NTSB investigations

371 cases where NTSB found Installation.

Cases per year

20082026
NTSB investigations per year, 2008–2026: 371 cases
200834
200919
201014
201119
201229
201330
201426
201530
201621
201720
201812
201912
202018
202111
202224
202319
202424
20258
20261

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\", '02062035'))
  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 ERA26LA151Accident · Minor injuriesClass 4 · LimitedFinal reportPiper PA-32-260 · Block Island, RIMaintenance personnel’s failure to ensure that the throttle cable was properly secured to the carburetor, which resulted an inflight separation of the throttle cable and the pilots’ inability to control the engine.Mar 25, 2026 · N7081H · Substantial damageNTSB CEN26LA074Accident · Minor injuriesClass 3 · LimitedFinal reportPitts S1S · Carbondale, ILA loss of engine power due to fuel starvation resulting from an uncommanded change to the fuel servo mixture position due to the improperly installed mixture cable.Dec 31, 2025 · N401MS · Substantial damageNTSB 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.Sep 25, 2025 · N361MB · Substantial damageNTSB CEN25LA401Accident · No injuriesClass 3 · LimitedFinal reportCubCrafters CCK-2000 · Thompsonville, MIA total loss of engine power due to a lack of ignition resulting from a fractured alternator ring terminal and the builder’s incorrect installation of the wire connecting to the alternator. Contributing to the total loss of engine power was the failure of the…Sep 7, 2025 · N40DT · Substantial damageNTSB ERA25FA230Accident · 2 fatalClass 3 · FieldFinal reportMooney M20F · Beverly, MAThe pilot’s failure to maintain control of the airplane while maneuvering to return to the airport which resulted in an aerodynamic stall. Contributing to the accident was the improperly installed No. 2 cylinder bottom spark plug by maintenance personnel,…Jun 19, 2025 · N9573M · Substantial damageNTSB ERA25LA215Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA32-300 · Branford, CTMaintenance personnel's improper installation and inspection of the crankshaft gear bolt during major overhaul, which resulted in the crankshaft gear disengaging from the accessory gears which led to a total loss of engine power.Jun 1, 2025 · N2242Z · Substantial damageNTSB CEN25LA168Accident · No injuriesClass 3 · LimitedFinal reportCessna 172N · Longmont, COThe disconnected throttle control that resulted in a loss of engine power due to improper maintenance.May 4, 2025 · N75775 · Substantial damageNTSB WPR25FA146Accident · 1 fatalClass 3 · FieldFinal reportCessna 177RG · Grass Valley, CAAn improperly tightened B-nut fitting at the fuel flow divider, which resulted in a fuel leak and loss of engine power due to fuel starvation, and the inadequate maintenance inspection, which failed to detect and correct the discrepancy.May 1, 2025 · N52156 · Substantial damageNTSB ERA25LA123Accident · No injuriesClass 4 · LimitedFinal reportCessna 172C · Argyle, NYThe mechanic’s incorrect installation of the oil temperature gauge probe in the oil filter adapter and failure to test run the engine for oil leaks after the installation, which resulted in a total loss of oil and the pilot’s decision to perform a…Feb 20, 2025 · N1609Y · Substantial damageNTSB CEN25LA053Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-28R-200 · Boscobel, WIThe ice obstruction of the engine oil breather tube and alternate air outlet, which resulted in a failure of the crankcase oil seal and loss of engine oil. Contributing to the accident was the incorrect engine oil breather tube installed in the airplane by…Dec 2, 2024 · N41997 · Substantial damageNTSB CEN25LA029Accident · Minor injuriesClass 3 · LimitedFinal reportCub Crafters Carbon CUB · Ogallala, NEThe improper installation of the elevator control cable hardware, which resulted in the separation of the elevator control cable and a loss of pitch control in flight.Oct 27, 2024 · N257ST · DestroyedNTSB CEN24LA378Accident · No injuriesClass 3 · LimitedFinal reportPiper PA32 · Caro, MIA total loss of engine power due to maintenance personnel’s failure to properly tighten the fuel supply line B-nut at the fuel servo.Sep 30, 2024 · N31407 · Substantial damageNTSB ANC24FA092Accident · 1 fatalClass 3 · FieldFinal reportJon Bergstedt JP Flyer · Wasilla, AKThe installation of an improperly sized fuel line that did not allow for adequate fuel flow to the engine, resulting in a partial loss of engine power and collision with trees.Sep 14, 2024 · N1202Y · DestroyedNTSB ERA24LA357Accident · No injuriesClass 4 · LimitedFinal reportCessna 172 · Elkwood, VAThe pilot’s failure to correctly reinstall the airplane’s left seat, resulting in the movement of the seat during the takeoff roll, and the subsequent loss of control and runway excursion.Aug 15, 2024 · N8400X · Substantial damageNTSB CEN24LA308Incident · No injuriesClass 3 · LimitedFinal reportCirrus Design SR22T · Tulsa, OKThe mechanic’s improper installation of the alternator wiring connections, which resulted in electrical arcing and thermal damage to the airplane.Aug 3, 2024 · N825JC · Substantial damageNTSB CEN24LA271Accident · Serious injuriesClass 3 · LimitedFinal reportMcdonnell Douglas Helicopter 600N · Eagle Lake, TXThe operator’s improper installation of the fuel system, which resulted in fuel starvation, a loss of engine power, and impact with terrain.Jul 16, 2024 · N609RP · DestroyedNTSB WPR24LA248Accident · No injuriesClass 3 · LimitedFinal reportCessna 150M · Ritzville, WAMaintenance personnel’s improper installation of the No. 2 cylinder exhaust valve, which allowed the valve to drop into the cylinder and resulted in a total loss of engine power.Jul 15, 2024 · N714PW · Substantial damageNTSB ERA24LA279Accident · Serious injuriesClass 3 · LimitedFinal reportAlexander S Rolinski Aventura II · DeLand, FLImproper installation of the electric-driven fuel pump inlet hoses, which resulted in a hose failure and subsequent loss of engine power due to fuel starvation.Jun 26, 2024 · N727TK · Substantial damageNTSB WPR24LA205Accident · Minor injuriesClass 3 · LimitedFinal reportReplica PA-12 Replica · Douglas, WYA loss of power due to fuel exhaustion as a result of the pilot’s failure to calibrate the fuel flow indicator.Jun 22, 2024 · N406Z · Substantial damageNTSB ERA24LA271Accident · No injuriesClass 3 · LimitedFinal reportCessna 172 · Hernando, FLThe improper installation of a cylinder rocker stud by maintenance personnel, which resulted in a partial loss of engine power and subsequent forced landing.Jun 21, 2024 · N734XT · Substantial damageNTSB ERA24FA266Accident · Serious injuriesClass 3 · FieldFinal reportLockheed 12 · Jackson, GAMaintenance personnel’s failure to properly secure the right brake line, which resulted in a loss of right brake effectiveness during the landing roll and a subsequent runway excursion.Jun 17, 2024 · N2072 · Substantial damageNTSB WPR24FA182Accident · 1 fatalClass 3 · FieldFinal reportVans RV-12 · Auburn, WAThe pilot’s improper installation of the control stick pushrod assemblies, which resulted in separation of the left pushrod and a total loss of roll control during flight. Contributing to the accident was the failure to detect the installation error during…Jun 6, 2024 · N412JN · Substantial damageNTSB WPR24LA161Accident · Minor injuriesClass 3 · LimitedFinal reportAerospatiale SA315B · Hildale, UTMaintenance personnel’s failure to properly secure the EGT thermocouples, which resulted in catastrophic overtemperature of the engine and a total loss of engine power.May 27, 2024 · N57948 · Substantial damageNTSB WPR24LA159Accident · No injuriesClass 3 · LimitedFinal reportNanchang China CJ-6A · Peoria, AZThe partial loss of engine power during cruise flight due to the improper installation of the master connecting rod main bushing set screws, which backed off and allowed the main bushing to shift, resulting in scoring damage on the crankshaft that led to the…May 21, 2024 · N4182C · Substantial damageNTSB WPR24LA146Accident · Minor injuriesClass 3 · LimitedFinal reportRobert Sterling 4P · Lake Havasu City, AZA loss of engine power during initial climb due to fuel vapor lock. Contributing to the accident was the incorrect installation of the ancillary fuel supply system components.May 9, 2024 · N78GP · Substantial damageNTSB WPR24LA135Accident · Minor injuriesClass 3 · LimitedFinal reportBellanca 17-31ATC · El Cajon, CAMaintenance personnel’s improper installation of an engine-driven vacuum pump, which resulted in oil starvation to the engine and a subsequent total loss of engine power. Contributing to the accident was the A&P IA’s lack of supervision.Apr 29, 2024 · N8800V · Substantial damageNTSB ANC24FA029Accident · 2 fatalClass 3 · FieldFinal reportDouglas C54D · Fairbanks, AKA loss of power of the No. 1 engine for reasons that could not be determined, and the incorrect installation of a B-nut fitting in the propeller feathering system, which allowed engine oil to spray onto the exhaust system when the propeller was feathered…Apr 23, 2024 · N3054V · DestroyedNTSB ERA24LA185Accident · 1 fatalClass 3 · LimitedFinal reportBailey-Moyes Dragonfly · Groveland, FLThe pilot’s improper installation and inspection of the right lower wing strut attachment bolt, which resulted in the inflight failure of the right wing.Apr 19, 2024 · UNREG · Substantial damageNTSB CEN24LA152Accident · No injuriesClass 4 · LimitedFinal reportBellanca 17-30A · Galveston, TXMaintenance personnel’s failure to properly secure the oil filter adapter when replacing the oil filter adapter gasket which resulted in the filter becoming loose, resulting in the loss of engine oil, and the subsequent total loss of engine power.Apr 5, 2024 · N9996V · Substantial damageNTSB WPR24LA122Accident · No injuriesClass 3 · LimitedFinal reportCessna 180A · Nordman, IDMaintenance personnel's improper installation of the left main landing gear wheel assembly, which resulted in a loss of torque and subsequent separation of the wheel and axle assembly from the main landing gear leg during landing.Apr 4, 2024 · N5281D · Substantial damageNTSB CEN24LA128Accident · No injuriesClass 3 · LimitedFinal reportEurocopter Deutschland MBB-BK 117 C-2 · West Lafayette, INThe failure of maintenance personnel to properly install the tail rotor pitch change slider attachment hardware (T-bolt), which led to the disconnection of the pitch change slider, a loss of tail rotor control, and subsequent hard landing. Contributing to the…Mar 7, 2024 · N191LL · Substantial damageNTSB ERA24LA122Accident · No injuriesClass 3 · LimitedFinal reportBellanca 17-30A · Cape Coral, FLA total loss of engine power due to fuel starvation as a result of the pilot’s failure to properly secure a fuel supply line.Feb 24, 2024 · N282SV · Substantial damageNTSB DCA24LA079Incident · No injuriesClass 3 · LimitedFinal reportBoeing 747-87UF · Miami, FLMaintenance personnel’s improper installation and inspection of the port M borescope plug, which resulted in an engine fire.Jan 19, 2024 · N859GT · Minor damageNTSB ERA24LA076Accident · No injuriesClass 3 · LimitedFinal reportBell Helicopter Textron 206L-1 · Walland, TNThe improper installation of the No. 8 bearing spanner nut, which resulted in the No. 8 bearing’s failure, and the subsequent total loss of engine power.Dec 28, 2023 · N571CJ · Substantial damageNTSB WPR24LA061Accident · No injuriesClass 3 · LimitedFinal reportGlasair SH2 · Prescott, AZLoss of directional control during landing due to an improperly constructed and maintained tailwheel locking assembly.Dec 26, 2023 · N29TT · Substantial damageNTSB WPR24LA064Accident · No injuriesClass 3 · LimitedFinal reportDiamond Aircraft Ind DA 40 · Spanish Fork, UTMaintenance personnel’s improper installation of the left magneto, which resulted in oil starvation to the engine and a subsequent total loss of engine power.Dec 21, 2023 · N453DS · Substantial damageNTSB CEN24LA012Accident · No injuriesClass 3 · LimitedFinal reportTvap 4 · Franksville, WIThe improper installation of the supplemental ignition system, which resulted in a total loss of engine power.Oct 15, 2023 · N42VZ · Substantial damageNTSB CEN24LA004Accident · No injuriesClass 3 · LimitedFinal reportRobinson Helicopter R44 · Hochatown, OKA total loss of engine power during a practice autorotation due to the improper engine idle setting and rigging of the carburetor heat control which resulted in a hard landing.Oct 1, 2023 · N379SH · Substantial damageNTSB CEN23LA402Accident · No injuriesClass 3 · LimitedFinal reportVans RV14 · Orchard, TXThe failure of an alternator belt and the builder/previous owner’s incorrect electrical wiring of the airplane’s other alternator, which resulted in a total loss of electrical and engine power.Sep 4, 2023 · N14NP · Substantial damageNTSB CEN23FA359Accident · 1 fatalClass 3 · FieldFinal reportVans RV14 · Virden, ILThe pilot/builder’s improper configuration of the canopy latch micro switch, which incorrectly signaled a closed canopy before flight that resulted in an inflight opening of the airplane’s canopy, an upset of the airplane, and a loss of control from which the…Aug 12, 2023 · N6161 · Substantial damageNTSB WPR23LA283Accident · Minor injuriesClass 3 · LimitedFinal reportBeech C35 · Rock Springs, WYMaintenance personnel’s failure to properly secure the propeller pitch control rod castellated nut hardware, which resulted in an in-flight failure of the pitch control bearing and subsequent loss of engine RPM and thrust.Jul 20, 2023 · N620D · Substantial damageNTSB WPR23FA275Accident · 1 fatalClass 3 · FieldFinal reportCessna T310R · Santa Fe, NMA total loss of left engine power as a result of improper installation of the aft-facing crankshaft counterweight retaining rings. Also causal was the pilot’s failure to maintain adequate airspeed following the loss of left engine power, which resulted in the…Jul 18, 2023 · N5251C · Substantial damageNTSB WPR23LA272Accident · No injuriesClass 3 · LimitedFinal reportMellinger B L III/Briebleb R Glasair III · Pahrump, NVA fuel leak due to damaged threads on a fuel line fitting, which resulted in an interruption of fuel flow and a total loss of engine power due to fuel starvation.Jul 17, 2023 · N196G · Substantial damageNTSB ERA23LA279Accident · Serious injuriesClass 4 · LimitedFinal reportEdmisten Robert Eugene SR Rans S-14 Airaile · Bonaire, GAThe pilot’s failure to properly adjust the propeller’s pitch angle, which resulted in a loss of thrust and an inability to maintain altitude.Jun 25, 2023 · N528RE · Substantial damageNTSB WPR23FA225Accident · 1 fatalClass 3 · FieldFinal reportCessna R182 · McCall, IDMaintenance personnel's failure to properly torque and inspect the magneto hardware, which resulted in a partial loss of engine power.Jun 12, 2023 · N3138C · Substantial damageNTSB CEN23LA231Accident · No injuriesClass 3 · LimitedFinal reportCessna 207 · Harlingen, TXThe improper installation of the throttle control arm to the throttle control cable attachment end, which resulted in a failure of the control arm and a loss of engine power in flight.Jun 6, 2023 · N91157 · Substantial damageNTSB ERA23LA253Accident · Minor injuriesClass 3 · LimitedFinal reportBeech V35A · Statesboro, GAMaintenance personnel’s improper installation of the pitch servo bridle cable clamp, which led to binding in the elevator control system that restricted aft yoke movement during the landing approach.Jun 1, 2023 · N8074R · Substantial damageNTSB WPR23LA177Accident · No injuriesClass 3 · LimitedFinal reportCessna 210M · Pasco, WAImproper maintenance on the fuel outlet line to the fuel servo, which resulted in the line partially separating from the fuel outlet fitting and the subsequent fuel starvation and total loss of engine power.May 4, 2023 · N777CF · Substantial damageNTSB CEN23LA165Accident · No injuriesClass 3 · LimitedFinal reportPipistrel Lsa Sinus · Kingsford, MIThe failure of maintenance personnel to properly secure the left carburetor bowl cover, which resulted in an engine fire before takeoff.Apr 13, 2023 · N413EK · Substantial damageNTSB WPR23LA149Accident · No injuriesClass 3 · LimitedFinal reportStevens Kelly C RV-7 · Morgan, UTThe pilot/builder improperly torqued the propeller attachment bolts while reinstalling the propeller, which resulted in the fatigue failure of the bolts and the separation of the propeller assembly.Apr 9, 2023 · N17NK · Substantial damage