NTSB investigations
86 cases where NTSB found Main gear strut/axle/truck.
Cases per year
| 2008 | 11 |
|---|---|
| 2009 | 8 |
| 2010 | 4 |
| 2011 | 4 |
| 2012 | 8 |
| 2013 | 2 |
| 2014 | 5 |
| 2015 | 2 |
| 2016 | 5 |
| 2017 | 4 |
| 2018 | 7 |
| 2019 | 5 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 4 |
| 2024 | 4 |
| 2025 | 4 |
| 2026 | 4 |
Where
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.\"mKey\" IN (SELECT f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f.\"findingCode\", '01023213')) 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."mKey" IN (SELECT f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f."findingCode", '01023213')) 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 ERA26LA280Accident · No injuriesClass 4 · LimitedFinal reportWaco ASO · Hamilton, OHThe separation of the right main landing gear axle, which resulted in a loss of control during the landing roll.NTSB ERA26LA189Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-34-220T · Kissimmee, FLFracture of the left main landing gear trunnion during landing, which resulted in a loss of directional control during landing and subsequent runway excursion.NTSB CEN26LA161Accident · No injuriesClass 4 · LimitedFinal reportFlight Design Ctsw · Seguin, TXThe failure of the landing gear weldment that resulted in separation of the right main landing gear.NTSB ANC26LA022Accident · No injuriesClass 4 · LimitedFinal reportCessna A185F · Skwentna, AKThe pilot’s loss of directional control during landing roll due to contact with wind hardened snow berm and subsequent failure of main landing gear.NTSB CEN25LA402Accident · No injuriesClass 4 · LimitedFinal reportTextron 525C · Baton Rouge, LAThe improper installation of the trunnion pin, which resulted in a failure of the right main landing gear. Contributing to the accident was the failure of maintenance personnel to follow the aircraft manufacturer’s maintenance procedures.NTSB WPR25LA300Accident · No injuriesClass 4 · LimitedFinal reportAeronca 7AC · Firebaugh, CAA loss of directional control during landing due to the partial separation of the right main landing gear oleo strut from a failed weld.NTSB CEN25LA185Accident · No injuriesClass 4 · LimitedFinal reportCessna 401 · Arlington, TXThe failure of the left landing gear system and subsequent intentional gear up landing.NTSB CEN25LA089Accident · Minor injuriesClass 4 · LimitedFinal reportLuscombe 8E · Brush, COThe failure of the left main landing gear forward strut.NTSB ERA24LA325Accident · No injuriesClass 4 · LimitedFinal reportFlight Design Ctsw · Cuba, NYA separation of the left main landing gear wheel assembly during landing.NTSB CEN24LA251Accident · No injuriesClass 4 · LimitedFinal reportCessna 170 · Dowagiac, MIThe pilot and flight instructor’s failure to maintain directional control during the landing roll, which resulted in a ground loop with the left main landing gear axle failing, a runway excursion, and impact with the ground.NTSB CEN24LA244Accident · Minor injuriesClass 4 · LimitedFinal reportDesert Fox 1 · Ellicott, COThe pilot's decision to takeoff with a quartering tailwind and high density altitude which resulted in a runway overrun. Contributing to the accident was the failure of the right main axle mount due to the poor weld.NTSB CEN24LA169Accident · Serious injuriesClass 4 · LimitedFinal reportBaby Great Lakes - · Castroville, TXThe failure of the right main landing gear axle due to multiple fatigue crack initiation points joining into a single larger crack.NTSB WPR23LA270Accident · No injuriesClass 3 · LimitedFinal reportSling Sling LSA · Palm Springs, CAFailure of the landing gear strut during takeoff due to a preexisting cracks that were caused by a manufacturing anomaly during the composite fiber layup process.NTSB ERA23LA284Accident · Minor injuriesClass 3 · LimitedFinal reportSchweizer 269C · Macclenny, FLThe improper maintenance of the landing gear dampers and main rotor elastomeric dampers, resulting in ground resonance during an unsuccessful takeoff attempt with the helicopter near its maximum gross weight for the density altitude.NTSB CEN23LA227Accident · Serious injuriesClass 3 · LimitedFinal reportKolb Twinstar · Starbuck, MNThe pilot’s improper landing flare and hard landing, which resulted in the left axle fracturing from bending overstress.NTSB CEN23LA217Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-28-181 · Pellston, MIThe failure of the left main landing gear strut and clevises due to fatigue cracks that initiated at multiple casting solidification voids.NTSB WPR22LA357Accident · No injuriesClass 3 · LimitedFinal reportVashon Ranger R7 · Glendale, AZFailure of the landing gear due to material deficiencies that reduced the strength of the landing gear.NTSB WPR22LA206Accident · No injuriesClass 4 · LimitedFinal reportShea Pitts Special S-1C · Reno, NVThe pilot’s failure to maintain directional control during landing roll.NTSB WPR22LA159Accident · No injuriesClass 3 · LimitedFinal reportDiamond Aircraft Ind DA 42 · Long Beach, CAThe failure of the right main landing gear brace rib for reasons that could not be determined based on available information.NTSB ERA21LA246Accident · No injuriesClass 3 · LimitedFinal reportHonda HA-420 · Kennesaw, GAThe mechanic’s improper installation of the left main wheel assembly.NTSB ERA21LA235Accident · No injuriesClass 4 · LimitedFinal reportMeyers Industries 200A · Marathon, FLThe failure of the right main landing gear to fully extend during landing as a result of the underinflated right main landing gear oleo strut.NTSB CEN19LA322Accident · No injuriesClass 3 · LimitedFinal reportCessna 195A · Pocahontas, IAOverload failure of the left main landing gear during landing, which resulted in a loss of directional control.NTSB WPR19LA169Accident · No injuriesClass 3 · LimitedFinal reportCessna 140 · Independence, ORFatigue failure of the right landing gear axle, which resulted in a loss of control during the landing roll.NTSB CEN19LA166Accident · No injuriesClass 3 · LimitedFinal reportBeech E90 · Greenville, TXThe fatigue failure of the right main landing gear upper torque knee.NTSB ERA19LA173Accident · No injuriesClass 3 · LimitedFinal reportHughes 269B · Hampton, GAGround resonance during landing for reasons that could not be determined based on the available information.NTSB ERA19LA169Accident · No injuriesClass 3 · LimitedFinal reportHawker Siddeley Hunter · Newport News, VAThe failure of the right main landing gear due to a fatigue cracking.NTSB WPR18LA272Accident · No injuriesClass 3 · LimitedFinal reportSmith AEROSTAR601 · Heber, UTA recent hard landing resulted in a fracture of a joint from a cylinder to a main landing gear.NTSB ERA18LA182Accident · No injuriesClass 3 · LimitedFinal reportPiper PA 25 · Flat Rock, ALThe failure of the right landing gear during takeoff due to a fatigue failure, which resulted in a runway excursion.NTSB ERA18LA178Accident · Minor injuriesLimited investigationFinal reportPiper PA 34-200 · Umatilla, FLMaintenance personnel ‘s failure to complete and verify the proper installation of the main landing gear (MLG) torque links’ attachment hardware, which resulted in the right MLG torque link disconnecting and the pilot’s subsequent inability to maintain…NTSB WPR18LA129Accident · No injuriesClass 3 · LimitedFinal reportGulfstream AM Corp Comm Div 695A · Bishop, CAThe failure of the left main landing gear upper arm forging due to fatigue cracking and subsequent overstress, which resulted in the collapse of the landing gear during the landing roll.NTSB GAA18CA203Accident · No injuriesData collectionFinal reportCarr B L RV 4 · Caldwell, IDThe failure of the weld on the airplane’s left main landing gear axle support strut during landing, which resulted in a loss of directional control.NTSB GAA18CA180Accident · Minor injuriesData collectionFinal reportAnderson Darrell L Starduster TOO · Tucson, AZThe failure of the left main landing gear axle weld during the landing roll.NTSB WPR18LA065Accident · No injuriesLimited investigationFinal reportJust JA30 Superstol · Kapolei, HIThe collapse and separation of the right landing gear suspension strut due to overload.NTSB CEN18LA059Accident · No injuriesLimited investigationFinal reportAmerican Champion 7GCAA · Longmont, COThe failure of the landing gear through bolt primarily due to fatigue during a hard landing, which resulted in a landing gear collapse and runway excursion. Contributing to the accident was noncompliance with the manufacturer service letter.NTSB GAA17CA552Accident · No injuriesData collectionFinal reportHencken William Pietenpol AIR Camper · Franklin, PAThe failure of the weld that connects the left main landing gear and the axle during the takeoff roll.NTSB ERA17LA298Accident · Minor injuriesLimited investigationFinal reportCessna 305 · Wurtsboro, NYA fatigue fracture of the left main landing gear axle.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 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 ERA16LA260Accident · No injuriesLimited investigationFinal reportSorensen Danny Pitts S1 S · Somerville, TNThe failure of the left landing gear leg due to fatigue, which resulted in a ground loop during landing. Contributing to the accident was the airplane builder's installation of a custom-built landing gear rather than the landing gear included with the…NTSB WPR16LA117Accident · No injuriesLimited investigationFinal reportHowell Bob Howell Special · Minden, NVThe failure of the right main landing gear assembly due to overstress fracture.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 WPR16LA068Accident · No injuriesLimited investigationFinal reportCessna 140 · Independence, ORThe failure of the left main landing gear wheel axle due to a fatigue crack.NTSB WPR16LA018Accident · No injuriesLimited investigationFinal reportCessna 120 · Lone Pine, CAThe fracture of the left main landing gear (MLG) wheel axle due to fatigue, which resulted in the separation of the left MLG wheel during takeoff from a dirt airstrip.NTSB WPR15LA184Accident · No injuriesLimited investigationFinal reportEclipse EA500 · Sacramento, CAA manufacturing defect that resulted in fatigue failure of the left main landing gear trunnion.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 ERA14LA293Accident · Minor injuriesLimited investigationFinal reportSchweizer 269C-1 · Allentown, PAInadequate inspection and maintenance of the helicopter’s landing gear dampers, which resulted in ground resonance during helicopter shutdown.NTSB CEN14LA269Accident · No injuriesLimited investigationFinal reportSchweizer 269C · Temple, TXGround resonance due to maintenance personnel’s improper inspection of the landing gear dampers, which resulted in the dampers operating outside of allowable limits.NTSB WPR14LA253Accident · No injuriesLimited investigationFinal reportMcdonnell Douglas Helicopter 500N · Santa Monica, CAThe fracture of the right aft landing gear strut due to undetected fatigue cracking in an inboard rivet hole.NTSB WPR14LA130Accident · No injuriesLimited investigationFinal reportGrumman G164 - A · Caruthers, CAAn undetected fatigue crack in the landing gear leg, which initiated at an electrical arc-induced damage site of undetermined origin and resulted in landing gear failure. Contributing to the severity of damage to the airplane was the close proximity of an…NTSB ANC13LA049Accident · No injuriesLimited investigationFinal reportMaule M-6-235 · Big Lake, AKThe pilot’s execution of a hard landing, which resulted in the overstress fracture of the right main axle housing and the subsequent nosedown.