NTSB investigations, AK
108 cases where the sequence of events included Miscellaneous/other.
Cases per year
| 2008 | 7 |
|---|---|
| 2009 | 3 |
| 2010 | 7 |
| 2011 | 1 |
| 2012 | 10 |
| 2013 | 3 |
| 2014 | 4 |
| 2015 | 1 |
| 2016 | 13 |
| 2017 | 9 |
| 2018 | 15 |
| 2019 | 16 |
| 2020 | 9 |
| 2021 | 4 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 2 |
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\" = '900' 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" = '900' 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 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.NTSB 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.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 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.NTSB 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.NTSB ANC23LA024Accident · No injuriesClass 3 · LimitedFinal reportEnstrom F-28C · Anchorage, AKThe pilot’s failure to maintain main rotor rpm on takeoff, which resulted in a forced run-on landing.NTSB ANC21LA041Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-18-105 Special · Palmer, AKThe pilot’s selection of unsuitable terrain for takeoff, which resulted in a loss of control and ground loop.NTSB ANC21LA025Accident · No injuriesClass 4 · LimitedFinal reportCessna 208B · Chevak, AKThe pilot’s loss of directional control during the back-taxi for departure in strong crosswind conditions which resulted in a runway excursion. Contributing to the accident was the snow-and-ice-covered runway.NTSB 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.NTSB ANC21LA017Accident · Minor injuriesClass 4 · LimitedFinal reportMaule M-6-235 · Tyonek, AKThe pilot’s selection of unsuitable terrain for landing, which resulted in the airplane encountering deep snow and coming to rest inverted.NTSB 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.NTSB ANC20CA090Accident · No injuriesClass 4 · Data collectionFinal reportCessna 182 · Palmer, AKThe pilot’s excessive airspeed during landing and improper application of the brakes, which resulted in a runway overrun.NTSB ANC20CA081Accident · No injuriesClass 4 · Data collectionFinal reportPerformer High Performer · Chandalar Shelf, AKThe pilot's selection of unsuitable terrain for landing, which resulted in a loss of control during the landing and a nose over.NTSB 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.NTSB 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.NTSB ANC20CA041Accident · No injuriesData collectionFinal reportPiper PA 18A · Chickaloon, AKThe pilot's selection of unsuitable terrain for landing, which necessitated a go-around, and her subsequent failure to maintain clearance from rising mountainous terrain.NTSB ANC20CA036Accident · No injuriesData collectionFinal reportCessna 175 · Soldotna, AKThe pilot's unintentional selection of the wrong landing surface, which was covered with 2 ft of snow and resulted in a nose-over.NTSB ANC20CA032Accident · No injuriesData collectionFinal reportCessna 172 · Big Lake, AKThe pilot's improper decision to initiate the takeoff roll from a snow-covered taxiway, which resulted in a loss of directional control, runway excursion, and impact with a snow berm.NTSB 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…NTSB ANC20CA037Accident · No injuriesData collectionFinal reportCessna 207 · Kwigillingok, AKThe pilot's improper decision to depart from an ice-covered runway with a strong crosswind, which resulted in a loss of directional control, runway excursion, and impact with a ditch.NTSB GAA19CA563Accident · No injuriesData collectionFinal reportDe Havilland Beaver DHC 2 · Mountain Village, AKThe pilot's improper takeoff configuration due to distraction, which resulted in the airplane’s failure to become airborne and its subsequent collision with rising terrain. Contributing to the accident was the pilot's failure to use the Before Takeoff…NTSB 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.NTSB ANC19CA057Accident · Minor injuriesData collectionFinal reportPiper PA22 · Arctic Village, AKThe pilot's failure to maintain adequate airspeed while maneuvering to avoid mountainous terrain, which resulted in the airplane exceeding its critical angle of attack and an aerodynamic stall.NTSB GAA19CA507Accident · No injuriesData collectionFinal reportMaule M5 · Anchorage, AKThe pilot's excessive braking during landing on a dry lakebed, which resulted in a nose-over.NTSB GAA19CA501Accident · No injuriesData collectionFinal reportChampion 7GCBC · Fairbanks, AKThe pilot's overapplication of brakes during landing on unimproved terrain, which resulted in a nose-over.NTSB GAA19CA497Accident · No injuriesData collectionFinal reportPiper PA 12 · McCarthy, AKThe pilot's overapplication of brakes during landing, which resulted in a nose-over.NTSB ANC19TA044Accident · Minor injuriesClass 3Final reportCessna 180 · Anchorage, AKThe pilot’s failure to maintain takeoff heading due to sun glare, which resulted in his inability to see an island adjacent to the water lane and subequent impact with the island.NTSB GAA19CA402Accident · No injuriesData collectionFinal reportCessna 180 · Talkeetna, AKThe pilot's improper soft-field landing technique, which resulted in a nose-over.NTSB GAA19CA348Accident · No injuriesData collectionFinal reportPiper PA18 · Fairbanks, AKThe pilot receiving instruction's premature pitch control input during takeoff, which resulted in an aborted takeoff and subsequent impact with terrain. Contributing to the accident was the flight instructor's delayed remedial action.NTSB GAA19CA343Accident · No injuriesData collectionFinal reportMaule MX7 · Soldatna, AKThe pilot’s attempt to land on water in an airplane that was not equipped with floats.NTSB GAA19CA263Accident · No injuriesData collectionFinal reportStinson 108 · Soldotna, AKThe pilot's overapplication of the brakes during landing on a soft runway, which resulted in a nose-over.NTSB GAA19CA251Accident · No injuriesData collectionFinal reportDe Havilland DHC2 · McCarthy, AKThe pilot's failure to maintain a proper approach path in gusting wind conditions, which resulted in the airplane landing short of the airstrip and bouncing.NTSB 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.NTSB GAA19CA252Accident · No injuriesData collectionFinal reportAerospatiale AS350 · Coldfoot, AKThe gunner’s improper net gun firing, which resulted in a net weight impacting the rotor blades.NTSB GAA19CA139Accident · No injuriesData collectionFinal reportAirbus A350 · Eureka, AKThe pilot's selection of unsuitable terrain for landing on snow-covered mountainous terrain with steep rocks above, which resulted in loose rocks damaging the main rotor blades and the subsequent loss of helicopter controllability.NTSB ANC19CA002Accident · No injuriesData collectionFinal reportBeech 1900 · Gambell, AKThe pilot’s unstabilized approach and improper landing flare, which resulted in a hard landing.NTSB 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.NTSB GAA18CA504Accident · No injuriesData collectionFinal reportPiper PA18 · McGrath, AKThe pilot’s failure to maintain directional control during takeoff in a crosswind.NTSB GAA18CA488Accident · No injuriesData collectionFinal reportCessna 185 · Brooks Range, AKThe airplane's encounter with downdraft conditions during takeoff, which resulted in a subsequent loss of altitude and collision with terrain.NTSB GAA18CA521Accident · No injuriesData collectionFinal reportCub Crafters CC18 · Fairbanks, AKThe pilot’s premature liftoff and subsequent settling of the airplane to the gravel airstrip.NTSB ANC18CA054Accident · Minor injuriesData collectionFinal reportCurtiss Wright C46 · Manley Hot Springs, AKThe pilot's failure to attain the proper touchdown speed and his decision to land with a tailwind without ensuring that there was adequate runway length for the touchdown.NTSB ANC18CA052Accident · No injuriesData collectionFinal reportCessna 182 · Chugiak, AKThe pilot's mismanagement of the engine controls due to distraction in the traffic pattern, which resulted in a hard landing short of the runway.NTSB GAA18CA385Accident · No injuriesData collectionFinal reportPiper PA18 · Anchorage, AKThe pilot’s overapplication of the brakes during landing, which resulted in a nose-over.NTSB GAA18CA375Accident · No injuriesData collectionFinal reportTaylorcraft F19 · Goose Bay, AKThe pilot’s failure to maintain a proper approach path during landing in dusky, flat light conditions, which resulted in a tree strike.NTSB 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.NTSB GAA18CA363Accident · No injuriesData collectionFinal reportPiper PA22 · Yakutat, AKThe pilot’s failure to maintain directional control during landing.NTSB GAA18CA355Accident · No injuriesData collectionFinal reportPiper PA18 · Salcha, AKThe pilot’s overapplication of the brakes during landing, which resulted in a nose-over.NTSB GAA18CA362Accident · No injuriesData collectionFinal reportPiper PA18 · Healy, AKThe pilot’s overapplication of the brakes during the landing roll, which resulted in a nose-over.NTSB 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.NTSB 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.