NTSB investigations
143 cases where NTSB found Maintenance, general.
Cases per year
| 2008 | 13 |
|---|---|
| 2009 | 10 |
| 2010 | 10 |
| 2011 | 11 |
| 2012 | 12 |
| 2013 | 13 |
| 2014 | 4 |
| 2015 | 6 |
| 2016 | 8 |
| 2017 | 8 |
| 2018 | 10 |
| 2019 | 4 |
| 2020 | 8 |
| 2021 | 5 |
| 2022 | 8 |
| 2023 | 6 |
| 2024 | 5 |
| 2025 | 2 |
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\", '02062000')) 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", '02062000')) 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 ERA25LA238Accident · No injuriesClass 3 · LimitedFinal reportCessna 310 · Fayetteville, TNThe pilot’s decision to operate the airplane with known discrepancies.NTSB CEN25LA165Accident · No injuriesClass 3 · LimitedFinal reportCessna T206 · Natchez, MSMaintenance personnel’s improper maintenance, which resulted in a loss of engine power due to fuel starvation as the result of a loose fuel line B-nut. Contributing to the accident was an inadequate 100-hour inspection performed after the recent maintenance.NTSB 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.NTSB CEN24LA193Accident · No injuriesClass 3 · LimitedFinal reportAir Tractor AT-502 · Covert, KSThe improper maintenance of the fuel control unit, which resulted in air leakage and a loss of control of fuel flow to the engine.NTSB ERA24LA211Accident · No injuriesClass 3 · LimitedFinal reportPiper PA32 · Apopka, FLA partial loss of engine power due to sticking exhaust valves. Contributing to the accident was maintenance personnel’s failure to use available engine data while troubleshooting a known engine issue and maintenance personnel’s failure to comply with…NTSB CEN24LA141Accident · No injuriesClass 3 · LimitedFinal reportCozy Mark IV · Gonzales, TXMaintenance personnel’s failure to properly torque the crankshaft idler gear hardware according to the engine manufacturer’s service instructions, which resulted in separation of the crankshaft idler gear’s fasteners and disengagement of the camshaft,…NTSB ERA24FA110Accident · 2 fatalClass 3 · FieldFinal reportBombardier CL-600-2B16 · Naples, FLCorrosion of both engines’ variable geometry (VG) system components, which led to their operation in an off-schedule position and resulted in near-simultaneous sub-idle rotating compressor stalls on approach, subsequent loss of thrust in both engines, and an…NTSB ERA23LA319Accident · Minor injuriesClass 3 · LimitedFinal reportBell Helicopter Textron Canada 407 · North Charleston, SCA failure of the tail rotor pitch change lever assembly due to incorrectly installed bolts and maintenance personnel’s inadequate inspection of the tail rotor control system.NTSB 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…NTSB ERA23LA289Accident · No injuriesClass 4 · LimitedFinal reportHughes 269A · Anderson, SCThe mechanics’ improper torquing of the main rotor blade dampers, which resulted in a ground resonance event during landing.NTSB CEN23LA246Accident · No injuriesClass 3 · LimitedFinal reportPiper PA46 · College Station, TXThe mechanic’s failure to properly secure the oil suction screen plug during recent maintenance, which resulted in an oil leak and subsequent loss of engine power due to oil starvation.NTSB WPR23LA203Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-28-181 · West Jordan, UTLoss of engine power due to fuel starvation as a result of the mechanic’s failure to properly secure the fuel system gascolator strainer bowl.NTSB ERA23LA162Accident · No injuriesClass 3 · LimitedFinal reportCessna 177 · Travelers Rest, SCMaintenance personnel’s improper servicing of the magneto, which resulted in its accelerated wear, failure, and the total loss of engine power.NTSB ERA23FA033Accident · 2 fatalClass 3 · FieldFinal reportBeech A24 · Keene, NHImproper maintenance of the fuel injector nozzles and the pilots’ failure to abort the takeoff during the takeoff roll. Contributing to the accident was the mechanic’s decision to return the airplane to service with the engine unable to attain its full rated…NTSB WPR22LA340Accident · Minor injuriesClass 3 · LimitedFinal reportBell Helicopter Textron 206L-1 · Banning, CAThe improper attachment of the tail rotor drive shaft to the air conditioner drive pulley without a drive ring, which resulted in the failure of the hardware, a loss of tail rotor drive, and the loss of control of the helicopter followed by a hard landing and…NTSB CEN22LA330Accident · No injuriesClass 3 · LimitedFinal reportBeech N35 · Wardsville, MOEngine failure due to oil starvation resulting from an oil leak at the improperly installed aftermarket oil filter adapter.NTSB CEN22LA322Accident · No injuriesClass 3 · LimitedFinal reportAero Commander 112 · Granbury, TXThe loss of engine power due to metal contamination within the cylinder following poor maintenance.NTSB CEN22FA317Accident · 4 fatalClass 3 · FieldFinal reportBell UH-1H · Chapelle, NMThe total loss of engine power due to the fatigue failure of the starter-generator input (zerol) gear which failed due to poor maintenance. Contributing to the accident was the unsuccessful autorotation complicated by the setting sun and high density altitude.NTSB ERA22LA231Accident · No injuriesClass 4 · LimitedFinal reportEurocopter AS355 · Palm Beach, FLThe pilot’s inadequate preflight inspection, which resulted in the unlatched engine cowling opening and being struck by a main rotor blade during flight. Contributing to the accident was the mechanic’s failure to properly secure the cowling following…NTSB CEN22LA123Accident · Serious injuriesClass 3 · LimitedFinal reportPitts S-1T · Spring, TXThe failure of maintenance personnel to properly connect the throttle cable, which led to the pilot’s inability to control engine power during the initial climb. Contributing to the accident was the pilot’s misjudgment of the headwind during the forced…NTSB ERA22FA126Accident · 1 fatalClass 3 · FieldFinal reportBeech 58 · Lexington, NCInadequate maintenance, which led to a partial loss of both right and left engine power during takeoff, and the pilot’s subsequent failure to maintain airspeed while maneuvering with one engine at low altitude. Contributing to the accident was the pilot’s…NTSB ERA22LA080Accident · Serious injuriesClass 4 · LimitedFinal reportPiper PA-12 · Labelle, FLThe pilot’s improper fuel system modification, which resulted in a loss of engine power due to fuel exhaustion.NTSB ERA21LA328Accident · Serious injuriesClass 3 · LimitedFinal reportPiper PA-28-140 · Orlando, FLA total loss of engine power due to fuel starvation that resulted from improper maintenance of the fuel selector valve and fuel selector valve cover.NTSB ERA21LA287Accident · No injuriesClass 3 · LimitedFinal reportPiper PA46-500TP · Manteo, NCThe improperly secured pneumatic compressor discharge air (P3) line coupling nut on the engine, which ultimately allowed the nut to back off resulting in a partial loss of engine power.NTSB CEN21LA265Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 180K · Columbus, OHThe loss of engine power due to fuel starvation resulting from sealant contamination in the wing.NTSB CEN21LA256Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-28-161 · San Angelo, TXInadequate maintenance of the left main landing gear strut, which resulted in a landing gear collapse.NTSB CEN20LA360Accident · Serious injuriesClass 3 · LimitedFinal reportCessna 180 · St Louis, MOA total loss of engine power due to improper maintenance of the mixture control cable and attachment hardware, which led to a forced landing into a congested area.NTSB CEN20CA284Accident · No injuriesClass 4 · Data collectionFinal reportBeech 95 55 · Spring, TXExcessive wear of the left brake liners which reduced brake effectiveness resulting in a runway excursion.NTSB WPR20LA187Accident · No injuriesClass 3 · LimitedFinal reportCessna 310 · Coeur D Alene, IDImproper maintenance of the landing gear system which resulted in a partial gear collapse during landing.NTSB WPR20LA180Accident · Minor injuriesClass 3 · LimitedFinal reportBellanca 7KCAB · Renton, WAMaintenance personnel’s inadequate post-maintenance inspections that resulted in the total loss of engine power due to a blockage in the air intake.NTSB CEN20LA216Accident · No injuriesClass 3 · LimitedFinal reportTeam 1600R · Marshall, MIMaintenance personnel’s improper installation of an improperly sized clamp on the fuel supply line, which allowed air to enter the supply line, a subsequent loss of engine power, and a forced landing.NTSB ERA20LA197Accident · 1 fatalClass 3 · LimitedFinal reportSchweizer 269C-1 · Ozark, ALA total loss of engine power due to fuel exhaustion. Contributing to the accident was the flight school’s inadequate maintenance of the helicopter’s fuel quantity and caution systems.NTSB ERA20LA195Accident · No injuriesClass 3 · LimitedFinal reportPiper PA24 · South Boston, VAThe powerplant mechanic’s failure to properly affix the engine crankshaft gear lockplate during overhaul, resulting in a total loss of engine power.NTSB ERA20LA077Accident · No injuriesClass 3 · LimitedFinal reportVelocity Elite RG · St. Petersburg, FLA failure of the propeller pitch change electric motor, which resulted in an improper setting for takeoff and a subsequent runway overrun. Also causal was the inadequate maintenance and inspection of the propeller system and the pilot’s failure to follow the…NTSB CEN19LA146Accident · No injuriesClass 3 · LimitedFinal reportSikorsky S76 · Morrilton, ARThe improper securing of the exhaust duct bolts, which resulted in the duct becoming unseated and substantial heat damage to the tail rotor drive shaft.NTSB CEN19FA135Accident · Serious injuriesClass 2 · FieldFinal reportPiper PA34 · Anderson, INThe loss of left engine power due to an incorrectly adjusted fuel servo and the airplane's nose up trim which resulted in the airplane steep climb, loss of airspeed, and aerodynamic stall and subsequent impact with terrain.NTSB DCA19CA137Accident · Serious injuriesClass 4 · Data collectionFinal reportBoeing 737 · Fort Meyers, FLmissing attach screws on the aft galley oven, which allowed it to become dislodged landing, injuring a flight attendant.NTSB CEN19FA109Accident · 1 fatalClass 3 · FieldFinal reportAerospatiale AS350 · Montgomery, TXMaintenance personnel's failure to properly re-install and secure a fuel line, which resulted in a total loss of engine power.NTSB ERA19LA074Accident · Minor injuriesClass 3 · LimitedFinal reportDiamond DA20 · McCormick, SCA partial loss of engine power due to debris obstructing the metering plug orifice in the throttle and metering unit.NTSB GAA19CA074Accident · No injuriesData collectionFinal reportCirrus SR22 · Sand Creek, WIThe mechanic's failure to properly secure the air reference line, which resulted in a loss of engine power.NTSB WPR19LA016Accident · Minor injuriesClass 3 · LimitedFinal reportCessna T210 · FiIlmore, CAA total loss of engine power as a result of the pilot’s failure to remove a towel from the engine’s air induction following maintenance.NTSB ERA18LA265Accident · Minor injuriesLimited investigationFinal reportPiper PA32 · Bartow, FLA total loss of engine power after the separation of the No. 3 cylinder from the crankcase due to improper maintenance.NTSB CEN18FA336Accident · 1 fatalField investigationFinal reportCessna 172 · Rhome, TXThe pilot's inadequate maintenance of the airplane, which resulted in a total loss of engine power due to fuel starvation when organic debris restricted available fuel to the carburetor, and the pilot's impairment due to the ingestion of alcohol, which…NTSB 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…NTSB CEN18LA285Accident · No injuriesLimited investigationFinal reportSmith AEROSTAR601 · Baton Rouge, LAThe loss of right engine power due to fuel starvation, which resulted from corrosion debris in the fuel lines. Contributing to the accident was the mechanic’s and pilot’s inadequate maintenance of the airplane before the flight.NTSB ANC18LA048Accident · No injuriesLimited investigationFinal reportCessna 180 · Fairbanks, AKThe failure of the brake line tube due to an improper flare.NTSB ERA18FA137Accident · 1 fatalField investigationFinal reportPiper PA28R · Gainesville, GAA partial loss of engine power due to inadequate thru-bolt and stud preload tension by undetermined maintenance personnel, which resulted in fretting between the engine crankcase halves, and the subsequent separation of the No. 2 cylinder due to the fatigue…NTSB ERA18IA078Incident · No injuriesClass 3 · IncidentFinal reportAirbus Helicopters EC 130 · Memphis, TNThe pilot’s failure to lock the collective pitch control after landing, and the mechanic’s failure to properly balance the collective pitch control after converting the helicopter to a single-pilot configuration, which resulted in an uncommanded collective…NTSB WPR18LA022Accident · No injuriesLimited investigationFinal reportCessna P210N · Mount Vernon, WAThe failure of the right main landing gear (MLG) down-lock mechanism due to an out-of-tolerance down-lock hook, which resulted in the collapse of the right MLG during the landing roll.NTSB ERA17FA327Accident · 2 fatalField investigationFinal reportMooney M20C · North Branford, CTA total loss of engine power due to fuel starvation as the result of foreign object debris in the fuel selector valve. Contributing to the accident was the pilot's selection of a low cruising altitude, which reduced the available time to troubleshoot the loss…