NTSB investigations

103 cases where NTSB found Maintenance/inspections, general.

Cases per year

20082026
NTSB investigations per year, 2008–2026: 103 cases
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200910
20109
20119
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201410
201515
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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\", '01010500'))
  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.

NTSB ERA25LA064Accident · Serious injuriesClass 3 · LimitedFinal reportAMS Flight D O O Carat A · Centralhatchee, GAMaintenance personnel’s failure to comply with the engine manufacturer’s guidance, which resulted in improper valvetrain clearances, unseating of the intake valve keepers, and a total loss of engine power.Nov 20, 2024 · N17GF · Substantial damageNTSB ERA25LA012Accident · Serious injuriesClass 3 · LimitedFinal reportPiper PA28 · Louisville, KYA total loss of engine power for undetermined reasons.Oct 11, 2024 · N5006W · Substantial damageNTSB WPR24LA260Accident · No injuriesClass 3 · LimitedFinal reportKitfox Series V · La Grande, ORSeparation of the propeller blades from progressive damage at the blade roots due to overtightening of the hub bolts.Jul 23, 2024 · N53562 · Substantial damageNTSB CEN24LA315Accident · No injuriesClass 3 · LimitedFinal reportGrumman American Avn. AA-5B · Camdenton, MOThe inadequate maintenance of the seat locking mechanism, which resulted in the pilot’s seat sliding back during takeoff and a subsequent loss of control.Jul 11, 2024 · N23JK · Substantial damageNTSB CEN23FA314Accident · 1 fatalClass 3 · FieldFinal reportPiper PA-31P · Kearney, MOThe pilot’s decision to operate an airplane with known fuel leaks, his failure to conduct an engine run-up before takeoff, his subsequent failure to abort the takeoff, and the mechanic’s inadequate maintenance, which resulted in a partial loss of right engine…Jul 20, 2023 · N200RA · DestroyedNTSB CEN23LA255Accident · Serious injuriesClass 4 · LimitedFinal reportPiper PA-25-235 · Westhope, NDThe pilot’s failure to maintain aircraft control that resulted in an impact with terrain after takeoff.Jun 22, 2023 · N7419Z · Substantial damageNTSB ENG23LA030Incident · No injuriesClass 3 · LimitedFinal reportGulfstream Aerospace G-IV · Sioux City, IAA No. 2 (right) engine failure due to a spinner fairing separation and subsequent impact with the fan blades that resulted in a midspan fracture of one fan blade. The spinner fairing separated as a result of a fatigue crack that originated from the heat…Jun 17, 2023 · N926TT · Minor damageNTSB ERA23LA218Accident · Serious injuriesClass 3 · LimitedFinal reportPiper PA-28-180 · Greenville, NCInadequate maintenance by the operator and maintenance personnel, which resulted in a loss of engine power due to oil starvation.May 5, 2023 · N180LR · Substantial damageNTSB CEN23LA062Accident · Serious injuriesClass 3 · LimitedFinal reportMooney M20K · Addison, TXThe fatigue failure of the engine’s camshaft gear teeth which resulted in a loss of all engine power. Contributing to the accident was the non-compliance with the engine manufacturer’s recommended service bulletin.Dec 13, 2022 · N231GZ · Substantial damageNTSB ERA22LA242Accident · No injuriesClass 3 · LimitedFinal reportAeronca 7EC · Putnam Valley, NYA total loss of engine power during cruise flight due to fuel starvation resulting from obstructed forward and aft vent outlets in the left fuel tank.May 25, 2022 · N7410B · Substantial damageNTSB ERA22LA117Accident · No injuriesClass 3 · LimitedFinal reportHughes 369D · Bel Air, MDA loss of engine power due to bearing failures in the turbine section resulting from a fatigue fracture of the oil supply line that fed oil to the Nos. 6 and 7 bearings. The oil line failure led to rapid deterioration of the bearings from oil starvation.…Feb 9, 2022 · N9159F · Substantial damageNTSB WPR22LA090Accident · Minor injuriesClass 3 · LimitedFinal reportTextron TTX Inc. T240 · Ravendale, CAThe inadequate maintenance and inspection of the engine induction system, which resulted in the separation of the right induction tube from the turbocharger compressor outlet and the subsequent loss of engine power during departure.Jan 28, 2022 · N420WT · Substantial damageNTSB CEN22LA068Accident · Serious injuriesClass 4 · LimitedFinal reportCHR International Safari 400 · McKinney, TXThe pilot did not remove the cyclic control lock during preflight, which resulted in a loss of control during the initial hover.Dec 9, 2021 · N666JS · Substantial damageNTSB ERA21LA170Accident · No injuriesClass 3 · LimitedFinal reportMooney M20C · College Park, MDImproper maintenance of the airplane by its owners and their failure to have qualified maintenance personnel determine the root cause of water infiltration into the fuel system. Also causal was the pilot’s inadequate preflight inspection, which failed to…Apr 3, 2021 · N2953L · Substantial damageNTSB CEN21LA138Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 182F · Millville, IAThe inadequate maintenance/inspection of the airplane, which resulted in a total loss of engine power due to oil starvation.Feb 24, 2021 · N3209U · Substantial damageNTSB CEN20CA139Accident · Serious injuriesData collectionFinal reportRans S-12 Airaile · Hillrose, COThe noncertificated pilot's diverted attention while looking at a fire during low-altitude flying, which resulted in a collision with power lines.Apr 4, 2020 · UNREG · Substantial damageNTSB CEN20LA041Accident · No injuriesClass 3 · LimitedFinal reportCessna 525A · Scotts Bluff, NEThe installation of incorrect mounting hardware to secure the right engine cowl, which resulted in an in-flight separation and impact with the horizontal stabilizer and elevator.Dec 18, 2019 · CGOJG · Substantial damageNTSB CEN19FA279Accident · 2 fatalClass 3 · FieldFinal reportAero Commander 200 · Howell, MIThe improper installation of the engine’s metal intake screen, which allowed the filter element to become displaced and subsequently lodge in the intake, blocking intake air and causing the total loss of engine power, at low altitude and low airspeed…Aug 20, 2019 · N200HS · Substantial damageNTSB WPR19MA177Accident · 11 fatalClass 2 · MajorFinal reportBeech 65-A90 · Mokuleia, HIThe pilot’s aggressive takeoff maneuver, which resulted in an accelerated stall and subsequent loss of control at an altitude that was too low for recovery. Contributing to the accident were (1) the operation of the airplane near its aft center of gravity…Jun 22, 2019 · N256TA · DestroyedNTSB ERA19LA143Accident · No injuriesClass 3 · LimitedFinal reportCessna 175 · Edgefield, SCThe total loss of engine power due to a stuck engine exhaust valve. Contributing to the loss of engine power was the pilot’s failure to properly address the recurring stuck exhaust valve issue.Apr 4, 2019 · N7622M · Substantial damageNTSB ANC18LA058Accident · No injuriesLimited investigationFinal reportRobinson R44 · Bettles, AKMaintenance personnel's application of insufficient preload on the attachment hardware for the idler gear shaft during engine overhaul, which resulted in the dismounting of the idler gear shaft assembly due to wear and deformation and the subsequent total…Jul 29, 2018 · N744AK · Substantial damageNTSB ERA18LA181Accident · Serious injuriesClass 3 · LimitedFinal reportBeech 35B33 · Berlin, MDThe failure of the No. 3 cylinder exhaust valve, which resulted in the total loss of engine power during takeoff.Jun 29, 2018 · N9745Y · Substantial damageNTSB ERA18LA163Accident · Minor injuriesLimited investigationFinal reportVans RV4 · Butler, PAThe pilot's improper decision to fly the airplane with a known engine problem and his improper modification of the engine control unit fuel delivery software, which led to the engine running too lean and resulted in a total loss of engine power during climb.Jun 7, 2018 · N7765X · Substantial damageNTSB CEN18CA072Accident · No injuriesData collectionFinal reportBell Helicopter Textron Canada 407 · Norfolk, NEMaintenance personnel’s failure to properly secure the tail rotor drive shaft cover, which resulted in the cover departing the helicopter in flight.Jan 5, 2018 · N214AM · Substantial damageNTSB CEN17LA368Accident · 1 fatalLimited investigationFinal reportEris E. Ervin Quicksilver · Cleburne, TXAn engine loss of power due to fuel starvation from a broken fuel line between the fuel tank and the engine; the loss of engine power prevented the pilot from reaching a suitable landing area. Contributing to the accident was the inadequate maintenance of the…Sep 25, 2017 · N5112S · DestroyedNTSB WPR17LA188Accident · Minor injuriesLimited investigationFinal reportRobinson Helicopter R44 II · El Dorado Hills, CAMaintenance personnel's inadequate routine maintenance on the helicopter engine, which led to low cylinder compression, improper magneto timing, and camshaft lobe wear, which subsequently resulted in degraded engine performance.Aug 26, 2017 · N61NM · Substantial damageNTSB CEN17LA224Accident · No injuriesLimited investigationFinal reportMckenna SD-1A · Juneau, WIThe pilot’s difficulty controlling the airplane due to his incorrect reinstallation of the wings, which led to a bounced precautionary landing. Contributing to the accident was the failure of the pilot and the mechanic to verify the wings’ angle of incidence.Jun 7, 2017 · N31313 · Substantial damageNTSB WPR17LA102Accident · Minor injuriesLimited investigationFinal reportPiper PA 18A · Coeur D'Alene, IDThe loss of yaw control due to an inadequately compressed rudder swage, which resulted from inadequate maintenance and led to the separation of the forward right rudder cable.May 8, 2017 · N245KW · Substantial damageNTSB WPR17LA097Accident · Serious injuriesLimited investigationFinal reportRobinson Helicopter R44 · Santa Barbara, CAA total loss of engine power during cruise flight due to the failure of an engine piston rod for reasons that could not be determined due to extensive damage.May 5, 2017 · N981RR · DestroyedNTSB CEN17LA019Accident · Serious injuriesLimited investigationFinal reportBellanca 17-31A · Mc Alester, OKA total loss of engine power during initial climb due to fuel starvation.Oct 16, 2016 · N93668 · Substantial damageNTSB CEN17LA018Accident · Minor injuriesLimited investigationFinal reportPiper PA 18-150 · Jasper, TXA partial loss of engine power for reasons that could not be determined, because an examination of the airplane did not identify a specific reason for the loss of engine power.Oct 15, 2016 · N9473D · Substantial damageNTSB CEN16LA339Accident · Serious injuriesLimited investigationFinal reportRans Coyote S 4 · Clarksville, TXThe total loss of engine power due to a deteriorated and disconnected fuel line, which resulted in fuel starvation and a subsequent hard, off-field landing.Aug 27, 2016 · N8024J · Substantial damageNTSB WPR16LA141Accident · Minor injuriesLimited investigationFinal reportLuscombe 8A · Minden, NVThe failure of a main landing gear leg during takeoff due to corrosion, which resulted in a nose-over during the subsequent landing on a grassy area.Jul 17, 2016 · N2759K · Substantial damageNTSB ERA16LA202Accident · Minor injuriesLimited investigationFinal reportBell 407 · Mountain City, TNAn incorrect and unapproved repair of the engine compressor diffuser performed by a machinist at a repair facility, which resulted in failure of the compressor diffuser aft plate and a partial loss of engine power.Jun 3, 2016 · N4999 · Substantial damageNTSB ERA16LA066Accident · Serious injuriesLimited investigationFinal reportRaytheon A36 · Fayetteville, NCMaintenance personnel's application of an unapproved sealant to the engine case halves during engine overhaul, contrary to manufacturer's instructions, which resulted in lubrication restriction due to a bearing shift and the subsequent internal failure of the…Dec 12, 2015 · N3241N · Substantial damageNTSB CEN16LA033Accident · Serious injuriesLimited investigationFinal reportCessna 120 · Gonzales, LAMaintenance personnel’s improper installation of the carburetor during recent maintenance, including the omission of a required cotter pin, which resulted in a total loss of engine power.Nov 6, 2015 · N2942N · Substantial damageNTSB CEN16LA035Accident · Minor injuriesLimited investigationFinal reportGlimn Kitfox 2-3 · Escanaba, MIThe airplane owner's inadequate maintenance and servicing of the propeller gearbox, which resulted in oil starvation, failure of the gearbox in flight, and a subsequent loss of propeller thrust. Contributing to the outcome was the airplane's low altitude at…Nov 3, 2015 · N93TG · Substantial damageNTSB CEN16FA013Accident · 2 fatalField investigationFinal reportCessna 421B · Hammond, LAThe loss of right engine power on takeoff due to maintenance personnel's failure to properly tighten the crankcase through-studs during cylinder replacement, which resulted in crankshaft fracture. Also causal were the pilot's failure to feather the propeller…Oct 14, 2015 · N33FA · DestroyedNTSB CEN15LA330Accident · Minor injuriesLimited investigationFinal reportGrumman G-164A · Emmett, KSThe engine failure due to several loose, damaged cylinder stud nuts and hold-down bolts. Contributing to the accident was maintenance personnel’s failure to detect that the cylinder nuts and hold-down bolts were not properly secured during the engine’s most…Jul 31, 2015 · N963X · Substantial damageNTSB CEN15LA329Accident · 1 fatalLimited investigationFinal reportO'Dell Aeromaster · Sulphur Springs, TXA total loss of engine power for reasons that could not be determined because postimpact damage precluded a thorough examination of the airplane. Contributing to the accident was the pilot's failure to maintain control following the loss of engine power,…Jul 31, 2015 · N55J · DestroyedNTSB ERA15LA263Accident · Minor injuriesLimited investigationFinal reportCessna 210 5A(205A) · Stafford Twp, NJThe total loss of engine power due to the failure of the crankshaft, which resulted from a mechanic's failure to properly torque the engine cylinder through bolts.Jul 12, 2015 · N315EC · Substantial damageNTSB CEN15LA284Accident · Serious injuriesLimited investigationFinal reportCessna TR182 · Casper, WYThe improper repair of the carburetor heat cable sheath to clamp joint, which prevented the proper operation of the carburetor heat and resulted in the loss of engine power.Jun 27, 2015 · N4751S · Substantial damageNTSB CEN15LA233Accident · Minor injuriesLimited investigationFinal reportCessna T206H · Piggott, ARThe loss of engine power due to a malfunctioning magneto. Contributing to the accident was maintenance personnel's improper use of a drill bit instead of a timing pin during magneto installation, which resulted in a section of the drill bit breaking off and…May 15, 2015 · N164CS · Substantial damageNTSB WPR15LA159Accident · Minor injuriesLimited investigationFinal reportGarlick UH-1B · Kettle Falls, WAA total loss of engine power due to foreign object (towel) ingestion. Contributing to the accident was maintenance personnel’s inadequate postmaintenance inspection of the engine.May 8, 2015 · N46969 · Substantial damageNTSB CEN15LA199Accident · Serious injuriesLimited investigationFinal reportCessna 421B · Diboll, TXThe total loss of engine power due to the use of an improper fuel type. Contributing to the accident were the servicing of the airplane with the improper fuel, noncompliance with an airworthiness directive, and the fuel nozzle installed on the fueling truck.Apr 17, 2015 · N421PK · Substantial damageNTSB WPR15FA121Accident · Serious injuriesField investigationFinal reportRyan Aeronautical ST3KR · Santa Monica, CAA total loss of engine power during initial climb when the carburetor main metering jet became unseated, which led to an extremely rich fuel-to-air ratio. Contributing to the accident was the lack of adequate carburetor maintenance instructions. Contributing…Mar 5, 2015 · N53178 · Substantial damageNTSB ERA15LA134Accident · No injuriesLimited investigationFinal reportCirrus Design SR22 · Lexington, KYMaintenance personnel's failure to properly inspect and clean the engine ignition harness spark plug terminals, which resulted in a partial loss of engine power during an attempted takeoff.Feb 19, 2015 · N358CD · Substantial damageNTSB CEN15LA138Accident · No injuriesLimited investigationFinal reportAir Tractor AT 602 · Slaton, TXMaintenance personnel’s improper installation of the engine data monitor (EDM), which was not in accordance with the supplemental type certificate instructions and resulted in engine warning indications and the pilot’s subsequent reaction to the warning…Feb 5, 2015 · N602PB · Substantial damageNTSB ERA15LA092Accident · Serious injuriesLimited investigationFinal reportBeech V35B · Long View, NCThe improper installation of the lower rear crankshaft counterweight snap rings by unknown maintenance personnel, which resulted in the separation of the counterweight and a subsequent total loss of engine power during initial climb.Jan 6, 2015 · N246JT · Substantial damageNTSB ERA15LA087Accident · No injuriesLimited investigationFinal reportMDS Fying Zenith Zodiac CH 650 · Fort Pierce, FLThe inadequate modification of the airplane’s canopy latching mechanism, which resulted in the inadvertent opening of the canopy while on final approach to land and a subsequent loss of pitch control.Dec 30, 2014 · N419PE · Substantial damage