NTSB investigations, 2011
64 cases where the sequence of events included Sys/Comp malf/fail (non-power).
Cases per year
| 1979 | 1 |
|---|---|
| 2008 | 100 |
| 2009 | 77 |
| 2010 | 54 |
| 2011 | 64 |
| 2012 | 58 |
| 2013 | 49 |
| 2014 | 28 |
| 2015 | 43 |
| 2016 | 40 |
| 2017 | 42 |
| 2018 | 35 |
| 2019 | 34 |
| 2020 | 39 |
| 2021 | 57 |
| 2022 | 61 |
| 2023 | 66 |
| 2024 | 62 |
| 2025 | 53 |
| 2026 | 32 |
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 year(c.\"eventDate\") = 2011
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 year(c."eventDate") = 2011 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 DCA12MA020Accident · 5 fatalClass 1 · MajorFinal reportEurocopter France AS350B2 · Las Vegas, NVSundance Helicopters’ inadequate maintenance of the helicopter, including (1) the improper reuse of a degraded self-locking nut, (2) the improper or lack of installation of a split pin, and (3) inadequate postmaintenance inspections, which resulted in the…NTSB CEN12LA111Accident · Minor injuriesLimited investigationFinal reportCurtiss Wright P40M · Batavia, OHA loss of engine power due to failure of the engine oil cooler and subsequent oil starvation to the engine.NTSB ENG12IA013Incident · No injuriesIncident investigationFinal reportBeech 1900D · Denver International Airport, COA failure of the nose landing gear end cap due to fatigue. Contributing to the failure were the ineffective inspection and the unknown effect of grain direction on fatigue life.NTSB WPR12LA052Accident · No injuriesLimited investigationFinal reportBeech 76 · San Carlos, CAThe collapse of the right main landing gear during the turn off the runway due to the failure of the A-frame assembly.NTSB DCA12WA030Incident · No injuriesForeign investigationBoeing 777 · Maldives, MaldivesThe UAE General Civil Aviation Authority (GCAA) has notified the NTSB of an incident involving a Boeing 777 that occurred on December 2, 2011. The NTSB has appointed a U.S. Accredited Representative to assist the GCAA investigation under the provisions of…NTSB ERA12IA090Incident · No injuriesIncident investigationFinal reportCessna 402B · Nantucket, MAThe failure of the right main fuel tank transfer pump, which resulted in a total loss of engine power on the right engine during approach due to fuel starvation, and a subsequent hard landing. Contributing to the incident was the pilot's operation of the…NTSB CEN12LA087Accident · No injuriesLimited investigationFinal reportAviat A-1B · Gainesville, TXThe right main gear tire contacting the brake caliper, which resulted in an uncommanded brake effect on the wheel.NTSB ANC12CA010Accident · No injuriesData collectionFinal reportCessna A185F · Talkeetna, AKA broken wheel/ski clevis pin, which allowed the ski to pivot upward and strike the right wing lift strut.NTSB WPR12LA039Accident · Serious injuriesLimited investigationFinal reportWilliams Helicopter UH-1H · Grand Canyon, AZThe loss of main rotor power due to a main rotor transmission failure from a lack of lubrication.NTSB ANC12TA008Accident · No injuriesFinal reportBellanca 8GCBC · Delta Junction, AKIce accretion in the main landing gear wheel brakes, which prevented the main landing gear wheels from rotating on landing, which resulted in the airplane nosing over.NTSB ERA12LA070Accident · No injuriesLimited investigationFinal reportCessna 172RG · Kissimmee, FLA fatigue failure of the right main landing gear pivot assembly, which prevented the landing gear from extending.NTSB CEN12RA052Accident · 3 fatalClass 5 · ForeignBell 206L · Kapuskasing, CanadaOn November 2, 2011, about 0958 eastern daylight time (EDT), a Bell 206L helicopter, Canadian registration C-GDQH, was substantially damaged during an in-flight collision with terrain in Kapuskasing, Ontario, Canada. The pilot and 2 passengers sustained fatal…NTSB CEN12LA023Accident · No injuriesLimited investigationFinal reportPiper PA-28-235 · Wadsworth, OHThe failure of the brake system during the landing roll, which was caused by a loss of hydraulic fluid as a result of a leak in the piston seal due to brake plates worn beyond their service limits.NTSB ERA11LA507Accident · No injuriesLimited investigationFinal reportMitsubishi MU-2B-25 · Atlanta, GAThe improper installation of the nose landing gear strut and subsequent collapse of the nose landing gear during landing.NTSB CEN11IA649Incident · No injuriesIncident investigationFinal reportAirbus Industrie A320-211 · Chicago, ILThe infiltration of moisture into the windshield heating layer that induced arcing in the heating system that subsequently cracked the windshield.NTSB ANC11CA095Accident · No injuriesData collectionFinal reportCessna 170A · Anchorage, AKThe fracture of a hydraulic brake line fitting due to incorrect installation of the brake line by the pilot/owner, which resulted in a loss of brake pressure and subsequent loss of directional control during the landing roll.NTSB ERA11CA482Accident · No injuriesData collectionFinal reportQuestair Venture · Memphis, TNThe pilot's inability to maintain directional control during landing with a flat tire. Contributing to the accident was the failure of the left main landing gear tire for undetermined reasons.NTSB CEN11LA601Accident · Minor injuriesLimited investigationFinal reportVan's RV-12 · Windom, MNThe pilot's loss of airplane control after liftoff due to his distraction with the unsecured canopy, which he did not lock before takeoff.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 ERA11CA471Accident · No injuriesData collectionFinal reportPayne/Foster Glasair · Ocala, FLThe failure of the tailwheel locking mechanism to remain engaged while landing in a crosswind, which resulted in a loss of directional control and runway excursion.NTSB ERA11WA472Accident · 4 fatalForeign investigationAgusta AW139 · BrazilOn August 19, 2011, at 1948 coordinated universal time (16:48 local time), an Agusta, AW139, helicopter, Brazilian registration PT-SEK, impacted into the Atlantic Ocean, near an oil rig, identifier P-65, the helicopter sank in waters with a recorded floor…NTSB CEN11LA596Accident · No injuriesLimited investigationFinal reportSuminski Walter M Jabiru SP · Columbia, ILSeparation of the right main wheel during landing rollout for undetermined reasons.NTSB WPR11CA358Accident · No injuriesData collectionFinal reportMcdonald Lynn B Avid Flyer Mark IV · Yamhill, ORThe pilot’s loss of directional control during landing rollout due to an unlocked tail wheel that was caused by a degradation of the tailwheel assembly mounting angle.NTSB CEN11CA523Accident · No injuriesData collectionFinal reportCessna 195 · Oshkosh, WIThe failure of the left brake which resulted in a ground-loop.NTSB ANC11CA072Accident · No injuriesData collectionFinal reportAeronca 7AC · McCarthy, AKThe separation of the right main landing gear oleo strut assembly, resulting in the collapse of the main landing gear during the landing roll.NTSB CEN11LA494Accident · No injuriesLimited investigationFinal reportCessna T210L · Columbia, MOThe collapse of the right main landing gear during landing due to a lack of component lubrication, which resulted in the failure of the landing gear to lock once extended.NTSB ERA11LA392Accident · Minor injuriesLimited investigationFinal reportRobinson Helicopter R22 Beta · West Palm Beach, FLSeparation of the auxiliary fuel tank cap, which entered the tail rotor system. Contributing to the accident was the lack of a fuel tank cap restraint.NTSB ERA11CA396Accident · No injuriesData collectionFinal reportPiper PA-30 · Plant City, FLThe failure of a screw in the nose landing gear aligner assembly for undetermined reasons, which prevented the landing gear from fully extending.NTSB WPR11LA303Accident · Serious injuriesLimited investigationFinal reportArrow Falcon Exporters OH-58C · Brentwood, CAThe failure of the main rotor mast due to fatigue cracking originating from corrosion pits.NTSB WPR11LA313Accident · No injuriesLimited investigationFinal reportPiper PA 46-350P · Flagstaff, AZFatigue failure of an engine mount attachment foot, which resulted in collapse of the nose landing gear during landing. Contributing to the accident was the failure of the owner/operator to adhere to the manufacturer's suggested engine mount inspection…NTSB CEN11LA418Accident · No injuriesLimited investigationFinal reportPiper PA-28R-201 · Rantoul, ILThe pilot did not use the emergency landing gear extension system, which resulted in a wheels-up landing. Contributing to the accident was the inoperative landing gear power pack motor.NTSB WPR11LA282Accident · No injuriesLimited investigationFinal reportHiller UH12E · Hanford, CAThe separation of the tail rotor drive gear shaft due to torsional fatigue of its threaded portion, which resulted in a loss of tail rotor control.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 CEN11WA412Accident · Serious injuriesForeign investigationMcDonnell Douglas Helicopter 369E · Glastonbury, United KingdomOn June 19, 2011, at 1420 universal coordinated time (UTC), a McDonnell Douglas Helicopter Company model 369E, United Kingdom registration G-KSWI, s/n 0204E, was substantially damaged during an emergency landing after experiencing a mechanical failure of the…NTSB WPR11LA265Accident · No injuriesLimited investigationFinal reportAerovodochody L-29 Delfin · Reno, NVThe failure of a modified engine mount to keep the engine properly aligned, which resulted in partial failure of the rudder support structure due to the deflection of the jet engine exhaust.NTSB CEN11CA387Accident · No injuriesData collectionFinal reportBeech B200 · Waukegan, ILThe lightning strike during an en route descent.NTSB CEN11IA379Incident · No injuriesIncident investigationFinal reportBombardier CL-600-2B19 · Milwaukee, WIThe failure of the right main landing gear (MLG) to extend normally, which resulted from the combination of a slightly worn uplock pin, the operation of the hydraulic pumps below their specified operating pressures, and contamination within the landing gear…NTSB CEN11CA410Accident · No injuriesData collectionFinal reportTaft, Malcolm J SR Glastar · Canon City, COA loss of engine power due to an overheated engine as a result of a malfunction of the modified engine cooling system, necessitating a forced landing on unsuitable terrain.NTSB CEN11IA369Incident · No injuriesIncident investigationFinal reportEmbraer EMB-145 · Chicago, ILThe overheat and failure the brake during landing due to oxidation of the brake rotors, which went undetected by maintenance personnel. Contributing to the accident was maintenance personnel’s lack of familiarity with detailed brake oxidation inspection…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 WPR11LA363Accident · No injuriesLimited investigationFinal reportCessna 340A · Fullerton, CAThe pilot's inability to maintain directional control during landing due to the left brake's degraded performance due to oil contamination, which resulted from the fatigue failure of an oil line component.NTSB ERA11IA320Incident · No injuriesIncident investigationFinal reportRobinson Helicopter R22 Mariner · Redding, CTThe pilot's inadequate helicopter preflight inspection and the mechanic’s inadequate annual inspection, both of which failed to detect a worn bolt in the tail rotor teeter hinge prior to its fracture due to fatigue.NTSB DCA11PA075Accident · Minor injuriesFinal reportBoeing 707-321B · Point Mugu, CAthe failure of a midspar fitting, which was susceptible to fatigue cracking and should have been replaced with a newer, more fatigue-resistant version of the fitting as required by an airworthiness directive. Also causal was an erroneous maintenance entry…NTSB WPR11LA218Accident · No injuriesLimited investigationFinal reportPiper PA46-500TP · Rock Springs, WYThe overstress fracture of the right aileron midspan hinge bracket due to modal vibrations created by a deflated right main landing gear tire during the takeoff roll.NTSB CEN11LA315Accident · No injuriesLimited investigationFinal reportHughes 269B · Edgerton, INA loss of clearance between the tail rotor drive shaft and the tailboom bulkhead for undetermined reasons, which resulted in the overstress failure of the drive shaft.NTSB WPR11LA205Accident · Minor injuriesLimited investigationFinal reportBennett Midjet Mustang I · Ramona, CAThe pilot's inability to maintain directional control during the landing roll due to the overload separation of the left brake master cylinder from the left rudder pedal assembly.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 WPR11CA197Accident · No injuriesData collectionFinal reportXtremeair Sbach 342 · Springerville, AZThe pilot's failure to properly secure loose objects in the cockpit area which resulted in a personal locator beacon becoming lodged in the elevator control torque tubes, restricting flight control movement.NTSB ENG11IA021Incident · No injuriesIncident investigationFinal reportBombardier DHC 8 402 · Pittsburgh, PAthe flight crew's delay in shutting down the left engine following an engine oil pressure master warning, which led to a hard rub inside the engine that served as an ignition point for a titanium fire. Contributing to the event was a PW150 No. 5 seal design…NTSB ERA11LA191Accident · No injuriesLimited investigationFinal reportCessna 414 · New York, NYThe improper rigging of the right main landing gear, which resulted in ovestress fractures of a bolt and aft lug on the trunnion assembly.