NTSB investigations: Rotax 912ULS series
33 cases on aircraft whose registry engine model is Rotax 912ULS series, where the defining event was Loss of engine power (total). Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.
Cases per year
| 2008 | 2 |
|---|---|
| 2009 | 2 |
| 2010 | 2 |
| 2011 | 2 |
| 2013 | 1 |
| 2014 | 3 |
| 2015 | 1 |
| 2016 | 7 |
| 2018 | 1 |
| 2019 | 4 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 1 |
| 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 x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('55572')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND 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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('55572')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e."isDefiningEvent" AND e."tier2Number" = '341'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESCRun 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 ERA25LA278Accident · Minor injuriesClass 3 · LimitedPreliminary reportOrlican S R O M-8 Eagle · Lake Worth Beach, FLOn July 28, 2025, about 16:24 eastern daylight time, an Orlican M-8, N974FL, was substantially damaged when it was involved in an accident near Lake Worth Beach, Florida. The flight instructor sustained minor injuries, the private pilot sustained no injuries,…NTSB WPR25LA154Accident · No injuriesClass 3 · LimitedPreliminary reportLee JA30 Superstol · Evanston, WYOn May 9, 2025, about 1020 mountain daylight time, an experimental amateur-built Just Aircraft Superstol, N128EL, was substantially damaged when it was involved in an accident near Evanston, Wyoming. The pilot and passenger were not injured. The airplane was…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 WPR23LA160Accident · No injuriesClass 3 · LimitedFinal reportRemos Remos GX · Glendale, AZA total loss of engine power caused by fatigue cracking and fracture of the crankshaft. Contributing to the accident was the operator’s failure to properly maintain the airplane.NTSB ERA22LA241Accident · No injuriesClass 3 · LimitedFinal reportEvektor-Aerotechnik Sportstar · Lancaster, OHThe improper installation and subsequent failure of the pushrod O-rings, which resulted in failure of the No. 4 connecting rod due to oil starvation.NTSB ERA22LA011Accident · Minor injuriesClass 3 · LimitedFinal reportFlight Design Ctls · Greenville, SCA total loss of engine power resulting from the in-flight disconnection of oil hoses from the oil thermostat.NTSB WPR22LA002Accident · Minor injuriesClass 3 · LimitedFinal reportZenith CH750 · Oregon City, ORThe total loss of engine power for undetermined reasons.NTSB CEN21LA045Accident · No injuriesClass 3 · LimitedFinal reportJust SuperSTOL · Edgard, LAThe loss of engine power for reasons that could not be determined with the available information.NTSB WPR20LA012Accident · No injuriesClass 3 · LimitedFinal reportCzech Sport Sportcruiser · Holden, UTThe fatigue failure of the No. 2 cylinder intake valve spring retainer due to air trapped in the lubrication system, which resulted in a total loss of engine power. Contributing to the severity of the damage was the improper deployment of the ballistic…NTSB GAA19CA495Accident · Minor injuriesData collectionFinal reportFlight Design CT2K · Hooper, WAThe pilot's improper fuel planning, which resulted in fuel exhaustion, a total loss of engine power, an off-airport landing to a field, and a subsequent nose-over.NTSB WPR19LA129Accident · Serious injuriesClass 3 · LimitedFinal reportStorch FL-156C · Upland, CAThe pilot’s improper installation of the No. 3 cylinder valve cover, which resulted in an oil leak, oil starvation, and a subsequent total loss of engine power.NTSB ERA19LA141Accident · Serious injuriesClass 3 · LimitedFinal reportFlight Design Ctls · Palatka, FLThe pilot’s improper management of his fuel supply, which resulted in fuel exhaustion and a total loss of engine power. Contributing to the outcome was the improper maintenance of the airplane’s ballistic recovery parachute system, which resulted in its…NTSB ERA18LA097Accident · Minor injuriesLimited investigationFinal reportReilly Charles W Escapade · Palatka, FLThe interruption of fuel to the engine during final approach, which resulted in a total loss of engine power due to fuel starvation, and the pilot's subsequent failure to maintain airspeed, which resulted in an aerodynamic stall.NTSB CEN17LA041Accident · No injuriesLimited investigationFinal reportFlight Design Ctsw · Port Allen, LAThe total loss of engine power due to fuel starvation, which resulted from debris in the fuel selector valve restricting the fuel flow to the engine and led to a forced landing on rough terrain.NTSB CEN17LA021Accident · Serious injuriesLimited investigationFinal reportZenith CH-750 · Morristown, MNA total loss of engine power due to fuel vapor lock. Contributing to the loss of engine power were the corrosion of the spark plugs and the spacing of the electrode gaps.NTSB CEN16LA264Accident · No injuriesLimited investigationFinal reportAlonso CH 701 · Dexter, MIThe total loss of engine power for reasons that could not be determined because postaccident examination of the engine revealed no mechanical malfunctions or failures that would have precluded normal operation.NTSB ERA16LA247Accident · Minor injuriesLimited investigationFinal reportMormile Francis W Aventura II · West Pittsfield, METhe pilot's failure to maintain airplane control after a total loss of engine power due to carburetor icing, which accumulated because the carburetor heat was not functioning.NTSB CEN16LA221Accident · Minor injuriesLimited investigationFinal reportFlight Design Ctsw HXB · Sealy, TXFailure of maintenance personnel to comply with the engine manufacturer’s mandatory service bulletin, which resulted in failure of the mechanical fuel pump diaphragm and a subsequent total loss of engine power.NTSB ERA16LA148Accident · No injuriesLimited investigationFinal reportFlight Design Ctsw · Hilton Head Island, SCThe pilot's failure to apply carburetor heat following a loss of engine power due to carburetor icing.NTSB ERA16LA120Accident · No injuriesLimited investigationFinal reportCzech Aircraft Works Spol Sro Sportcruiser · Atlanta, GAA total loss of engine power due to fuel vapor lock. Contributing to the accident was the absence of a fuel return line.NTSB GAA15CA053Accident · Minor injuriesData collectionFinal reportAero SP Z O O AT 4 LSA · Colorado Springs, COThe pilot's decision to perform aerobatic maneuvers in an airplane not certified for aerobatic flight, which resulted in a loss of control and collision with terrain.NTSB ERA14LA344Accident · No injuriesLimited investigationFinal reportCostruzioni Aeronautiche Tecna P2004 Bravo · Melbourne, FLA total loss of engine power during cruise flight for reasons that could not be determined based on the available information.NTSB ERA14LA219Accident · Serious injuriesLimited investigationFinal reportCzech Sport Aircraft A S Sportcruiser · Advance, NCThe pilot’s failure to apply carburetor heat during a descent with reduced engine power while operating in conditions conducive to carburetor icing, which resulted in a total loss of engine power.NTSB CEN14LA226Accident · Minor injuriesLimited investigationFinal reportFlight Design Ctls · Greenville, TXThe fatigue failure of the No. 4 cylinder exhaust valve due to excessive wear of the corresponding train tappet, which resulted in a total loss of engine power.NTSB CEN13LA398Accident · Minor injuriesLimited investigationFinal reportFlight Design Ctls · Sandwich, ILThe pilot’s failure to recognize the formation of carburetor ice during cruise descent and apply carburetor heat, which resulted in the total loss of engine power.NTSB WPR11FA428Accident · 2 fatalField investigationFinal reportVeatch Kitfox · Caldwell, IDThe pilot’s failure to prevent a low-altitude stall and spin following a complete loss of engine power during the initial climb after takeoff.NTSB CEN11LA237Accident · No injuriesLimited investigationFinal reportCostruzioni Aeronautiche Tecna P2004 Bravo · Austin, TXThe loss of engine power due to fuel starvation for undetermined reasons.NTSB CEN10LA571Accident · Serious injuriesLimited investigationFinal reportCa Tecnam P2004 Bravo · Mason, MIA total loss of engine power for undetermined reasons, which resulted in a forced landing to a bean field.NTSB WPR10LA316Accident · No injuriesLimited investigationFinal reportMcGlashan T-51 Mustang · Columbia, CAA loss of engine power during approach due to thermal damage to the engine's electronic ignition module. Contributing to the accident was the builder’s placement of the ignition module near the engine’s exhaust.NTSB WPR10LA014Accident · No injuriesLimited investigationFinal reportCostruzioni Aeronautiche Tecna P2004 Bravo · Franklin, CAA total loss of engine power due to fuel starvation, as a result of the certified flight instructor's improper fuel system management.NTSB WPR09CA349Accident · No injuriesData collectionFinal reportEvektor-Aerotechnik Sportstar · Snohomish, WAA complete loss of engine power due to the failure of the airplane's engine-driven fuel pump.NTSB CHI08LA191Accident · 1 fatalLimited investigationFinal reportDrochak Aventura II · Flushing, MIA loss of engine power for undetermined reasons.NTSB MIA08LA101Accident · No injuriesLimited investigationFinal reportHigher Class Sport Hornet · Appling, GAThe interruption of fuel flow for undetermined reasons, resulting in a loss of engine power during flight.