NTSB investigations, AK

56 cases where the defining event was Miscellaneous/other.

Cases per year

20082026
NTSB investigations, AK per year, 2008–2026: 56 cases
20084
20093
20106
20111
20127
20133
20142
20151
20169
20185
20195
20204
20211
20232
20241
20252

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\" = 'AK' AND c.\"eventCountry\" = 'USA'
    AND c.\"mKey\" IN (SELECT e.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.\"isDefiningEvent\" AND e.\"tier2Number\" = '900')
  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 ANC25LA097Accident · No injuriesClass 4 · LimitedFinal reportAirbus Helicopters AS350B3e · Skwentna, AKThe pilot’s inadvertent entanglement of a lightweight Kevlar long line into the helicopters operating main rotor system, resulting in a severe imbalance and separation of the main rotor gearbox.Aug 20, 2025 · N589SH · Substantial damageNTSB ANC25LA096Accident · No injuriesClass 4 · LimitedFinal reportCessna A185F · Haines, AKThe pilot’s selection of an unsuitable landing area resulting in an on-ground collision with an obscured log and a main landing gear separation.Aug 18, 2025 · N9BB · Substantial damageNTSB ANC24LA060Accident · No injuriesClass 4 · LimitedFinal reportDe Havilland DHC2 · Susitna, AKThe pilot’s selection of an unsuitable takeoff area, resulting in the floats contacting the shallow river bottom during takeoff, and a subsequent loss of control.Jul 2, 2024 · N6LU · Substantial damageNTSB ANC23LA086Accident · No injuriesClass 4 · LimitedFinal reportCessna 182K · Trimble River Valley, AKThe pilot’s selection of unsuitable terrain for landing, which resulted in the separation of the main landing gear wheel and the subsequent loss of directional control.Sep 24, 2023 · N2586R · Substantial damageNTSB ANC23LA064Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-18 · Skwentna, AKThe pilot’s decision to taxi the airplane through tall grass without visual reference to the surface which obscured uneven terrain.Aug 22, 2023 · N4111Z · Substantial damageNTSB ANC21LA023Accident · No injuriesClass 4 · LimitedFinal reportTaylorcraft BC12-D · Palmer, AKThe pilot’s selection of unsuitable terrain for taxi, which resulted in the airplane encountering a crevasse.Mar 4, 2021 · N43300 · Substantial damageNTSB ANC20CA097Accident · No injuriesClass 4 · Data collectionFinal reportPiper PA18 · Arctic Village, AKThe pilot’s selection of unsuitable terrain for landing, which resulted in a rock damaging the empennage.Sep 16, 2020 · N5779D · Substantial damageNTSB ANC20CA068Accident · No injuriesClass 4 · Data collectionFinal reportRobinson R44 · Ketchikan, AKThe crew leader's decision to throw a chainsaw bar into the moving arc of the main rotor blade.Jul 10, 2020 · N878CB · Substantial damageNTSB ANC20CA063Accident · No injuriesClass 4 · Data collectionFinal reportStinson 108 · Nikolai, AKThe pilot's improper decision to depart from an unsuitable off-airport surface which resulted in a departure area excursion and impact with trees.Jul 2, 2020 · N6252M · Substantial damageNTSB ANC20LA020Accident · No injuriesClass 3 · LimitedFinal reportCessna 208 · Hooper Bay, AKThe pilot’s decision to depart from a contaminated runway, and his failure to make a timely decision to abort the takeoff when the airplane was not accelerating as expected. Contributing to the accident was the pilot’s decision to depart in limited visibility…Feb 5, 2020 · N454SF · Substantial damageNTSB GAA19CA562Accident · No injuriesData collectionFinal reportDe Havilland Beaver DHC 2 MK.1 · Kotzebue, AKThe pilot's delayed decision to abort the takeoff from water after the airplane impacted a submerged object, which resulted in insufficient airspeed for liftoff and led to the pilot steering the airplane toward a mud embankment to avoid rocks.Sep 20, 2019 · N67112 · Substantial damageNTSB GAA19CA402Accident · No injuriesData collectionFinal reportCessna 180 · Talkeetna, AKThe pilot's improper soft-field landing technique, which resulted in a nose-over.Jul 11, 2019 · N91299 · Substantial damageNTSB GAA19CA343Accident · No injuriesData collectionFinal reportMaule MX7 · Soldatna, AKThe pilot’s attempt to land on water in an airplane that was not equipped with floats.Jun 11, 2019 · N61339 · Substantial damageNTSB GAA19CA233Accident · No injuriesData collectionFinal reportAerospatiale AS350 · Juneau, AKThe pilot's failure to maintain a proper approach to landing on a ridge and his failure to maintain clearance from snow-covered terrain, which resulted in a tail rotor strike.Apr 28, 2019 · N288CH · Substantial damageNTSB GAA19CA252Accident · No injuriesData collectionFinal reportAerospatiale AS350 · Coldfoot, AKThe gunner’s improper net gun firing, which resulted in a net weight impacting the rotor blades.Mar 31, 2019 · C-GTNV · Substantial damageNTSB GAA18CA567Accident · No injuriesData collectionFinal reportPiper PA18 · St. Mary's, AKThe pilot’s selection of an unsuitable off-airport landing area, which resulted in a ground loop.Sep 21, 2018 · N8192D · Substantial damageNTSB GAA18CA521Accident · No injuriesData collectionFinal reportCub Crafters CC18 · Fairbanks, AKThe pilot’s premature liftoff and subsequent settling of the airplane to the gravel airstrip.Aug 1, 2018 · N437CC · Substantial damageNTSB GAA18CA366Accident · No injuriesData collectionFinal reportRobinson R66 · Cordova, AKThe pilot’s selection of unsuitable terrain for landing, which resulted in impact with brush and a loss of helicopter control.Jun 19, 2018 · N7040P · Substantial damageNTSB GAA18CA289Accident · No injuriesData collectionFinal reportAerospatiale AS350 B2 Ecureuil · Yakutat, AKThe helicopter’s movement during startup in gusting wind conditions, which resulted in the main rotor striking the tailboom.May 18, 2018 · N288CH · Substantial damageNTSB GAA18CA136Accident · No injuriesData collectionFinal reportCessna 180 · Big Lake, AKThe pilot’s selection of unsuitable terrain for landing, which led to both skis breaking through the ice while positioning the airplane after landing.Feb 17, 2018 · N2934A · Substantial damageNTSB ANC17LA013Accident · Minor injuriesLimited investigationFinal reportRobinson Helicopter R22 · Palmer, AKThe pilot's failure to maintain main rotor revolutions per minute (RPM) during a pinnacle landing, which resulted in a main rotor stall condition, a loss of control, and a subsequent impact with terrain. A contributing factor was the flight instructor's…Dec 18, 2016 · N121MR · Substantial damageNTSB ANC17FA012Accident · 2 fatalField investigationFinal reportPiper PA 11 · Aniak, AKThe pilot's intentional flight of the airplane into terrain in an act of suicide.Dec 16, 2016 · N5028H · Substantial damageNTSB GAA17CA051Accident · No injuriesData collectionFinal reportCessna 152 · Chickaloon, AKThe flight instructor's delay in aborting the takeoff from a turf runway, which resulted in a runway overrun.Oct 14, 2016 · N488E · Substantial damageNTSB ANC16LA071Accident · No injuriesLimited investigationFinal reportHelio H-295 · Delta Junction, AKThe pilot’s decision to take off from a wet, snowy airstrip and his delayed decision to abort the takeoff, which resulted in a runway excursion.Sep 26, 2016 · N68857 · Substantial damageNTSB ANC16CA069Accident · Minor injuriesData collectionFinal reportPiper PA18 · Willow, AKThe pilot's failure to maintain airplane control during the landing roll, which resulted in a nose-over.Sep 25, 2016 · N743R · Substantial damageNTSB GAA16CA487Accident · No injuriesData collectionFinal reportCessna 172 · Anchorage, AKThe airplane’s encounter with a developing sink hole during taxi on the ramp area.Sep 1, 2016 · N52950 · Substantial damageNTSB GAA16CA436Accident · No injuriesData collectionFinal reportPiper PA18 · Anchor Point, AKThe pilot's failure to maintain clearance from obstacles while landing on a coastal beach.Aug 16, 2016 · N8097N · Substantial damageNTSB ANC16LA054Accident · Serious injuriesLimited investigationFinal reportDe Havilland Beaver DHC-2 · Iliamna, AKThe pilot's decision to perform the takeoff despite calculations showing that the distance available was inadequate, which resulted in impact with terrain.Aug 9, 2016 · N95RC · Substantial damageNTSB GAA16CA109Accident · Minor injuriesData collectionFinal reportCessna CE-208 · Hooper Bay, AKThe pilot's failure to identify the runway, resulting in the airplane touching down a few feet to the right of the runway.Jan 15, 2016 · N104AN · Substantial damageNTSB ANC15CA026Accident · No injuriesData collectionFinal reportPiper PA 22-150 · Talkeetna, AKThe private pilot's failure to maintain clearance from a spruce tree during final approach, which resulted in a loss of control and hard landing. Contributing to the accident was the flight instructor's failure to adequately monitor the landing.May 16, 2015 · N7347D · Substantial damageNTSB ANC14CA076Accident · No injuriesData collectionFinal reportCessna U206B · Gustavus, AKThe motor vehicles operators' lack of attention, and improper decision to cross the runway with the runway alert system active, resulting in a collision with the airplane.Sep 6, 2014 · N3862G · Substantial damageNTSB ANC14LA046Accident · Serious injuriesLimited investigationFinal reportDehavilland DHC 2 · Iliamna, AKThe pilot’s improper decision to operate the airplane at low altitude and deliberately in close proximity to the boat operators, which resulted in a collision with a boat operator.Jun 25, 2014 · N115CX · Minor damageNTSB ANC14CA012Accident · No injuriesData collectionFinal reportDouglas DC-6 · Nuiqsut, AKA load shift during takeoff, which resulted in substantial damage to the aft bulkhead and associated structures.Nov 25, 2013 · N100CE · Substantial damageNTSB ANC13CA070Accident · No injuriesData collectionFinal reportPiper PA-18-135 · Fairbanks, AKThe pilot's inadequate evaluation of his landing area, which resulted in contact with terrain.Jul 27, 2013 · N1467C · Substantial damageNTSB ANC13CA060Accident · No injuriesData collectionFinal reportPiper PA-12 · Talkeetna, AKThe pilot's loss of situational awareness, which resulted in a wrong turn into a box canyon, and an in flight collision with terrain.Jul 1, 2013 · N3885M · Substantial damageNTSB ANC13FA001Accident · 1 fatalField investigationFinal reportGrumman G-44 · Aleknagik, AKThe pilot's decision to make multiple low passes over the glassy surface water, which resulted in an impact with the surface of the lake.Oct 8, 2012 · N139F · Substantial damageNTSB ANC12LA106Accident · No injuriesLimited investigationFinal reportCessna A185F · Denali Park, AKThe pilot’s failure to maintain clearance from an electric transmission line during the approach to land because he was distracted by the airplane’s broken and deflected landing ski. Contributing to the accident was the in-flight failure of the right ski…Sep 13, 2012 · N4786Q · Substantial damageNTSB ANC12CA101Accident · Minor injuriesData collectionFinal reportPiper PA-18-150 · Ekwok, AKThe pilot's diverted attention during the initial climb, which resulted in a collision with trees.Sep 5, 2012 · N4127Z · Substantial damageNTSB ANC12CA100Accident · No injuriesData collectionFinal reportAerospatiale AS350 B2 · Talkeetna, AKThe entanglement of a plastic tarp in the helicopter’s tail rotor after becoming dislodged from its securement.Sep 1, 2012 · N178CH · Substantial damageNTSB ANC12CA092Accident · Minor injuriesData collectionFinal reportDehavilland Beaver U-6 · Kenai, AKThe pilot’s failure to maintain adequate ground clearance during his landing approach, which resulted in a collision with terrain.Aug 25, 2012 · N314HA · Substantial damageNTSB ANC12CA086Accident · No injuriesData collectionFinal reportPiper PA-18 · Anchorage, AKThe passenger's inadvertent application of the brake pedals during landing, which resulted in a noseover.Aug 13, 2012 · N37WP · Substantial damageNTSB ANC12CA070Accident · No injuriesData collectionFinal reportDehavilland DHC-2 · Cantwell, AKThe right seat passenger’s inadvertent contact with the emergency fuel shutoff valve, which resulted in fuel starvation and a total loss of engine power. Contributing to the accident was the pilot's failure to provide a thorough preflight briefing to the…Jul 8, 2012 · N906JS · Substantial damageNTSB ANC12CA003Accident · No injuriesData collectionFinal reportPiper PA-18 · Skwentna, AKThe pilot's inadequate clearance from a tree during an off-airport landing.Oct 10, 2011 · N124GS · Substantial damageNTSB ANC11LA004Accident · No injuriesLimited investigationFinal reportBeech 1900C · Sitka, AKA lightning strike which resulted in substantial damage to the elevator.Oct 18, 2010 · N111AX · Substantial damageNTSB ANC10CA103Accident · No injuriesData collectionFinal reportPiper PA-18-150 · Anchorage, AKThe student pilot's selection of unsuitable terrain for an off-airport landing, resulting in the airplane nosing over.Sep 29, 2010 · N6819L · Substantial damageNTSB ANC10TA080Accident · No injuriesFinal reportAviat A-1B · Bettles Field, AKThe pilot's selection of an unsuitable off-airport landing site for a precautionary landing.Aug 31, 2010 · N20HY · Substantial damageNTSB ANC10CA079Accident · No injuriesData collectionFinal reportPiper PA-14 · Talkeetna, AKA faulty fuel quantity indication in-flight, which precipitated a precautionary off-airport landing, and collision with a road sign.Aug 26, 2010 · N5114H · Substantial damageNTSB ANC10CA050Accident · No injuriesData collectionFinal reportCessna 180 · Kenai, AKThe pilot's selection of unsuitable terrain for landing, resulting in the airplane nosing over during taxi.Jun 6, 2010 · N266V · Substantial damageNTSB ANC10CA039Accident · No injuriesData collectionFinal reportPiper PA-18-150 · Cape Yakataga, AKThe uncertificated pilot's selection of an unsuitable landing site, resulting in a main landing gear collapse during the landing roll.May 6, 2010 · N90918 · Substantial damageNTSB ANC10LA007Accident · No injuriesLimited investigationFinal reportPiper PA-18-160 · Palmer, AKThe pilot's selection of unsuitable terrain for takeoff.Nov 3, 2009 · N1042A · Substantial damage