# NTSB investigations: Rotax 912ULS series: Loss of engine power (partial)

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

## Latest cases

- [NTSB WPR26LA073](https://openairdocs.org/ntsb/WPR26LA073.md): Evektor - Aerotechnik A S Sportstar MAX · Needles, CA · Accident · No injuries · Class 3 · Limited · Preliminary report · Dec 27, 2025 · N2312T · Substantial damage
  > On 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 WPR26LA022](https://openairdocs.org/ntsb/WPR26LA022.md): Flight Design Ctsw · Casa Grande, AZ · Accident · Minor injuries · Class 3 · Limited · Preliminary report · Oct 17, 2025 · N531CT · Substantial damage
  > On 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 WPR23FA299](https://openairdocs.org/ntsb/WPR23FA299.md): Czech Sport SportCruiser · Van Nuys, CA · Accident · 2 fatal · Class 3 · Field · Final report · Aug 2, 2023 · N384SC · Destroyed
  > The 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 CEN21LA241](https://openairdocs.org/ntsb/CEN21LA241.md): Pipistrel Alpha Trainer · Fort Collins, CO · Accident · Serious injuries · Class 3 · Limited · Final report · May 28, 2021 · N119JP · Substantial damage
  > A 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 CEN20LA219](https://openairdocs.org/ntsb/CEN20LA219.md): Flight Design Ctls · Beecher, IL · Accident · 1 fatal · Class 3 · Limited · Final report · Jun 8, 2020 · N257V · Destroyed
  > The 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 WPR20LA145](https://openairdocs.org/ntsb/WPR20LA145.md): Czech Sport Sport Cruiser · Logan, UT · Accident · No injuries · Class 3 · Limited · Final report · Apr 22, 2020 · N802PS · Substantial damage
  > A partial loss of engine power during takeoff due to vapor lock.
- [NTSB WPR20LA098](https://openairdocs.org/ntsb/WPR20LA098.md): Flight Design Ctls · Encino, NM · Accident · Minor injuries · Class 3 · Limited · Final report · Mar 4, 2020 · N505MA · Substantial damage
  > A partial loss of engine power due to fuel starvation, which likely resulted from a leak in the fuel system.
- [NTSB ERA19FA048](https://openairdocs.org/ntsb/ERA19FA048.md): Vans RV-12 · Niceville, FL · Accident · 1 fatal · Field investigation · Final report · Nov 17, 2018 · N232VA · Substantial damage
  > A 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 WPR18LA111](https://openairdocs.org/ntsb/WPR18LA111.md): Pflugradt Kitfox · Clatskanie, OR · Accident · No injuries · Limited investigation · Final report · Mar 20, 2018 · N925DP · Substantial damage
  > A partial loss of engine power due to an improperly secured throttle cable set screw.
- [NTSB WPR15LA251](https://openairdocs.org/ntsb/WPR15LA251.md): Dova DV-1 · San Carlos, CA · Accident · No injuries · Limited investigation · Final report · Aug 28, 2015 · N919E · Substantial damage
  > A partial loss of engine power due to fuel vapor lock. Contributing to the accident was the absence of a fuel return line.
- [NTSB CEN14LA385](https://openairdocs.org/ntsb/CEN14LA385.md): Evektor-Aerotechnik Sportstar · Wichita Falls, TX · Accident · No injuries · Limited investigation · Final report · Jul 19, 2014 · N636EV · Substantial damage
  > A 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 ERA14LA316](https://openairdocs.org/ntsb/ERA14LA316.md): Czech Sport Piper Sport · Peachtree City, GA · Accident · Serious injuries · Limited investigation · Final report · Jun 29, 2014 · N957MD · Substantial damage
  > The 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 WPR12LA176](https://openairdocs.org/ntsb/WPR12LA176.md): Skykits USA Savannah ADV · Ookala, HI · Accident · Serious injuries · Limited investigation · Final report · Apr 19, 2012 · N5089F · Substantial damage
  > A 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 ERA12LA131](https://openairdocs.org/ntsb/ERA12LA131.md): Haney John F B Seastar XP · Willimantic, CT · Accident · No injuries · Limited investigation · Final report · Jan 1, 2012 · N667JH · Substantial damage
  > A 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 ERA09FA005](https://openairdocs.org/ntsb/ERA09FA005.md): Czech Aircraft Works Spol Sro Sportcruiser · Swainsboro, GA · Accident · Minor injuries · Field investigation · Final report · Oct 5, 2008 · N742EA · Substantial damage
  > A loss of engine power due to carburetor icing as a result of the pilot's failure to use carburetor heat.

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
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
```

This list as a web page: https://openairdocs.org/ntsb-events/342/cases?engine=55572

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
