Final NTSB investigations
2,062 cases where the defining event was Loss of engine power (total).
Cases per year
| 2008 | 178 |
|---|---|
| 2009 | 155 |
| 2010 | 167 |
| 2011 | 163 |
| 2012 | 159 |
| 2013 | 153 |
| 2014 | 138 |
| 2015 | 130 |
| 2016 | 112 |
| 2017 | 121 |
| 2018 | 112 |
| 2019 | 117 |
| 2020 | 74 |
| 2021 | 98 |
| 2022 | 62 |
| 2023 | 47 |
| 2024 | 52 |
| 2025 | 18 |
| 2026 | 6 |
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 e.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.\"isDefiningEvent\" AND e.\"tier2Number\" = '341')
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 e.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e."isDefiningEvent" AND e."tier2Number" = '341') 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 CEN26LA246Accident · Minor injuriesClass 4 · LimitedFinal reportRotec Engineering Rally 3 · Hooker, OKThe total loss of engine power due to an engine seizure for undetermined reasons because the wreckage was disposed of before it could be examined.NTSB CEN26LA211Accident · Minor injuriesClass 4 · LimitedFinal reportPiper PA-28-235 · Montevideo, MNA total loss of engine power on approach due to carburetor icing.NTSB ANC26LA026Accident · Minor injuriesClass 4 · LimitedFinal reportCessna U206F · Juneau, AKA total loss of engine power for reasons that could not be determined because the airplane was not recovered from the ocean.NTSB ERA26LA176Accident · No injuriesClass 3 · LimitedFinal reportIcon A5 · Levittown, PRAn oil line separation at a barbed fitting in an experimental airplane, which resulted in a total loss of engine power due to oil starvation.NTSB ERA26LA105Accident · Minor injuriesClass 4 · LimitedFinal reportPiper J3C · Brimfield, OHThe pilot’s failure to use carburetor heat during descent in cold temperatures, which resulted in a total loss of engine power at an altitude too low for recovery.NTSB WPR26LA081Accident · No injuriesClass 4 · LimitedFinal reportCessna 172E · Kingman, AZThe pilot’s failure to use a pre-takeoff checklist, which resulted in the fuel selector being in the off position, and subsequent loss of engine power during takeoff.NTSB 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.NTSB WPR26LA072Accident · No injuriesClass 4 · LimitedFinal reportZenith 750 · Yacolt, WAA loss of engine power for undetermined reasons.NTSB WPR26LA023Accident · Minor injuriesClass 4 · LimitedFinal reportHawker Hawker Hunter MK.58 · Big Sur, CAA complete loss of engine power for reasons that could not be determined.NTSB WPR25LA298Accident · No injuriesClass 4 · LimitedFinal reportCessna 185A · Ilwaco, WAThe pilot's inadequate preflight inspection, which resulted in a total loss of engine power due to fuel exhaustion.NTSB CEN25LA378Accident · No injuriesClass 4 · LimitedFinal reportCirrus Design SR22T · Racine, WIA total loss of engine power for reasons that could not be determined.NTSB 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…NTSB ERA25LA324Accident · Minor injuriesClass 4 · LimitedFinal reportCessna 172 · New Smyrna Beach, FLMaintenance personnel’s failure to detect and address water contamination of the airplane’s fuel system, which resulted in a total loss of engine power during initial climb.NTSB CEN25LA322Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-18-150 · Joliet, ILThe failure of the No. 2 cylinder exhaust valve, which resulted in a total loss of engine power.NTSB CEN25LA225Accident · No injuriesClass 3 · LimitedFinal reportTecnam P2010 · Temple, TXThe loss of engine power due to a failed muffler flame tube assembly which resulted in an exhaust blockage.NTSB CEN25LA199Accident · No injuriesClass 4 · LimitedFinal reportCessna 182P · Mineral Wells, TXThe pilot’s improper fuel tank selection prior to takeoff, which resulted in a total loss of engine power due to fuel starvation. Contributing to the accident was the pilot’s failure to follow the airplane checklist.NTSB 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.NTSB 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.NTSB WPR25LA135Accident · No injuriesClass 4 · LimitedFinal reportMartin Uav Vbat · Douglas, AZThe malfunction of the throttle servo which resulted in the complete loss of engine power.NTSB ERA25LA141Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA-28-181 · Hollywood, FLA total loss of engine power was due to a fracture of the crankshaft at the No. 3 main journal, which originated from a preexisting, thermally induced crack that had gone undetected by maintenance personnel during an inspection performed as part of the…NTSB ERA25LA157Accident · No injuriesClass 3 · LimitedFinal reportBeech E33 · Lenoir, NCThe mechanic’s inadequate annual inspection of the airplane and failure to comply with an applicable airworthiness directive, which resulted in a total loss of engine power due to oil starvation.NTSB WPR25LA095Accident · No injuriesClass 4 · LimitedFinal reportQuicksilver Aeronautics L-S2S · Geyserville, CAThe pilot’s failure to secure the coolant cap during the preflight inspection, which resulted in a total loss of engine power due to overheating and a subsequent forced landing.NTSB CEN25LA100Accident · No injuriesClass 4 · LimitedFinal reportCessna 180 · Breckenridge, TXThe mechanic’s failure to properly install the throttle cable hardware resulting in a separation of the cable and loss of engine throttle control.NTSB CEN25LA078Accident · No injuriesClass 4 · LimitedFinal reportZenith Stol CH750 · Byron, ILThe pilot inadvertently moved the ignition key to the off position and broke the key, which resulted in a loss of engine power and subsequent forced landing.NTSB WPR25LA064Accident · No injuriesClass 4 · LimitedFinal reportAmazon.Com Services MK30 · Pendleton, ORThe incorrect altitude indication by test software during landing.NTSB WPR25LA063Accident · No injuriesClass 4 · LimitedFinal reportAmazon.Com Services MK30 · Pendleton, ORAn improper altitude indication from a recent software update, which resulted in a loss of engine power in flight.NTSB ERA25LA062Accident · Serious injuriesClass 3 · LimitedFinal reportAlexander S Rolinski BOT Journey · Ocean Isle Beach, NCMaintenance personnel’s failure to identify and remediate a buildup of oxides in one of the engine’s carburetors, which resulted in the seizure of the carburetor’s piston slide and a subsequent total loss of engine power during initial climb.NTSB WPR25LA048Accident · Serious injuriesClass 3 · LimitedFinal reportMooney M20F · Fullerton, CAThe loss of engine power during departure for reasons that could not be determined.NTSB WPR25LA046Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA-28R-200 · Gillette, WYA loss of engine power due to fuel starvation resulting from a loose B-nut at the engine-driven fuel-pump inlet.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.NTSB CEN25LA046Accident · Serious injuriesClass 4 · LimitedFinal reportRotor Flight Dynamics Dominator · Gilbert, MNA total loss of engine power and subsequent autorotation to a swamp, that resulted in a rollover. Contributing to the pilot’s delayed egression from the gyroplane, was the lack of a restraint system cutting device.NTSB CEN25LA038Accident · Minor injuriesClass 4 · LimitedFinal reportComposite FX Mosquito XE · Waco, TXThe total loss of engine power and subsequent impact with terrain during an autorotation. Contributing to the accident was the improper sealing of the liquid cooling system.NTSB ERA25LA056Accident · No injuriesClass 4 · LimitedFinal reportFinn Lassen RV-4 · O'Brien, FLA total loss of engine power and navigational equipment as a result of a faulty battery.NTSB WPR25LA030Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-32-300 · Prescott Valley, AZSeparation of the No. 3 engine cylinder due to a loss of torque on the cylinder base nuts, which resulted in a loss of engine power and in-flight fire. Contributing to the accident was maintenance personnel’s failure to ensure the engine case and cylinder…NTSB ERA25LA012Accident · Serious injuriesClass 3 · LimitedFinal reportPiper PA28 · Louisville, KYA total loss of engine power for undetermined reasons.NTSB ERA25LA004Accident · Serious injuriesClass 4 · LimitedFinal reportGrumman Acft ENG Cor-Schweizer G-164A · Parsonsburg, MDA total loss of engine power for reasons that were not determined.NTSB CEN25LA003Accident · Minor injuriesClass 3 · LimitedFinal reportSchweizer 269C · Montrose, COA loss of engine power during a demonstrated autorotation due to an improperly adjusted air-fuel mixture or idle setting. Contributing to the accident was the pilot’s failure to perform the required idle check during previous flights in higher elevation areas.NTSB 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.NTSB CEN24LA364Accident · No injuriesClass 4 · LimitedFinal reportGrumman G-164A · LaPlace, LATotal loss of engine power during the agricultural application flight for reasons that could not be determined.NTSB ERA24LA388Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 172K · Spartanburg, SCMaintenance personnel’s failure to follow the engine manufacturer’s maintenance guidance, which resulted in the assembly of the engine with an obstructed oil passage, a subsequent lack of lubrication to the front main bearing, and a total loss of engine power.NTSB WPR24LA314Accident · Minor injuriesClass 3 · LimitedFinal reportCessna U206G · West Sacramento, CAFailure of the No. 4 cylinder fuel injection assembly tube and subsequent total loss of engine power.NTSB CEN24LA317Accident · No injuriesClass 3 · LimitedFinal reportVans RV8 · Guthrie, OKA loss of engine power due to the separation and ingestion of an air filter retaining bracket into the engine cylinder.NTSB WPR24LA271Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-18-150 · Manhattan, MTA total loss of engine power due to carburetor icing.NTSB CEN24LA286Accident · No injuriesClass 3 · LimitedFinal reportPiper PA46 · Radisson, WIThe non-certificated mechanic’s failure to properly tighten and torque the fuel system pressure test port cap, which resulted in a total loss of engine power, and a subsequent forced landing.NTSB 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.NTSB WPR24LA241Accident · No injuriesClass 3 · LimitedFinal reportRobinson Helicopter R44 II · Herriman, UTA hard landing following a total loss of engine power due to fuel starvation as a result of the improper idle setting of the helicopter’s engine. Contributing to the loss of engine power was the instructor’s reduction of engine power past that recommended by…NTSB WPR24LA240Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 182B · Soldier, IDA total loss of engine power resulting from the failure of the No. 1 piston and the No. 2 piston connecting rod due to detonation.NTSB WPR24LA224Accident · No injuriesClass 4 · LimitedFinal reportCessna 140 · Harmony, WYA total loss of engine power as a result of the pilot's inadvertent placement of the fuel selector to the "off" position.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 WPR24LA194Accident · No injuriesClass 3 · LimitedFinal reportCessna 150M · Roll, AZThe failure of the No. 2 intake valve due to inadequate seating, which resulted from valve guide-to-seat misalignment and associated wear.