Final NTSB investigations
831 cases where the sequence of events included Sys/Comp malf/fail (non-power).
Cases per year
| 1979 | 1 |
|---|---|
| 2008 | 100 |
| 2009 | 75 |
| 2010 | 51 |
| 2011 | 59 |
| 2012 | 52 |
| 2013 | 48 |
| 2014 | 23 |
| 2015 | 40 |
| 2016 | 30 |
| 2017 | 34 |
| 2018 | 30 |
| 2019 | 28 |
| 2020 | 32 |
| 2021 | 43 |
| 2022 | 48 |
| 2023 | 46 |
| 2024 | 52 |
| 2025 | 27 |
| 2026 | 12 |
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.\"completionStatus\" = 'Completed'
AND c.\"mKey\" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.\"tier2Number\" = '330' 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."completionStatus" = 'Completed' AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '330' 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 WPR26LA203Accident · No injuriesClass 4 · LimitedFinal reportPzl-Swidnik PW-5 · Soap Lake, WAThe pilot’s failure to ensure the proper preflight assembly of the glider's wing attachment system, which resulted in substantial damage to the wing structure during flight.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 WPR26LA159Accident · Minor injuriesClass 4 · LimitedFinal reportCirrus Design SR22T · Fullerton, CAThe pilot’s loss of control during takeoff, due to the seat sliding aft.NTSB CEN26LA166Accident · No injuriesClass 4 · LimitedFinal reportDiamond Aircraft Ind DA 42 NG · Colorado Springs, COMaintenance personnel's installation of an oversized tire, which prevented the left main landing gear from extending resulting in a precautionary gear up landing.NTSB CEN26LA163Accident · No injuriesClass 4 · LimitedFinal reportTextron T206H · Wichita, KSThe flight crew’s failure to ensure that the rear cargo door was properly latched before flight.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 WPR26LA143Accident · No injuriesClass 4 · LimitedFinal reportPaul D Cannon Kitfox Light Squared · Lincoln, CAThe pilot's failure to properly flare the airplane during landing, which resulted in a hard landing and separation of the main landing gear. Contributing to the accident was the improper installation and over torquing of the landing gear attachment hardware,…NTSB DCA26LA151Accident · No injuriesClass 4 · LimitedFinal reportFairchild SA227-AC · Denver, COThe overstress failure of the left main landing gear lower drag brace links during takeoff which resulted in a runway excursion during landing due to the left main landing gear collapsing.NTSB ERA26LA113Accident · No injuriesClass 4 · LimitedFinal reportCessna 320C · Bartow, FLMaintenance personnel’s failure to perform an adequate inspection of the airplane’s landing gear, which resulted in a collapse of the left main landing gear during landing.NTSB WPR26LA102Accident · No injuriesClass 4 · LimitedFinal reportCessna 172M · Nampa, IDThe pilot’s failure to verify that the seat locking pins were fully engaged before takeoff, which allowed the seat to slide aft during the takeoff roll and resulted in a loss of directional control.NTSB CEN26LA105Accident · Minor injuriesClass 4 · LimitedFinal reportCessna 441 · Pflugerville, TXThe pilot’s failure to maintain airplane control during a rejected takeoff due to a flat nose wheel tire which resulted in a runway excursion and impact with terrain. Contributing to the accident was pilot fatigue which delayed the rejected takeoff.NTSB WPR26LA075Accident · No injuriesClass 4 · LimitedFinal reportMaule M-5-235C · Jay Em, WYThe loss of directional control and subsequent nose over due to the inadvertent engagement of the right wheel parking brake as a result of cabin floor carpeting migrating between the right brake master cylinder and parking brake locking lever.NTSB ERA26LA076Accident · No injuriesClass 4 · LimitedFinal reportCessna 172N · East Farmingdale, NYA loss of brake effectiveness during taxi, which resulted in a collision with another airplane.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 ERA26LA028Accident · No injuriesClass 4 · LimitedFinal reportConsolidated Vultee 28-5ACF · Dayton, TNThe collapse of the left main landing gear due to the fatigue fracture of the lower landing gear actuator bolt.NTSB WPR26LA029Accident · No injuriesClass 4 · LimitedFinal reportRoderick James Willmore Kitfox S7 Supersport · Kilgore, IDThe pilot's failure to maintain directional control during the takeoff. Contributing to the accident was the separation of the control stick grip.NTSB CEN25LA398Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-60-601P · Del Norte, COThe loss of directional control during landing roll due to a flat tire.NTSB CEN25LA392Accident · No injuriesClass 4 · LimitedFinal reportDiamond DA20-C1 · Terre Haute, INThe failure of the nose landing gear strut and associated nosewheel separation during takeoff.NTSB CEN25LA382Accident · No injuriesClass 4 · LimitedFinal reportBeech C23 · South Bend, INThe pilot’s failure to maintain control of the airplane during a go around which resulted in an aerodynamic stall. Contributing to the accident was the loss of directional control during the landing roll.NTSB ERA25LA337Accident · No injuriesClass 4 · LimitedFinal reportLarocca Roch B Eracer MK II · Mount Pleasant, SCThe failure of the nose gear actuator bolt during the landing roll, which resulted in the collapse of the nose landing gear and subsequent runway excursion.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 ERA25LA339Accident · No injuriesClass 4 · LimitedFinal reportCirrus Design SR20 · Charleston, WVA flat left main landing gear tire, which resulted in a loss of directional control and runway excursion during landing.NTSB CEN25LA333Accident · No injuriesClass 4 · LimitedFinal reportParks Fokker D-VII Replica · Englewood, COA malfunction of the tailwheel which resulted in a runway excursion and ground loop.NTSB DCA25LA275Accident · No injuriesClass 4 · LimitedFinal reportBoeing 737-8 · Denver, COThe failure of the airplane’s left main landing gear tires and wheels during the takeoff roll due to the thermal relief plugs melting and releasing tire pressure, which resulted in abnormal airplane handling characteristics and led the flight crew to reject…NTSB CEN25LA287Accident · No injuriesClass 4 · LimitedFinal reportAerotek Pitts S-2A · New Holstein, WIThe pilot’s loss of direction control during landing due to an unapproved tailwheel assembly and tail spring that resulted in a tailwheel shimmy and a subsequent ground loop.NTSB ANC25LA076Accident · No injuriesClass 4 · LimitedFinal reportCessna 180H · Gulkana, AKThe failure of the left rudder assembly which resulted in a runway excursion and ground loop.NTSB ANC25LA059Accident · No injuriesClass 4 · LimitedFinal reportCessna 170B · Denali Park, AKThe failure of the left main landing gear spring due to a fatigue fracture during landing on uneven terrain.NTSB ERA25LA223Accident · No injuriesClass 4 · LimitedFinal reportPiper PA22 · Hebron, OHThe airplane owner and pilot’s intentional allowance of unapproved maintenance and maintenance personnel’s failure to adequately maintain or service the brake system, which resulted in a total loss of brake pressure.NTSB CEN25LA174Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-44-180 · Saint James, MNThe failure of the left main landing gear tire casing and tube due to excessive wear which resulted in a loss of directional control during the landing.NTSB WPR25LA178Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-28R-200 · Vancouver, WAA failure of the brake system during landing due to a hydraulic fluid leak, which resulted in a runway excursion.NTSB WPR25LA122Accident · No injuriesClass 3 · LimitedFinal reportBeech C90A · Helena, MTThe failure of the left main landing gear to fully extend and lock as a result of broken downlock switch wires and the failure of the pilots to complete the manual gear extension checklist.NTSB ANC25LA030Accident · No injuriesClass 3 · LimitedFinal reportCessna A185F · Skwentna, AKMaintenance personnel’s reuse of worn hardware during the installation of the landing gear assembly and the hardware’s failure and subsequent separation of the gear leg from the landing gear box assembly during taxi.NTSB ANC25LA021Accident · Minor injuriesClass 3 · LimitedFinal reportGippsland GA-8 · Lihue, HIThe failure of the right landing gear leg due to a fatigue crack, which resulted in its separation from the airplane during taxi. Contributing to the accident, was the mechanic’s inadequate inspection of the landing gear leg during the last maintenance…NTSB WPR25LA102Accident · No injuriesClass 3 · LimitedFinal reportCessna 172S · La Verne, CAThe failure of the right main landing gear tubular spring due to a fatigue crack that originated at the airframe connecting bolt hole and progressed to an overstress fracture.NTSB CEN25LA083Accident · No injuriesClass 4 · LimitedFinal reportRaytheon Hawker 800XP · Minneapolis, MNThe failure of the nose landing gear to extend for undetermined reasons.NTSB ERA25LA100Accident · No injuriesClass 4 · LimitedFinal reportConsolidated Aeronautics Lake LA-4-200 · Orange, MAFailure of the left main landing gear to fully extend and lock for undetermined reasons as a functional test of the landing gear system could not duplicate the anomaly.NTSB ERA25LA096Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-44-180 · Pompano Beach, FLThe separation of the securing hardware for the right main landing gear upper and lower torque links for undetermined reasons, which prevented extension of the right main landing gear.NTSB ERA25LA091Accident · No injuriesClass 3 · LimitedFinal reportHelio HT-295 · Marion, OHThe failure of the right main landing gear spring due to intergranular stress-corrosion cracking that progressed into fatigue. Contributing to the accident was the improper rework of the spring at an undetermined time.NTSB CEN25LA068Accident · Minor injuriesClass 4 · LimitedFinal reportCirrus Design SR22T · Lubbock, TXThe loss of directional control during the takeoff roll for undermined reasons that resulted in an impact with trees.NTSB ERA25LA094Accident · No injuriesClass 4 · LimitedFinal reportBeech 58 · Florence, SCThe pilot’s failure to follow the emergency procedures and extend the landing gear manually after the landing gear did not initially extend normally.NTSB CEN25LA061Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-28R-200 · Crystal, MNThe malfunction of the landing gear system which resulted in a collapse of the main landing gear during the landing roll.NTSB WPR25LA059Accident · No injuriesClass 4 · LimitedFinal reportBoeing A75N1(PT17) · El Cajon, CAThe pilot’s inability to maintain directional control during landing with a flat tire.NTSB ERA25LA070Accident · Serious injuriesClass 4 · LimitedFinal reportWilliam M Clapp CLAPP-SABERWING · Valdosta, GAA hard landing and subsequent gear collapse due to the pilot’s failure to securely close the airplane canopy and its subsequent opening on short final.NTSB ANC25LA009Accident · No injuriesClass 3 · LimitedFinal reportCessna 180 · Egegik, AKA failure of the right main landing gear leg for reasons that could not be determined.NTSB ERA25LA068Accident · No injuriesClass 4 · LimitedFinal reportDiamond Aircraft Ind DA 42 NG · Daytona Beach, FLThe maintenance technician’s failure to follow the manufacturer’s recommended procedures during a wheel and tire change to ensure proper clearance of the tire to the wheel well resulting in the right main wheel becoming stuck in the well and subsequent…NTSB ERA25LA030Accident · No injuriesClass 3 · LimitedFinal reportZenith Zodiac 601 HDS · Altoona, PAThe total loss of engine power due to fuel starvation as a result of a deteriorated gascolator gasket. Contributing was the failure of the mechanic to replace the gasket during the most recent condition inspection.NTSB CEN25LA013Accident · Minor injuriesClass 3 · LimitedFinal reportRotorway Exec · Plymouth, INA loss of control due to the failed forward tail rotor belt as a result of the owner’s failure to follow the helicopter manufacturer’s tail rotor belt replacement recommendations.NTSB CEN25LA009Accident · Serious injuriesClass 3 · LimitedFinal reportQuicksilver GT 400 · Garden Ridge, TXA loss of engine power that resulted from improper fuel system maintenance and the subsequent fuel starvation due to the leaking fuel pump outlet fuel line.NTSB CEN25LA007Accident · No injuriesClass 3 · LimitedFinal reportMooney M20E · Richmond, TXThe partial separation of a portion of the propeller spinner and its mounting bulkhead along with the upper cowl fairing while in a full-power climb.NTSB CEN25LA002Accident · No injuriesClass 4 · LimitedFinal reportAir Tractor AT-402A · Moffett, OKThe tail wheel assembly’s fractured bolt which resulted in the pilot’s loss of directional control during landing.