC25LA100Accident · No injuriesClass 4 · LimitedFinal reportChampion 7GCBC · Sutton, AKThe airplane’s encounter with a downdraft while maneuvering at low altitude, which resulted in a forced landing and collision with terrain.NTSB ANC25FA079Accident · 1 fatalClass 3 · FieldPreliminary reportPiper J3C-65 · Dillingham, AKOn July 25, 2025, about 0916 Alaska daylight time, a Piper J3C-65 airplane, N5050R, was substantially damaged when it was involved in an accident near Dillingham, Alaska. The pilot was fatally injured. The airplane was operated as a Title 14 Code of Federal…NTSB ANC25LA065Accident · Serious injuriesClass 3 · LimitedPreliminary reportCessna 180J · King Salmon, AKOn July 5, 2025, about 1430 Alaska daylight time, a Cessna 180J airplane, N52009, was substantially damaged when it was involved in an accident near King Salmon, Alaska. The pilot and two passengers were seriously injured and one passenger sustained minor…NTSB ANC25LA067Accident · No injuriesClass 4 · LimitedFinal reportRockwell International 690B · Fairbanks, AKThe pilot’s failure to maintain control during takeoff resulting in a gear-up landing on the runway. Contributing to the accident was the pilot’s momentary distraction from within the airplane.NTSB ANC25LA060Accident · No injuriesClass 3 · LimitedPreliminary reportPiper PA-22-150 · Chinitna Bay, AKOn June 30, 2025, about 1630 Alaska daylight time, a Piper PA 22-150 airplane, N3609Z, was substantially damaged when it was involved in an accident near Chinitna Bay, Alaska. The pilot was not injured. The airplane was operated as a Title 14 Code of Federal…NTSB ANC25LA066Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-18-135 · Chenega, AKThe pilot’s failure to maintain directional control during landing in gusting and variable wind conditions.NTSB ANC25LA058Accident · No injuriesClass 4 · LimitedFinal reportStinson 108-8 · Alexander Creek, AKThe pilot’s failure to maintain airplane control during final approach. Contributing to the accident was the airplane’s encounter with a downdraft that led to a rapid loss of altitude.NTSB ANC25LA024Accident · Minor injuriesClass 4 · LimitedFinal reportPiper PA-18-150 · Palmer, AKThe pilot's failure to maintain an appropriate airspeed during the landing approach, which resulted in exceedance of the critical angle of attack and an aerodynamic stall, during gusting wind conditions.NTSB ANC25MA018Accident · 10 fatalClass 1 · MajorFinal reportTextron 208B · Nome, AKThe National Transportation Safety Board determines that the probable cause of this accident was the pilot’s inadequate airspeed management due to workload and degraded situation awareness and his improper inputs leading up to and during the aerodynamic…NTSB ANC25LA008Accident · Serious injuriesClass 3 · LimitedFinal reportCub Crafters CC18-180 · Anchorage, AKThe incorrect installation of the rear flight control stick, resulting in the pilot’s inability to control the pitch attitude, coupled with the pilot’s inadequate control system check before departure, all which resulted in an aerodynamic stall during takeoff.NTSB ANC24FA102Accident · 1 fatalClass 3 · FieldFinal reportCessna 206 · Chalkyitsik, AKA loss of engine power due to water-contaminated fuel as a result of the pilot’s inadequate preflight inspection. Contributing to the accident was the operator’s failure to ensure replacement filters were available for use during refueling operations.NTSB ANC24LA103Accident · No injuriesClass 4 · LimitedFinal reportCessna 170 · McKinley Village, AKThe pilot’s late decision to go-around, failure to maintain proper airspeed, and his exceedance of the airplane’s critical angle of attack which resulted in an aerodynamic stall at too low of an altitude to recover.NTSB ANC24FA092Accident · 1 fatalClass 3 · FieldFinal reportJon Bergstedt JP Flyer · Wasilla, AKThe installation of an improperly sized fuel line that did not allow for adequate fuel flow to the engine, resulting in a partial loss of engine power and collision with trees.NTSB ANC24FA089Accident · 1 fatalClass 3 · FieldFinal reportBell 206B · King Salmon, AKThe pilot’s decision to initiate the visual flight into instrument meteorological conditions, which resulted in his spatial disorientation, failure to maintain helicopter control and subsequent impact with water.NTSB ANC24LA081Accident · No injuriesClass 4 · LimitedFinal reportCessna 182B · King Salmon, AKThe pilot’s failure to maintain control during takeoff, which resulted in an aerodynamic stall and subsequent impact with terrain.NTSB ANC24LA079Accident · Minor injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Palmer, AKThe pilot's failure to follow the operator’s procedure manual and attempted to land at a remote landing zone in high wind conditions. Contributing factor was the pilot’s decision to not conduct a fly over of the landing site to determine wind condition which…NTSB ANC24LA080Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-18-150 · Arctic Village, AKThe pilot’s failure to maintain directional control of the airplane during takeoff in gusting wind conditions.NTSB ANC24LA062Accident · Minor injuriesClass 4 · LimitedFinal reportFoxair Kitfox S7 Supersport · Tok, AKThe pilot's failure to maintain directional control during takeoff with a crosswind.NTSB ANC24LA058Accident · No injuriesClass 4 · LimitedFinal reportCessna 182F · Cordova, AKThe pilot’s improper landing flare, which resulted in a hard, bounced landing.NTSB ANC24LA054Accident · No injuriesClass 4 · LimitedFinal reportDehavilland Beaver DHC-2 MK.1 · Aleknagik, AKThe pilot’s failure to maintain pitch control of the airplane during initial climb.NTSB ANC24FA029Accident · 2 fatalClass 3 · FieldFinal reportDouglas C54D · Fairbanks, AKA loss of power of the No. 1 engine for reasons that could not be determined, and the incorrect installation of a B-nut fitting in the propeller feathering system, which allowed engine oil to spray onto the exhaust system when the propeller was feathered…NTSB ANC24LA007Accident · No injuriesClass 4 · LimitedFinal reportBeech 200 · New Stuyahok, AKThe pilot’s loss of directional control during landing flare resulting in substantial damage to the left wing.NTSB ANC23LA082Accident · No injuriesClass 4 · LimitedFinal reportHelio H-295 · Fairbanks, AKThe pilot’s encounter with windshear during initial climb out, which resulted in a loss of control.NTSB ANC23FA074Accident · 1 fatalClass 2 · FieldFinal reportPiper PA-18-150 · St. Mary's, AKThe pilot’s decision to operate the airplane above its maximum certificated gross weight, and his installation of an unapproved external load that degraded takeoff performance and flight characteristics resulting in a loss of airplane control during takeoff…NTSB ANC23LA065Accident · 2 fatalClass 3 · LimitedFinal reportBeech B36TC · Cape Yakataga, AKThe pilot’s continued flight into moderate to severe icing conditions, including supercooled large droplets, over mountainous terrain, which resulted in a loss of control and impact with terrain. Contributing to the accident was the National Weather Service…NTSB ANC23LA054Accident · Serious injuriesClass 3 · LimitedFinal reportDehavilland DHC-2 MK. I(L20A) · Twin Hills, AKThe pilot’s loss of control during initial climb for reasons that could not be determined.NTSB ANC23LA048Accident · No injuriesClass 4 · LimitedFinal reportMaule M-4-210C · Prospect Creek, AKThe pilot’s exceedance of the airplane’s critical angle of attack on climbout, which resulted in a loss of control and impact with trees.NTSB WPR22LA329Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 Clipper 1 · Deadhorse, AKThe pilot's failure to maintain helicopter control during a descent, which resulted in a collision with terrain.NTSB ANC22FA066Accident · 1 fatalClass 3 · FieldFinal reportPiper PA-12 · Arctic Village, AKThe pilot’s decision to depart in turbulent and gusting wind conditions, which resulted in a loss of control and impact with terrain.NTSB ANC22LA050Accident · No injuriesClass 4 · LimitedFinal reportDehavilland Beaver U-6A · Kokhanok, AKThe pilot’s failure to maintain directional control during takeoff in gusting wind conditions which resulted in a loss of control and impact with the water.NTSB ANC22LA051Accident · No injuriesClass 4 · LimitedFinal reportChampion 7GCBC · Palmer, AKThe pilot’s inadequate compensation for the gusting wind conditions with resulted in a loss of control and impact with terrain.NTSB ANC22LA038Accident · Serious injuriesClass 4 · LimitedFinal reportPiper PA-18-150 · Glacier View, AKThe pilot's failure to maintain adequate airspeed during the landing approach, which resulted in the airplane exceeding its critical angle of attack and a subsequent aerodynamic stall at an altitude too low to recover.NTSB ANC22LA035Accident · Serious injuriesClass 3 · LimitedFinal reportDehavilland DHC-3 · Yakutat, AKThe pilot’s failure to determine the actual weight and balance of the airplane before departure, which resulted in the airplane being operated outside of the aft center of gravity limits and the subsequent aerodynamic stall on final approach. Contributing to…NTSB ANC22LA055Accident · Serious injuriesClass 4 · LimitedFinal reportCessna 182C · Port Moller, AKThe pilot’s inadequate preflight inspection, which did not detect a screw in the control yoke column, and his failure to confirm flight control continuity before takeoff.NTSB ANC22LA034Accident · No injuriesClass 4 · LimitedFinal reportCessna 170B · Big Lake, AKThe pilot's failure to maintain adequate airspeed during final approach which resulted in the airplane exceeding its critical angle of attack and a subsequent aerodynamic stall at too low of an altitude to recover.NTSB ANC22LA032Accident · No injuriesClass 4 · LimitedFinal reportTaylorcraft BC12-D · Wasilla, AKThe pilot's failure to maintain a proper glidepath while on final approach to landing which resulted in an impact with a snow berm and a nose over.NTSB ANC22FA005Accident · 1 fatalClass 3 · FieldFinal reportGerald Jones 2+2 · Kodiak, AKThe pilot's failure to maintain adequate airspeed while maneuvering, which resulted in an exceedance of the airplane’s critical angle of attack and an aerodynamic stall.NTSB ANC22LA004Accident · 1 fatalClass 3 · LimitedFinal reportGregg Origer PA-18 Replica · Willow, AKThe 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 ANC21LA097Accident · No injuriesClass 4 · LimitedFinal reportCessna 180E · Kotzebue, AKThe pilot’s loss of control during takeoff due to a gusty, variable wind and the rough terrain.NTSB ANC21LA077Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-12 · Nikolai, AKThe pilot’s loss of control on go-around in gusting crosswind conditions. Contributing to accident was the pilot’s decision to attempt to land at a short off-airport landing site with a malfunctioning airspeed indicator.NTSB ANC21LA076Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-18-150 · Kenai, AKThe pilot’s failure to maintain directional control during takeoff in gusting wind conditions which resulted in a loss of control and impact with terrain.NTSB ANC21LA073Accident · No injuriesClass 3 · LimitedFinal reportCessna 208 · Fairbanks, AKThe pilot’s unexpected encounter with supercooled liquid droplets (SLD), which resulted in a loss of control due to ice accumulation. Contributing to the accident were: (1) the pilot’s failure to maintain the minimum airspeed for flight in icing conditions,…NTSB ANC21LA071Accident · Serious injuriesClass 4 · LimitedFinal reportPiper PA-14 · Tyonek, AKThe pilot’s failure to maintain directional control and adequate airspeed during takeoff which resulted in a collision with a river. Contributing to the accident was the pilot’s improper decision to load the airplane above its maximum allowable gross weight.NTSB ANC21LA075Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA-18 · Talkeetna, AKThe malfunction of the control stick during initial climb for reasons that could not be determined based on available evidence.NTSB ANC21LA062Accident · No injuriesClass 4 · LimitedFinal reportDehavilland DHC-2 MK 1 · King Salmon, AKThe pilot’s exceedance of the floatplane’s critical angle of attack, which resulted in an aerodynamic stall and subsequent loss of control.NTSB ANC21LA050Accident · No injuriesClass 4 · LimitedFinal reportCessna A185F · Dillingham, AKThe pilot’s failure to maintain directional control during takeoff in gusting wind conditions which resulted in a loss of control and impact with terrain.