NTSB investigations
54 cases where NTSB found Landing gear actuator.
Cases per year
| 2008 | 1 |
|---|---|
| 2009 | 5 |
| 2010 | 3 |
| 2011 | 7 |
| 2012 | 4 |
| 2013 | 5 |
| 2014 | 3 |
| 2015 | 3 |
| 2017 | 6 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 5 |
| 2023 | 2 |
| 2024 | 3 |
| 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.\"mKey\" IN (SELECT f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f.\"findingCode\", '01023233')) 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", '01023233')) 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 ERA26LA043Accident · No injuriesClass 4 · LimitedFinal reportBeech 95-B55 · Dothan, ALThe failure of the left main landing gear actuator rods, which resulted in a gear up landing.NTSB WPR24LA126Accident · No injuriesClass 3 · LimitedFinal reportCessna P210N · Auburn, WAAn overstress fracture of the left main landing gear actuator, which resulted in the failure of the left main landing gear to fully extend and lock into place.NTSB ERA24LA170Accident · No injuriesClass 4 · LimitedFinal reportBeta Biz LX7 · Huntsville, ALThe failure of the nose landing gear actuator forward hydraulic fitting, which resulted in a main landing gear collapse during landing due to the loss of hydraulic fluid and pressure.NTSB ERA24LA138Accident · No injuriesClass 4 · LimitedFinal reportPiper PA24 · Stafford, VAAn overloading of the landing gear push/pull cable rod ends, which resulted in the landing gear being seized in an intermediate position during the subsequent landing.NTSB CEN24LA018Accident · No injuriesClass 3 · LimitedFinal reportCessna 210B · Pueblo, COThe fatigue failure of the right main landing gear hydraulic actuator, which resulted in a loss of hydraulic fluid that prevented the pilot from lowering the landing gear to the fully extended position.NTSB WPR23LA213Accident · No injuriesClass 3 · LimitedFinal reportCessna 210 · Tacoma, WAA fatigue failure of the left main landing gear hydraulic actuator, which resulted in a loss of hydraulic fluid that prevented the pilot from lowering the landing gear to the fully extended position and maintaining directional control after landing.NTSB WPR23LA012Accident · No injuriesClass 3 · LimitedFinal reportCessna T210L · Marana, AZA failure of a retaining ring in the airplane’s left main landing gear door actuator and the subsequent complete loss of hydraulic fluid, which resulted in a gear-up landing.NTSB WPR22LA226Accident · No injuriesClass 3 · LimitedFinal reportCessna TR182 · Santa Barbara, CAA failure of the right main landing gear actuator pressure line O-ring, which resulted in a gear-up landing on the runway.NTSB ERA22LA282Accident · No injuriesClass 3 · LimitedFinal reportCessna 414 · Jasper, GAThe failure of the owner to comply with a service bulletin, which resulted in the failure of the left main landing gear torque tube due to fatigue cracking.NTSB ERA22LA319Accident · No injuriesClass 4 · LimitedFinal reportMooney M20J · Charleston, SCThe failure of the torsion spring inside the drive clutch assembly of the landing gear actuator which prevented normal and manual extension of the landing gear.NTSB CEN22LA138Accident · No injuriesClass 3 · LimitedFinal reportBeech 200 · Gulfport, MSThe failure of the right main landing gear actuator, which led to a gear-up landing.NTSB ERA21LA146Accident · No injuriesClass 3 · LimitedFinal reportCessna P210 · Bartow, FLA leaking left main landing gear down lock actuator, which resulted in a loss of hydraulic fluid and a subsequent landing gear collapse during landing.NTSB CEN20LA185Accident · No injuriesClass 3 · LimitedFinal reportCessna 501 · Houston, TXThe malfunction of the left main landing gear down lock, which resulted in a gear collapse upon landing.NTSB ERA20LA192Accident · No injuriesClass 3 · LimitedFinal reportBeech F90 · Knoxville, TNA failure of the left main landing gear scissors, which resulted in a landing gear collapse following a precautionary landing with the landing gear in an intermediate position..NTSB ERA20LA008Accident · No injuriesClass 3 · LimitedFinal reportRaytheon Hawker · Fort Myers, FLMaintenance personnel's improper installation of the nose landing gear assembly, which resulted in separation of the actuator arm and the failure of a nose landing gear to lock in place.NTSB ERA19LA123Accident · No injuriesClass 3 · LimitedFinal reportBeech A100 · Latrobe, PAA landing gear collapse due to the separation of the actuator pinion bearing support from the actuator, which resulted in the failure of the actuator shaft.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 CEN17LA340Accident · No injuriesLimited investigationFinal reportCessna 310G · Broomfield, COA collapse of the right main landing gear due to a bent pushrod, which precluded the gear from fully extending. The reason for the bent pushrod could not be determined based on the available information.NTSB ERA17LA239Accident · No injuriesClass 3 · LimitedFinal reportCessna 210L · Wilkes-Barre/Scranton, PAFailure of the left landing gear door actuator, which resulted in a loss of all hydraulic pressure and subsequent gear collapse on landing.NTSB CEN17LA148Accident · No injuriesLimited investigationFinal reportCessna T210M · Detroit Lakes, MNThe malfunction of the right main landing gear actuator for reasons that could not be determined because postaccident examination revealed no mechanical anomalies that would have precluded normal operation. Contributing to the accident was the improper…NTSB CEN17IA155Incident · No injuriesIncident investigationFinal reportCessna 172RG · Greeley, COFailure of the left main landing gear actuator assembly, which resulted in an inability to extend the left main landing gear.NTSB ERA17LA105Accident · No injuriesLimited investigationFinal reportS C Aerostar S A YAK 52 · St. Elmo, ALThe failure of the right main landing gear uplock actuator due to corrosion.NTSB WPR17LA056Accident · No injuriesLimited investigationFinal reportBeech 99 · Billings, MTThe fatigue failure of the left main landing gear (MLG) actuator piston rod, which prevented the hydraulic system from producing pressure to control the MLG’s position and led to the right MLG collapsing during landing.NTSB GAA16CA074Accident · No injuriesData collectionFinal reportCessna 177 · Palm Springs, CAThe failure of a shaft seal at the nose gear retraction/extension actuator, which resulted in a loss of hydraulic fluid and a main landing gear collapse during landing.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 ERA15IA206Incident · No injuriesIncident investigationFinal reportCessna 525B · Teterboro, NJThe overstress fracture of the nose landing gear actuator (NLG) attachment lug during tow operations, which resulted in the collapse of the NLG.NTSB WPR15LA038Accident · No injuriesLimited investigationFinal reportCessna 210B · Bullhead City, AZThe failure of the landing gear actuator housing during landing for reasons that could not be determined based on the available evidence.NTSB WPR14CA295Accident · No injuriesData collectionFinal reportCessna R182 · El Monte, CAThe failure of the right main landing gear pivot assembly. Contributing to the accident was the owner's failure to perform an inspection of the assembly in accordance with the manufacturer's service bulletin.NTSB CEN14LA354Accident · No injuriesLimited investigationFinal reportBeech A36 · San Antonio, TXThe failure of the landing gear retract rod.NTSB DCA13FA148Accident · No injuriesField investigationFinal reportBeech 1900D · Telluride, COFailure of the left main landing gear actuator internal lock to engage in the locked position for undetermined reasons.NTSB WPR13LA319Accident · No injuriesLimited investigationFinal reportCessna T210K · Phoenix, AZThe collapse of the left main landing gear due to a broken gear tooth in the landing gear actuator.NTSB WPR13LA274Accident · No injuriesLimited investigationFinal reportCessna T210L · Fresno, CAA hydraulic fluid leak in the nose landing gear actuator rod seal, which prevented the hydraulic system from building up sufficient pressure to fully retract or extend the main landing gear.NTSB CEN13LA208Accident · No injuriesLimited investigationFinal reportCessna 421C · Amarillo, TXMaintenance personnel's failure to detect the misadjustment of the left landing gear actuator's switch after recent maintenance, which prevented the landing gear from locking in the extended position and resulted in the landing gear collapsing during landing.NTSB WPR13LA102Accident · No injuriesLimited investigationFinal reportCessna 172RG · Redmond, ORFailure of the left main landing gear pivot assembly during the landing approach.NTSB CEN13FA038Accident · No injuriesField investigationFinal reportPiaggio P180 · Boyne City, MIThe select/bypass valve's failure to seal correctly because of improper shimming, which resulted in an uncommanded and uncontrollable left turn during landing. Contributing to the accident was the overhaul facility's improper overhaul of the steering manifold.NTSB CEN12LA672Accident · No injuriesLimited investigationFinal reportSocata TBM 700 · Horseshoe Bay, TXThe off-centered right main landing gear ball joint, which resulted in the right main landing gear collapsing during landing.NTSB WPR12LA366Accident · No injuriesLimited investigationFinal reportPiper PA-30 B · Scappoose, ORThe failure of the landing gear to fully extend as a result of a failure of the landing gear transmission assembly for reasons that could not be determined based on the available evidence.NTSB CEN12LA300Accident · No injuriesLimited investigationFinal reportCessna T210K · Midland, TXThe failure of the right main landing gear to fully extend before landing due to a bent downlock adjustment screw.NTSB CEN11CA640Accident · No injuriesData collectionFinal reportCessna T210M · Cahokia, ILA failure of a spring in the main landing gear actuation system that prevented the landing gear from extending.NTSB WPR11LA292Accident · No injuriesLimited investigationFinal reportCessna 320F · Phoenix, AZThe mechanic's failure to properly secure the nose landing gear actuator push-pull tube to the landing gear door hinge clevis, which resulted in the gear jamming and not fully retracting after takeoff.NTSB WPR11LA245Accident · No injuriesLimited investigationFinal reportPiper PA-46-310P · Lake Havasu, AZThe failure of the low pressure switch in the normal landing gear system, which prevented normal operation of that system, and the misrigging of the emergency extension gear release valve, which prevented the system from being depressurized to allow for the…NTSB CEN11LA357Accident · No injuriesLimited investigationFinal reportCessna T210M · Pueblo, COFailure of the landing gear to fully extend due to a failed o-ring in the nose gear actuator piston and a broken seal in the emergency landing gear extension system.NTSB CEN11IA341Incident · No injuriesIncident investigationFinal reportBeech 1900D · Denver, COThe fatigue failure of the nose landing gear (NLG) end cap, which resulted in insufficient hydraulic pressure to secure the left main landing gear into the down and locked position. Contributing to the fatigue failure was the NLG end cap’s non-optimum grain…NTSB ERA11LA239Accident · No injuriesLimited investigationFinal reportBeech BE99 · Cedartown, GAThe failure of the left main landing gear bearings and supports due to inadequate lubrication by unknown maintenance personnel.NTSB WPR11CA142Accident · No injuriesData collectionFinal reportPiper PA-31P-350 · North Bend, ORThe pilot's failure to lower the landing gear while on approach to landing. Contributing to the accident was the pilot's failure to follow a written checklist during the approach portion of the flight.NTSB CEN10LA315Accident · No injuriesLimited investigationFinal reportBeech 1900D · Denver, COThe pre-existent damage of the right-hand landing gear actuator attachment lug which led to fatigue cracking and eventual overload failure resulting in a collapsed gear upon landing.NTSB CEN10LA302Accident · No injuriesLimited investigationFinal reportBeech C90 · Fort Worth, TXThe failure of the nose gear actuator due to insufficient lubrication of the nut assembly threads.NTSB WPR10LA173Accident · No injuriesLimited investigationFinal reportWilliams Yakovlev YAK 3UPW · Half Moon Bay, CAThe failure of left main landing gear actuator to lock in the down position due to low down-lock pressure as a result of a contaminated down-lock track and corroded down-lock balls.NTSB WPR10LA034Accident · No injuriesLimited investigationFinal reportAero Commander 690 · Cedar City, UTThe failure of the landing gear accumulator/regulator and the installation of the improper priority valve, which precluded the landing gear from extending and locking into place.NTSB ERA09LA474Accident · No injuriesLimited investigationFinal reportCessna T210M · Dalton, GAThe failure of the right main landing gear actuator downlock spring.