NTSB investigations, AK
29 cases where the defining event was Landing gear collapse.
Cases per year
| 2008 | 2 |
|---|---|
| 2009 | 2 |
| 2011 | 3 |
| 2012 | 2 |
| 2013 | 2 |
| 2014 | 1 |
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 2 |
| 2024 | 2 |
| 2025 | 1 |
| 2026 | 4 |
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 e.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.\"isDefiningEvent\" AND e.\"tier2Number\" = '094')
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 e.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e."isDefiningEvent" AND e."tier2Number" = '094') 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 ANC26LA104Accident · No injuriesClass 4 · LimitedInvestigation openTaylorcraft BL-65 · Ninilchik, AKNTSB ANC26LA099Accident · No injuriesClass 4 · LimitedInvestigation openMaule M-5-210C · Venetie, AKNTSB ANC26LA058Accident · No injuriesClass 4 · LimitedInvestigation openCessna 182Q · Beaver, AKNTSB ANC26LA032Accident · No injuriesClass 3 · LimitedPreliminary reportCessna A185F · Aniak, AKOn April 24, 2026, about 1045 Alaska daylight time, a wheel/ski-equipped Cessna 185 airplane, N92DC, was substantially damaged in an accident at Aniak Airport (ANI), Aniak, Alaska. The pilot and one passenger were not injured. The flight was being operated as…NTSB ANC25LA087Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-22-160 · Homer, AKThe failure of the left main landing gear mount due to extensive corrosion while landing in an area of rough terrain.NTSB ANC25LA006Accident · No injuriesClass 4 · LimitedFinal reportPiper PA22 · Talkeetna, AKThe mechanical failure of the left main landing gear leg due to corrosion, resulting in substantial damage to the left struts.NTSB ANC24LA082Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-22-150 · Sagwon, AKA failure of the landing gear fitting at the fuselage attachment point to due to a poor weld joint.NTSB ANC22LA042Accident · No injuriesClass 4 · LimitedFinal reportShort Bros. & Harland SC7 · Chisana, AKThe pilot’s selection of an unsuitable landing site, which resulted in the nosewheel collapsing.NTSB WPR22LA124Accident · No injuriesClass 3 · LimitedFinal reportCessna 310R · McGrath, AKA failure of the right main landing gear bellcrank lower arm fork, bellcrank, pivot bolt, and trunnion bellcrank lug for undetermined reasons.NTSB ANC21LA019Accident · No injuriesClass 4 · LimitedFinal reportCessna U206G · McGrath, AKThe pilot’s selection of an unsuitable landing surface.NTSB ANC20LA053Accident · No injuriesClass 3 · LimitedFinal reportZenith Stol CH701 · Ambler, AKThe pilot’s improper decision to take off from unsuitable terrain, which resulted in impact with uneven terrain, the subsequent failure of the nosewheel fork, and a nose over.NTSB ANC19LA047Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-22-150 · Talkeetna, AKA failure of the aft left weld-on fuselage landing gear fitting due to a poor weld joint.NTSB GAA19CA132Accident · No injuriesData collectionFinal reportPiper PA 18A · McGrath, AKThe pilot's selection of unsuitable terrain for landing, which resulted in the landing gear collapsing.NTSB ANC18LA019Accident · No injuriesClass 3 · LimitedFinal reportCessna 210 · Juneau, AKA loss of hydraulic fluid due to a fatigue failure of the right main landing gear hydraulic actuator, which resulted in the pilot's inability to fully extend the landing gear and a main landing gear collapse during the landing roll.NTSB ANC17LA022Accident · No injuriesClass 3 · LimitedFinal reportPiper PA 18-150 · Chugiak, AKA fracture and collapse of the main landing gear. Contributing to the accident was corrosion to the hydrasorb lug fitting.NTSB ANC16LA067Accident · No injuriesLimited investigationFinal reportHelio H 295 · Fairbanks, AKExcessive side loads imposed on the tailwheel A-frame during the takeoff roll, which resulted in a separation of the tailwheel and the subsequent loss of directional control.NTSB ANC15LA048Accident · No injuriesLimited investigationFinal reportCessna 210 · Juneau, AKA loss of hydraulic fluid due to a fractured left main landing gear hydraulic actuator as a result of a fatigue crack, which led to the landing gear collapsing upon touchdown.NTSB ANC14LA054Accident · No injuriesLimited investigationFinal reportCessna 180H · Seward, AKThe pilot’s execution of a hard uncoordinated landing, which resulted in the overstress fracture of the right main landing gear (MLG) axle attachment bolts and the subsequent separation of the of the right MLG axle.NTSB DCA14FA002Accident · No injuriesField investigationFinal reportBeech 1900C · Homer, AKThe first officer inadvertently selecting the landing gear handle up after touchdown during the landing rollout. Contributing to the accident was the first officer's decision to reconfigure the airplane while still on the active runway.NTSB ANC13CA038Accident · No injuriesData collectionFinal reportBeech A36 · Port Alsworth, AKThe failure of the left main landing gear retraction brace assembly, resulting in the collapse of the left main landing gear.NTSB ANC13LA016Accident · No injuriesLimited investigationFinal reportCessna 150C · Juneau, AKThe collapse of the left main landing gear during the landing roll, as a result of fatigue cracking. Contributing to the accident was the improper maintenance of the landing gear.NTSB ANC12TA035Accident · No injuriesFinal reportPiper PA-18-150 · Paxon, AKA separation of the right main landing gear suspension strut assembly due to overstress, which resulted in the collapse of the main landing gear while landing.NTSB ANC11TA079Accident · No injuriesFinal reportDehavilland DHC-2 MK. I(L20A) · Northway, AKThe pilot's failure to identify unsuitable terrain for landing and subsequent contact with a dirt mound, resulting in the separation of the tailwheel from the airframe.NTSB ANC11CA049Accident · No injuriesData collectionFinal reportChampion 7HC · Kenai, AKThe pilot's selection of unsuitable terrain for landing, resulting in the collapse of the main landing gear, and a nose over.NTSB ANC11CA018Accident · No injuriesData collectionFinal reportCessna A185F · Aniak, AKThe inadvertent contact with a rut in the snow while taxiing, resulting in the collapse of the right main landing gear.NTSB ANC09LA064Accident · No injuriesLimited investigationFinal reportDouglas DC-3C · Skwentna, AKA fracture of the airplane's tailwheel shock absorber linkage during taxi, resulting in the collapse of the tailwheel.NTSB ANC09CA033Accident · No injuriesData collectionFinal reportPiper PA-18-150 · Fairbanks, AKThe pilot's selection of unsuitable terrain for landing, which resulted in the main landing gear collapsing during taxi.NTSB ANC08CA115Accident · No injuriesData collectionFinal reportPiper PA-22 · Fairbanks, AKThe pilot's selection of an unsuitable landing site, resulting in a main landing gear collapse during the landing roll.NTSB ANC08CA103Accident · No injuriesData collectionFinal reportBellanca 8GCBC · Northway, AKThe pilot's inadequate evaluation of weather conditions while landing, which resulted in a hard landing. A factor contributing to the accident was a tailwind.