NTSB investigations: Rotax 912ULS series
15 cases on aircraft whose registry engine model is Rotax 912ULS series, where the defining event was Loss of engine power (partial). 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 | 1 |
|---|---|
| 2012 | 2 |
| 2014 | 2 |
| 2015 | 1 |
| 2018 | 2 |
| 2020 | 3 |
| 2021 | 1 |
| 2023 | 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\" = '342'))
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" = '342'))
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 WPR26LA073Accident · No injuriesClass 3 · LimitedPreliminary reportEvektor - Aerotechnik A S Sportstar MAX · Needles, CAOn December 27, 2025, about 1109 Pacific standard time, an Evektor-Aerotechnik AS Sportstar Max LSA airplane, N2312T, was substantially damaged when it was involved in an accident near Needles, California. The pilot and pilot rated passenger were not injured.…NTSB WPR26LA022Accident · Minor injuriesClass 3 · LimitedPreliminary reportFlight Design Ctsw · Casa Grande, AZOn October 17, 2025, about 13:20 mountain standard time, a Flight Design GMBH CTSW, N531CT, was substantially damaged when it was involved in an accident near Casa Grande, Arizona. The pilot received minor injuries. The airplane was operated as a Title 14…NTSB WPR23FA299Accident · 2 fatalClass 3 · FieldFinal reportCzech Sport SportCruiser · Van Nuys, CAThe misalignment of the carburetor piston slides, which resulted in a partial loss of engine power, and the flight instructor’s failure to maintain control of the airplane during an emergency landing, leading to an aerodynamic stall and impact with terrain.NTSB CEN21LA241Accident · Serious injuriesClass 3 · LimitedFinal reportPipistrel Alpha Trainer · Fort Collins, COA partial loss of engine power due to the failure of the throttle control cable, which resulted in the loss of control of the dual carburetor system. The cable failure was a result of improper soldering at the throttle cable input terminal on the splitter…NTSB CEN20LA219Accident · 1 fatalClass 3 · LimitedFinal reportFlight Design Ctls · Beecher, ILThe pilot’s decision to continue takeoff after a partial loss of engine power, and the pilot’s subsequent failure to control airplane pitch during a forced landing. Contributing to the accident was the partial loss of engine power for reasons that could not…NTSB WPR20LA145Accident · No injuriesClass 3 · LimitedFinal reportCzech Sport Sport Cruiser · Logan, UTA partial loss of engine power during takeoff due to vapor lock.NTSB WPR20LA098Accident · Minor injuriesClass 3 · LimitedFinal reportFlight Design Ctls · Encino, NMA partial loss of engine power due to fuel starvation, which likely resulted from a leak in the fuel system.NTSB ERA19FA048Accident · 1 fatalField investigationFinal reportVans RV-12 · Niceville, FLA partial loss of engine power during initial climb for undetermined reasons, and pilot's failure to maintain airspeed during a turn back to the runway, which resulted in an exceedance of the airplane's critical angle of attack, and subsequent aerodynamic…NTSB WPR18LA111Accident · No injuriesLimited investigationFinal reportPflugradt Kitfox · Clatskanie, ORA partial loss of engine power due to an improperly secured throttle cable set screw.NTSB WPR15LA251Accident · No injuriesLimited investigationFinal reportDova DV-1 · San Carlos, CAA partial loss of engine power due to fuel vapor lock. Contributing to the accident was the absence of a fuel return line.NTSB CEN14LA385Accident · No injuriesLimited investigationFinal reportEvektor-Aerotechnik Sportstar · Wichita Falls, TXA partial loss of engine power, which resulted in a forced landing on unsuitable terrain. The reason for the loss of engine power could not be determined during postaccident examination.NTSB ERA14LA316Accident · Serious injuriesLimited investigationFinal reportCzech Sport Piper Sport · Peachtree City, GAThe pilot's incomplete assessment of the risk presented by operating an airplane with an unresolved history of engine power losses; a partial loss of engine power during takeoff due to operation of the engine with an excessively rich fuel/air mixture; and the…NTSB WPR12LA176Accident · Serious injuriesLimited investigationFinal reportSkykits USA Savannah ADV · Ookala, HIA loss of engine power during cruise for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation. Contributing to the accident was the pilot’s failure to avoid an…NTSB ERA12LA131Accident · No injuriesLimited investigationFinal reportHaney John F B Seastar XP · Willimantic, CTA partial loss of engine power due to carburetor icing. Contributing to the accident was the lack of an installed manufacturer-recommended carburetor heat system.NTSB ERA09FA005Accident · Minor injuriesField investigationFinal reportCzech Aircraft Works Spol Sro Sportcruiser · Swainsboro, GAA loss of engine power due to carburetor icing as a result of the pilot's failure to use carburetor heat.