Final NTSB investigations, 2024
45 cases where the sequence of events included Loss of engine power (partial).
Cases per year
| 2008 | 93 |
|---|---|
| 2009 | 115 |
| 2010 | 101 |
| 2011 | 116 |
| 2012 | 118 |
| 2013 | 78 |
| 2014 | 107 |
| 2015 | 109 |
| 2016 | 102 |
| 2017 | 90 |
| 2018 | 89 |
| 2019 | 85 |
| 2020 | 68 |
| 2021 | 83 |
| 2022 | 64 |
| 2023 | 48 |
| 2024 | 45 |
| 2025 | 14 |
| 2026 | 3 |
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\") = 2024
AND c.\"completionStatus\" = 'Completed'
AND c.\"mKey\" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.\"tier2Number\" = '342' 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") = 2024 AND c."completionStatus" = 'Completed' AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '342' 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 CEN25LA054Accident · No injuriesClass 3 · LimitedFinal reportAmerican AA-1B · Brenham, TXA partial loss of engine power due to an obstructed induction system from a mud dauber nest.NTSB ERA25LA052Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 172S · Chattanooga, TNA partial loss of engine power due to a fouled spark plug in engine’s the No. 4 cylinder. Contributing was the flight instructor’s failure to maintain aircraft control during an attempted go-around following an unsuccessful landing approach in IMC, which…NTSB CEN25LA041Accident · No injuriesClass 4 · LimitedFinal reportRotorway Exec 162 F · Blaine, MNA loss of engine power that resulted in a hard landing.NTSB ERA25LA041Accident · Minor injuriesClass 3 · LimitedFinal reportAnderson Kitfox 4 · New Castle, PAA partial loss of engine power due to a split fuel line that resulted in a fuel leak and reduced fuel supply to the aft carburetor.NTSB CEN25LA025Accident · No injuriesClass 4 · LimitedFinal reportBoeing A75N1 · Denton, TXThe partial loss of engine power during the initial climb and the pilot’s failure to maintain directional control during the forced landing with a tailwind.NTSB CEN25LA021Accident · No injuriesClass 3 · LimitedFinal reportMooney M20K · Elizabeth, LAThe pilot’s failure to set the engine fuel mixture to the required setting, which resulted in reduced engine power during a go-around and subsequent impact with trees. Contributing to the accident, the failure of the mechanic to perform a current fuel…NTSB ERA25LA011Accident · No injuriesClass 3 · LimitedFinal reportSaint Glasair II SFT · Forest, VAThe installation of a non-failsafe coupler that resulted in the separation of the throttle cable from the throttle arm and a subsequent partial 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 ERA24LA392Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA28 · LaGrange, GAImproper manufacture of a cylinder exhaust valve guide by the engine manufacturer, which resulted in a stuck exhaust valve and a partial loss of engine power during initial climb.NTSB 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.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 ERA24LA375Accident · No injuriesClass 3 · LimitedFinal reportAir Tractor AT-802 · Hickory Valley, TNA partial loss of engine power due to a leak in the fuel control unit bellows, which resulted in the fuel valve moving to minimum fuel flow.NTSB CEN24LA341Accident · No injuriesClass 3 · LimitedFinal reportTaylorcraft BC12-D · Trojan, SDThe partial loss of engine power due to a loose magneto and subsequent impact with terrain.NTSB WPR24FA291Accident · 1 fatalClass 3 · FieldFinal reportAmerican Champion 8GCBC · Meeteetse, WYThe pilot’s decision to continue the flight over rising terrain at a low altitude in a high-elevation, high-density-altitude environment.NTSB CEN24LA313Accident · No injuriesClass 3 · LimitedFinal reportGrumman G164 · Dyess, ARThe improper overhaul of the carburetor and the malfunction of left magneto which resulted in a partial loss of engine power.NTSB CEN24LA301Accident · Minor injuriesClass 3 · LimitedFinal reportTailwind W10 · West Livingston, TXA partial loss of engine power due to carburetor ice.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 ERA24FA318Accident · 2 fatalClass 3 · FieldFinal reportBeech A36 · Ronkonkoma, NYA loss of engine power during initial climb for undetermined reasons. Contributing to the outcome was the pilot's failure to maintain control of the airplane following the loss of engine power and his decision to perform an intersection takeoff which, reduced…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 ERA24FA301Accident · 1 fatalClass 3 · FieldFinal reportCessna 402B · Aguadilla, PRThe pilot’s decision to operate the airplane with known maintenance discrepancies, which resulted in a total loss of right engine power. Contributing to the outcome was the pilot’s failure to maintain airspeed while returning to the airport with a single…NTSB ERA24LA299Accident · Minor injuriesClass 3 · LimitedFinal reportBellanca 8GCBC · Frankford, DEA partial loss of engine power resulting from cylinder detonation and a cracked spark plug, which resulted in a forced landing and impact with terrain.NTSB ANC24LA057Accident · No injuriesClass 4 · LimitedFinal reportDehavilland-Kenmore DHC-2 · Juneau, AKA partial loss of engine power during initial climb due to a cracked cylinder.NTSB CEN24LA236Accident · No injuriesClass 3 · LimitedFinal reportCirrus Design SR22T · Boerne, TXMaintenance personnel’s inadequate adjustment of fuel flow, which resulted in an excessively rich mixture, a rough-running engine, and a subsequent partial loss of engine power.NTSB 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.NTSB CEN24LA239Accident · No injuriesClass 3 · LimitedFinal reportThrush S2R · Hebron, NDForeign object debris in the Negative Torque Sensing (NTS) system check valve, which impeded the flow of oil to the NTS system and the propeller governor (PG) reset piston, resulting in a total loss of engine power and an off-airport forced landing.…NTSB CEN24FA228Accident · 2 fatalClass 3 · FieldFinal reportCessna 421 · Steamboat Springs, COThe pilot’s failure to maintain sufficient airspeed following a loss of engine power, which resulted in an inadvertent aerodynamic stall/spin at low altitude.NTSB WPR24LA198Accident · Minor injuriesClass 3 · LimitedFinal reportWarren B Cox COX Breezy · Albuquerque, NMThe pilot’s exceedance of the airplane’s critical angle of attack while maneuvering for landing following a partial loss of engine power after takeoff, which resulted in an aerodynamic stall and loss of control. Contributing to the accident was maintenance…NTSB ANC24LA045Accident · No injuriesClass 3 · LimitedFinal reportCessna 206 · King Salmon, AKA partial loss of engine power due to detonation/preignition of the No. 1 cylinder for reasons that could not be determined.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 WPR24LA178Accident · Minor injuriesClass 4 · LimitedFinal reportPiper PA-28-180 · Nephi, UTThe pilot’s incorrect movement of the fuel selector valve to an off or restricted position, which resulted in fuel starvation and a loss of engine power.NTSB CEN24LA200Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA28 · Taylor, TXA partial loss of engine power due to an incorrect carburetor air inlet hose, which led to a reduction in air flow to the engine.NTSB 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…NTSB WPR24LA148Accident · No injuriesClass 3 · LimitedFinal reportKjelsrud Gary Kitfox · Powell, WYThe pilot’s adjustment of the carburetor to an incorrect setting, which resulted in partial loss of engine power during takeoff.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 ERA24LA198Accident · No injuriesClass 3 · LimitedFinal reportCessna 172 · Palatka, FLThe failure of the nose oil seal to remain secure in the engine crankcase, which resulted in a loss of engine oil and partial loss of engine power.NTSB ERA24LA190Accident · Minor injuriesClass 3 · LimitedFinal reportBeech B24R · Lumberton Township, NJThe pilot/owner’s failure to ensure adequate maintenance of the airplane, which resulted in a partial loss of engine power during takeoff.NTSB ERA24FA157Accident · 1 fatalClass 3 · FieldFinal reportPiper PA-44-180 · Fort Pierce North, FLThe flight instructor’s failure to maintain control of the multiengine airplane after a partial loss of engine power on one engine during a go-around, which resulted in an aerodynamic stall. Contributing to the accident was the mechanic’s failure to check the…NTSB ERA24LA152Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 172 · Opelika, ALA partial loss of engine power due to a combination of fuel/oil contamination in the fuel injector assembly.NTSB WPR24LA117Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-28-140 · Acton, CAThe pilots inability to fully turn off the carburetor heat which resulted in a reduction of engine power and reduced climb performance. Contributing to the accident was the pilots delayed recovery from the simulated emergency landing.NTSB CEN24LA137Accident · No injuriesClass 3 · LimitedFinal reportEnstrom Helicopter 280C · Port Lavaca, TXThe pilot’s improper manual engine mixture management which resulted in a loss of power. Contributing to the accident was the mechanic’s improper setting of the idle mixture adjustment and the pilot’s decision to take off with a known mechanical deficiency.NTSB CEN24LA121Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-28-181 · Watertown, SDThe stuck No. 2 cylinder exhaust valve, which resulted in a partial loss of engine power and a forced landing due to an undersized exhaust valve guide. Contributing to the accident were the improper manufacture of the engine cylinders, and the operation of…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 ERA24LA105Accident · No injuriesClass 3 · LimitedFinal reportCessna 150 · Parkland, FLA catastrophic engine failure due to oil starvation to the main bearings for undetermined reasons.NTSB CEN24FA095Accident · 1 fatalClass 3 · FieldFinal reportCirrus Design SR22 · Little Rock, ARThe pilot’s failure to maintain airplane control after a partial loss of engine power during initial climb. Contributing to the accident was the pilot’s failure to follow airplane flight manual procedures and limitations for the turbocharged engine, which…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.