NTSB investigations, AK
19 cases where the sequence of events included Part(s) separation from AC.
Cases per year
| 2009 | 2 |
|---|---|
| 2014 | 1 |
| 2015 | 1 |
| 2016 | 4 |
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 1 |
| 2020 | 3 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 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\" = '338' 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" = '338' 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 ANC25LA027Accident · No injuriesClass 3 · LimitedPreliminary reportPilatus PC-12/45 · Sleetmute, AKOn March 7, 2025, about 1740 Alaska standard time, a Pilatus PC-12 airplane, N304PT, sustained substantial damage when it was involved in an accident near Sleetmute, Alaska. The pilot and nine passengers were not injured. The airplane was operated as a Title…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 ANC23LA071Accident · Minor injuriesClass 3 · LimitedFinal reportBell Helicopter Textron Canada 206L-4 · King Salmon, AKThe failure of both pilots to see and avoid while en route, which resulted in a midair collision.NTSB ANC20LA098Accident · No injuriesClass 3 · LimitedFinal reportCessna 182 · King Salmon, AKThe fatigue fracture failure of the left main landing gear U-bolt during landing, which resulted in the collapse and separation of the left main landing gear spring.NTSB ANC20LA089Accident · No injuriesClass 3 · LimitedFinal reportEurocopter AS 350 · Fort Greely, AKFailure of the door lock due to interference between the door and a cargo box.NTSB ANC20LA064Accident · No injuriesClass 3 · LimitedFinal reportPiper PA22 · Soldotna, AKThe delamination of the fabric material from the fuselage above the windscreen due to failed adhesive, which resulted in disrupted airflow and a subsequent hard landing.NTSB ANC19LA024Accident · No injuriesClass 3 · LimitedFinal reportAeronca 7DC · Nome Creek, AKThe failure of the airplane's structural tubing due to corrosion, which resulted in a tailwheel separation and a subsequent loss of control. Also causal was the mechanic's failure to perform a detailed inspection of the aft fuselage during the most recent…NTSB ANC18LA067Accident · No injuriesLimited investigationFinal reportCessna U206 · Pedro Bay, AKThe fatigue fracture of both main landing gear legs during the landing roll, which resulted in the collapse and separation of both main landing gear legs.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 ANC18LA030Accident · No injuriesLimited investigationFinal reportChampion 7GC · Anchorage, AKThe pilot's failure to maintain directional control during landing with a crosswind, which resulted in a loss of control and failure of the main landing gear. Contributing to the accident was the pilot's self-induced pressure to land.NTSB ANC17LA052Accident · No injuriesLimited investigationFinal reportCessna A185 · Aniak, AKThe pilot's inadequate preflight inspection, which failed to detect a crack in the propeller blade, which led to the separation of a section of a propeller blade due to fatigue.NTSB ANC16LA072Accident · No injuriesLimited investigationFinal reportHelio H-250 · Anchorage, AKThe fatigue fracture failure of both main landing gear (MLG) legs during the landing roll, which resulted in the collapse and separation of both MLG legs.NTSB ANC16CA049Accident · No injuriesData collectionFinal reportCessna U206 · Cordova, AKThe pilot's improper landing flare, which resulted in a hard landing and subsequent landing gear separation and collapse.NTSB ANC16LA046Accident · No injuriesLimited investigationFinal reportCessna A185 · Illiamna, AKThe overstress fracture of the left main landing (MLG) gear axle attachment bolts and the subsequent separation of the left MLG wheel, which resulted in the pilot’s inability to control the airplane.NTSB ANC16LA024Accident · No injuriesLimited investigationFinal reportCessna 180 · Naknek, AKThe overstress fracture and subsequent separation of the left main landing gear axle due to a hard landing, which resulted in the pilot’s inability to maintain directional control of the airplane.NTSB ANC15LA073Accident · No injuriesLimited investigationFinal reportRobinson Helicopter R44 · Fort Glenn, AKThe separation of the tail rotor gearbox from the tailboom attachment point due to overstress loads imposed by a tail rotor blade imbalance as the result of impact with an undetermined object during low-level flight operations.NTSB ANC14LA056Accident · No injuriesLimited investigationFinal reportPiper PA-22 · Dillingham, AKThe pilot’s failure to maintain directional control during the landing due to his decision to attempt a landing with a quartering tailwind, which resulted in a ground loop and impact with the runway surface.NTSB ANC09LA083Accident · No injuriesLimited investigationFinal reportCessna 185 · McCarthy, AKThe separation of the right main landing gear wheel from the airplane during landing for undetermined reasons, which resulted in an inability to control the airplane.NTSB ANC09CA048Accident · No injuriesData collectionFinal reportPiper PA-32-301 · Birchwood, AKThe failure of maintenance personnel to properly maintain the cargo door latch, resulting in an in-flight opening and separation of the cargo door, and substantial damage to the horizontal stabilator when it was struck by remnants of the cargo door.