Final NTSB investigations
604 cases where the sequence of events included Powerplant sys/comp malf/fail.
Cases per year
| 2008 | 61 |
|---|---|
| 2009 | 54 |
| 2010 | 28 |
| 2011 | 37 |
| 2012 | 33 |
| 2013 | 32 |
| 2014 | 33 |
| 2015 | 30 |
| 2016 | 40 |
| 2017 | 36 |
| 2018 | 28 |
| 2019 | 29 |
| 2020 | 17 |
| 2021 | 24 |
| 2022 | 34 |
| 2023 | 38 |
| 2024 | 38 |
| 2025 | 11 |
| 2026 | 1 |
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\" = '340' 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" = '340' 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 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.NTSB ERA26LA030Accident · No injuriesClass 4 · LimitedFinal reportHugh Nunnally Farrior Cozy MK IV · McRae-Helena, GAThe pilot’s failure to extend the nose landing gear, which resulted in a nose gear up landing. Contributing to the accident was the pilot’s inappropriate decision to continue to fly with known delamination damage to the propeller.NTSB ERA25LA235Accident · No injuriesClass 3 · LimitedFinal reportCessna R182 · Milton, FLSeparation of the throttle cable sleeve during takeoff, which resulted an uncommanded engine power reduction and the pilot’s inability to control the engine throttle, and resulted in a forced landing.NTSB 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,…NTSB ERA25LA198Accident · Serious injuriesClass 3 · LimitedFinal reportDiamond Aircraft Ind DA 40 NG · Sanford, NCThe mechanic’s re-use of worm drive clamps, which resulted in a separation of the turbocharger air discharge duct and a partial loss of engine power during initial climb.NTSB ERA25LA159Accident · No injuriesClass 3 · LimitedFinal reportSilvaire Luscombe 8A · New Port Richey, FLMaintenance personnel’s inadequate inspection of the exhaust system, which allowed exhaust gases to enter the induction system from cracks in the exhaust manifold, resulting in a total loss of engine power and a subsequent forced landing.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 ANC25LA025Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 172A · Fairbanks, AKThe pilot’s decision to initiate the flight despite identifying a malfunction in the carburetor heat system during the pre-takeoff engine run-up, which led to a partial loss of engine power during climb out. Contributing to the accident was maintenance…NTSB 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…NTSB CEN25LA093Accident · Minor injuriesClass 3 · LimitedFinal reportRobinson Helicopter R22 Beta · Spearman, TXImproperly torqued intake manifold bolts that allowed unmetered air to enter the engine, resulting in an overly lean fuel-air mixture, eventual failure of the No. 3 cylinder intake valve, and a total loss of engine power.NTSB DCA25LA114Occurrence · No injuriesClass 3 · LimitedFinal reportAirbus Industrie A319 · Houston, TXThe failure of the cabin crew to activate the evacuation alarm and to maintain coordinated communication with the flight crew following the cabin crew’s decision to command an evacuation, which resulted in an engine running during the initial evacuation.…NTSB CEN25LA077Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-28-181 · Addison, TXA partial loss of engine power during takeoff due to the partial blockage of the fuel diaphragm metering stem and the No. 1 cylinder fuel injector nozzle. Contributing to the accident was maintenance that allowed the introduction of debris that resulted in…NTSB WPR25LA070Accident · Minor injuriesClass 3 · LimitedFinal reportVans RV-7A · Gila Bend, AZA disconnection of the mixture control linkage during flight, which resulted in fuel starvation and a total loss of engine power. Contributing was the inadequate inspection of the mixture control arm attachment hardware.NTSB CEN25FA056Accident · Serious injuriesClass 3 · FieldFinal reportZenith Zodiac CH601 · Columbia, ILThe pilot’s failure to secure the engine oil filter following maintenance, which resulted in oil starvation, a total loss of engine power, and impact with terrain.NTSB 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…NTSB CEN25LA018Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA-32R-301 · Van, TXThe mechanic’s improper maintenance of the engine’s air induction scat duct, which collapsed during the flight and resulted in a loss of engine power.NTSB CEN25FA006Accident · 1 fatalClass 3 · FieldFinal reportBeech C99 · Norfolk, NEThe pilot’s failure to maintain adequate airspeed following a partial loss of engine power during takeoff, which resulted in a loss of airplane control. Contributing to the accident was the fatigue failure of the compressor turbine fan disk blade.NTSB ERA24LA380Accident · No injuriesClass 3 · LimitedFinal reportPiper PA32 · Baltimore, MDThe undetected worn internal parts of the on-condition carburetor, which restricted movement of the float, resulting in fuel starvation. Contributing to the severity of the accident was the pilot’s delayed reduction of the throttle when performing a forced…NTSB CEN24LA354Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 170A · Marshall, INThe fatigue fracture of the No. 6 piston connecting rod, which resulted in a loss of engine power.NTSB CEN24LA350Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 172 · Englewood, COA partial loss of engine power due to fuel-oil contamination of the fuel injection servo.NTSB CEN24LA333Accident · Minor injuriesClass 3 · LimitedFinal reportZenith Zodiac CH601 XL · Odessa, MOOverheating of the engine coolant for reasons that could not be determined, which resulted in a precautionary off-airport landing, during which the airplane sustained substantial damage.NTSB WPR24LA267Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA-28R-201T · Sacramento, CAA loss of engine power during the initial climb due to the detachment of the turbocharger’s inlet sleeve as a result of the installation of an incorrect sleeve clamp.NTSB ERA24LA333Accident · No injuriesClass 3 · LimitedFinal reportCirrus Design SR20 · Egg Harbor City, NJA partial loss of engine power due to the fatigue failure of the alternate air valve, which separated and partially obstructed the engine’s induction system.NTSB ERA24LA330Accident · No injuriesClass 3 · LimitedFinal reportRaytheon A36 · Naples, FLContamination of the airplane’s fuel system with debris, which resulted in restricted fuel flow through multiple fuel injectors and the subsequent partial loss of engine power.NTSB WPR24LA261Accident · No injuriesClass 3 · LimitedFinal reportAeronca 11AC · Winchester, CAA total loss of engine power due to a fatigue fracture of the crankshaft.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 ERA24FA310Accident · 1 fatalClass 3 · FieldFinal reportWilliams John Titan T-51 Mustang · Geneva, OHA sudden propeller overspeed and subsequent separation of the propeller blades and hub, while maneuvering at high speed and at low altitude, which resulted in a collision with a tree during the subsequent forced landing attempt.NTSB CEN24LA269Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-36-375 · Avoca, NEA partial loss of engine power due to the loose left magneto which resulted in erratic engine timing.NTSB WPR24LA229Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 172N · San Diego, CAA failure of the No. 2 cylinder due to fatigue cracking as the result of an undersized fillet radius around the edge of the cylinder head dome.NTSB CEN24LA242Accident · No injuriesClass 3 · LimitedFinal reportCessna 310R · Duluth, MNThe failure of the left engine induction coupling during takeoff, which resulted in a total loss of left engine power and an uncommanded left yaw/roll due to asymmetrical thrust and increased drag, from which the pilot had insufficient altitude to recover…NTSB ERA24LA276Accident · Minor injuriesClass 3 · LimitedFinal reportSnyder Searey · New Ipswich, NHA total loss of engine power due to the exhaust muffler and tailpipe assembly separating from its attach points and impacting the propeller.NTSB 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.NTSB WPR24LA210Accident · No injuriesClass 3 · LimitedFinal reportLancair LC42-550FG · Humboldt Bay, CAMaintenance personnel’s incorrect installation of an engine rocker cover gasket, which resulted in oil exhaustion and subsequent loss of engine power during the initial climb.NTSB CEN24FA218Accident · 1 fatalClass 3 · FieldFinal reportCessna 172 · Gainesville, TXThe fuel pump manufacturer’s improper torquing of screws on the engine-driven fuel pump, which resulted in a disruption in the fuel system and a loss of engine power on initial climb.NTSB ERA24LA239Accident · Serious injuriesClass 3 · LimitedFinal reportCessna 150 · San Juan, PRA partial loss of engine power due to the failure of the No. 2 cylinder rocker shaft bosses from fatigue cracking.NTSB ERA24LA230Accident · Serious injuriesClass 3 · LimitedFinal reportPiper PA-28-151 · Hope Mills, NCA loss of engine performance due to carbon fouling of three spark plugs that, when combined with the airplane’s high gross weight condition, resulted in a collision with trees and terrain.NTSB DCA24LA200Accident · No injuriesClass 4 · LimitedFinal reportAergility Atlis 1 · Dunnellon, FLAn intermittent electrical failure that switched two motor controllers off, resulting in a loss of hover capability and impact with the ground.NTSB CEN24LA211Accident · No injuriesClass 3 · LimitedFinal reportCessna 172RG · Chandeleur Island, LAA fatigue failure of the engine oil pressure line, which resulted in the loss of engine oil during the flight and subsequent damage to the nose landing gear support structure during the precautionary landing.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 CEN24LA185Accident · Serious injuriesClass 3 · LimitedFinal reportTitan T51 · Novi, MIA failure of the electrical system, resulting in a loss of fuel injection and subsequent loss of engine power.NTSB ANC24LA025Accident · No injuriesClass 3 · LimitedFinal reportCessna 120 · Talkeetna, AKA degraded ignition system, which resulted in a total loss of engine power. Contributing to the accident was maintenance personnel’s inadequate inspection of the ignition system.NTSB WPR24LA121Accident · No injuriesClass 3 · LimitedFinal reportKitfox Series 5 · Yucca Grove, CAThe pilot’s improper repair of the oil sump, which resulted in a loss of oil pressure and collision with terrain during a precautionary landing.NTSB CEN24LA140Accident · No injuriesClass 3 · LimitedFinal reportCessna T210 · San Saba, TXA total loss of engine power due to multiple connecting rod failures from oil starvation.NTSB ANC24LA017Accident · Serious injuriesClass 3 · LimitedFinal reportMD Helicopter 369E/500E · Kekaha, HIMaintenance personnel’s noncompliance with maintenance manual procedures that required the removal of the overrunning clutch output bearing during the regreasing procedure, which resulted in inadequate regreasing of the bearing and the subsequent failure of…NTSB CEN24LA120Accident · Serious injuriesClass 3 · LimitedFinal reportPulsar I · Patterson, LAThe non-certificated pilot’s decision to operate an unairworthy engine, which led to cylinder failure and a loss of engine power.NTSB WPR24LA087Accident · Minor injuriesClass 3 · LimitedFinal reportMooney M20K · Burley, IDThe failure of the pilot to fly a stabilized approach during an emergency landing with a tailwind, which resulted in a bounced landing and subsequent runway excursion during the landing roll. Contributing to the accident was the pilot’s inadequate preflight…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 WPR24LA074Accident · No injuriesClass 3 · LimitedFinal reportBeck Michael J Sonex · Auburn, WAWater contamination within the fuel regulator air-reference system, which resulted in improper fuel metering and a loss of engine power during initial climb.NTSB WPR24LA076Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-28-181 · Colorado City, AZThe loss of engine power due to the failure of the No. 2 piston pin plug, which resulted in oil starvation and subsequent failure of the No. 3 connecting rod. Contributing to the accident was the inadequate engine inspections by maintenance personnel.NTSB CEN24LA088Accident · Minor injuriesClass 3 · LimitedFinal reportEurocopter AS 350 B2 · Spofford, TXThe fatigue failure of the fuel control unit control lever arm, which resulted in fuel starvation, and a loss of engine power.