# Rotax 912ULS

- Type: Engine model (FAA registry)
- Registry code: 55607
- Manufacturer (registry): ROTAX
- Model: 912ULS
- Engine type: Reciprocating
- Power: 100 hp
- Installed in: 59 registered aircraft
- Page: https://openairdocs.org/engine/rotax-912uls

Model codes come from the FAA registry's reference file.

## ADs that may apply (OpenAirDocs)

Matched to this engine model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

None matched.

## Registered aircraft (59, first 50)

- [N109RK](https://openairdocs.org/aircraft/N109RK): [Reik Oliver](https://openairdocs.org/faa-owner/REIK%20OLIVER), [Novi, MI](https://openairdocs.org/faa-place/MI/Novi), built 2025, S/N 10907
- [N109SK](https://openairdocs.org/aircraft/N109SK): [Barletta Mark S](https://openairdocs.org/faa-owner/BARLETTA%20MARK%20S), [Winter Haven, FL](https://openairdocs.org/faa-place/FL/Winter%20Haven), built 2024, S/N CH287C
- [N11XF](https://openairdocs.org/aircraft/N11XF): [Tango Kilo Papa LLC](https://openairdocs.org/faa-owner/TANGO%20KILO%20PAPA%20LLC), [Loris, SC](https://openairdocs.org/faa-place/SC/Loris), built 2025, S/N KA08350151
- [N1229G](https://openairdocs.org/aircraft/N1229G): [Smaglik Richard R](https://openairdocs.org/faa-owner/SMAGLIK%20RICHARD%20R), [Stevens Point, WI](https://openairdocs.org/faa-place/WI/Stevens%20Point), built 1997, S/N 6-1873
- [N127N](https://openairdocs.org/aircraft/N127N): [Crichton John A](https://openairdocs.org/faa-owner/CRICHTON%20JOHN%20A), [Polk City, FL](https://openairdocs.org/faa-place/FL/Polk%20City), built 2026, S/N 22-01-54-0846
- [N139LB](https://openairdocs.org/aircraft/N139LB): [Bentz Leslie Michael](https://openairdocs.org/faa-owner/BENTZ%20LESLIE%20MICHAEL), [Fort Worth, TX](https://openairdocs.org/faa-place/TX/Fort%20Worth), built 2011, S/N PFA 247-13254
- [N147L](https://openairdocs.org/aircraft/N147L): [Volkmer Hendrick](https://openairdocs.org/faa-owner/VOLKMER%20HENDRICK), [Austin, TX](https://openairdocs.org/faa-place/TX/Austin), built 2024, S/N 147
- [N193TF](https://openairdocs.org/aircraft/N193TF): [Watson Dana H](https://openairdocs.org/faa-owner/WATSON%20DANA%20H), [Elko, MN](https://openairdocs.org/faa-place/MN/Elko), built 1997, S/N 1566
- [N202FA](https://openairdocs.org/aircraft/N202FA): [Cruiser Aircraft USA LLC](https://openairdocs.org/faa-owner/CRUISER%20AIRCRAFT%20USA%20LLC), [Woods Cross, UT](https://openairdocs.org/faa-place/UT/Woods%20Cross), built 2024, S/N C0706
- [N218PC](https://openairdocs.org/aircraft/N218PC): [Tollefson Timothy J](https://openairdocs.org/faa-owner/TOLLEFSON%20TIMOTHY%20J), [Esko, MN](https://openairdocs.org/faa-place/MN/Esko), built 2025, S/N 0721648
- [N226TK](https://openairdocs.org/aircraft/N226TK): [Koehn Toby C](https://openairdocs.org/faa-owner/KOEHN%20TOBY%20C), [Boise, ID](https://openairdocs.org/faa-place/ID/Boise), built 2026, S/N 05250116
- [N255TB](https://openairdocs.org/aircraft/N255TB): [Balin Tim S](https://openairdocs.org/faa-owner/BALIN%20TIM%20S), [Sealy, TX](https://openairdocs.org/faa-place/TX/Sealy), built 2026, S/N 02324 AM-4
- [N26457](https://openairdocs.org/aircraft/N26457): [Prater Bobby D](https://openairdocs.org/faa-owner/PRATER%20BOBBY%20D), [Grand Ledge, MI](https://openairdocs.org/faa-place/MI/Grand%20Ledge), built 2025, S/N VX2-014
- [N298M](https://openairdocs.org/aircraft/N298M): [Hawkins John C](https://openairdocs.org/faa-owner/HAWKINS%20JOHN%20C), [Williamsburg, VA](https://openairdocs.org/faa-place/VA/Williamsburg), built 2014, S/N 0036
- [N319ED](https://openairdocs.org/aircraft/N319ED): [Ayers David D](https://openairdocs.org/faa-owner/AYERS%20DAVID%20D), [Salem, OR](https://openairdocs.org/faa-place/OR/Salem), built 2021, S/N 120279
- [N325LJ](https://openairdocs.org/aircraft/N325LJ): [Jones Teegan J](https://openairdocs.org/faa-owner/JONES%20TEEGAN%20J), [Canton, MS](https://openairdocs.org/faa-place/MS/Canton), built 2026, S/N 824
- [N337SP](https://openairdocs.org/aircraft/N337SP): [Davis Thomas E](https://openairdocs.org/faa-owner/DAVIS%20THOMAS%20E), [Hollister, CA](https://openairdocs.org/faa-place/CA/Hollister), built 2005, S/N R3-00R-0001
- [N3405K](https://openairdocs.org/aircraft/N3405K): [Davidson Karl A](https://openairdocs.org/faa-owner/DAVIDSON%20KARL%20A), [Summerfield, FL](https://openairdocs.org/faa-place/FL/Summerfield), built 2024, S/N 120796
- [N350TG](https://openairdocs.org/aircraft/N350TG): [Evolution Aircraft Inc](https://openairdocs.org/faa-owner/EVOLUTION%20AIRCRAFT%20INC), [Zephyrhills, FL](https://openairdocs.org/faa-place/FL/Zephyrhills), built 2025, S/N 001053
- [N356MW](https://openairdocs.org/aircraft/N356MW): [Jones Corey Dartnell](https://openairdocs.org/faa-owner/JONES%20COREY%20DARTNELL), [Peoria, AZ](https://openairdocs.org/faa-place/AZ/Peoria), built 2025, S/N KA19274425
- [N3690U](https://openairdocs.org/aircraft/N3690U): [Feld Donald H](https://openairdocs.org/faa-owner/FELD%20DONALD%20H), [Rhodes, IA](https://openairdocs.org/faa-place/IA/Rhodes), S/N 09131975
- [N422VH](https://openairdocs.org/aircraft/N422VH): [Kelly Richard W](https://openairdocs.org/faa-owner/KELLY%20RICHARD%20W), [Ocklawaha, FL](https://openairdocs.org/faa-place/FL/Ocklawaha), built 2010, S/N 08081900
- [N442DU](https://openairdocs.org/aircraft/N442DU): [Droessler Justin G](https://openairdocs.org/faa-owner/DROESSLER%20JUSTIN%20G), [New Brighton, MN](https://openairdocs.org/faa-place/MN/New%20Brighton), built 2025, S/N JAESC00107
- [N479WG](https://openairdocs.org/aircraft/N479WG): [Gilbrech Will J](https://openairdocs.org/faa-owner/GILBRECH%20WILL%20J), [Springdale, AR](https://openairdocs.org/faa-place/AR/Springdale), built 2026, S/N C94050027
- [N500AT](https://openairdocs.org/aircraft/N500AT): [Turner Alan R](https://openairdocs.org/faa-owner/TURNER%20ALAN%20R), [Wilmington, NC](https://openairdocs.org/faa-place/NC/Wilmington), built 2025, S/N KA13250272
- [N506FB](https://openairdocs.org/aircraft/N506FB): [Yale Companies LLC](https://openairdocs.org/faa-owner/YALE%20COMPANIES%20LLC), [Fishers, IN](https://openairdocs.org/faa-place/IN/Fishers), built 2025, S/N 20252289
- [N508FB](https://openairdocs.org/aircraft/N508FB): [Yale Companies LLC DBA](https://openairdocs.org/faa-owner/YALE%20COMPANIES%20LLC%20DBA), [Fishers, IN](https://openairdocs.org/faa-place/IN/Fishers), built 2025, S/N 20252290
- [N512JB](https://openairdocs.org/aircraft/N512JB): [Bell Jack L](https://openairdocs.org/faa-owner/BELL%20JACK%20L), [Austin, TX](https://openairdocs.org/faa-place/TX/Austin), built 2026, S/N JB006
- [N515MK](https://openairdocs.org/aircraft/N515MK): [Vaughan Thomas](https://openairdocs.org/faa-owner/VAUGHAN%20THOMAS), [Bakersfield, CA](https://openairdocs.org/faa-place/CA/Bakersfield), built 2025, S/N 1213
- [N516HP](https://openairdocs.org/aircraft/N516HP): [Sellers Jim M](https://openairdocs.org/faa-owner/SELLERS%20JIM%20M), [Baxley, GA](https://openairdocs.org/faa-place/GA/Baxley), built 2025, S/N 0513591
- [N519MM](https://openairdocs.org/aircraft/N519MM): built 2016, S/N 070800026
- [N522VT](https://openairdocs.org/aircraft/N522VT): [Tarris Timothy](https://openairdocs.org/faa-owner/TARRIS%20TIMOTHY), [Tucson, AZ](https://openairdocs.org/faa-place/AZ/Tucson), built 2026, S/N 3000-025
- [N555EV](https://openairdocs.org/aircraft/N555EV): [Zadigian Martin](https://openairdocs.org/faa-owner/ZADIGIAN%20MARTIN), [Dearborn Heights, MI](https://openairdocs.org/faa-place/MI/Dearborn%20Heights), built 2010, S/N 000555
- [N556GT](https://openairdocs.org/aircraft/N556GT): [Schillinger Mark Lee](https://openairdocs.org/faa-owner/SCHILLINGER%20MARK%20LEE), [Hercules, CA](https://openairdocs.org/faa-place/CA/Hercules), built 2025, S/N VX2-011
- [N56RD](https://openairdocs.org/aircraft/N56RD): [Duffy Russell A](https://openairdocs.org/faa-owner/DUFFY%20RUSSELL%20A), [Tellico Plains, TN](https://openairdocs.org/faa-place/TN/Tellico%20Plains), built 2026, S/N TR018-7-25
- [N603MB](https://openairdocs.org/aircraft/N603MB): [Brockmann Matthew J](https://openairdocs.org/faa-owner/BROCKMANN%20MATTHEW%20J), [Las Vegas, NV](https://openairdocs.org/faa-place/NV/Las%20Vegas), built 2026, S/N KA23283600
- [N617VG](https://openairdocs.org/aircraft/N617VG): [Cal Motor Soaring LLC](https://openairdocs.org/faa-owner/CAL%20MOTOR%20SOARING%20LLC), [San Jose, CA](https://openairdocs.org/faa-place/CA/San%20Jose), built 2024, S/N 164/13 DF
- [N701W](https://openairdocs.org/aircraft/N701W): [Stilson Carson](https://openairdocs.org/faa-owner/STILSON%20CARSON), [Saint George, UT](https://openairdocs.org/faa-place/UT/Saint%20George), built 2026, S/N 7-12168
- [N723PB](https://openairdocs.org/aircraft/N723PB): [Johnson Robert W](https://openairdocs.org/faa-owner/JOHNSON%20ROBERT%20W), [Geneseo, IL](https://openairdocs.org/faa-place/IL/Geneseo), built 2026, S/N 08150048
- [N730TF](https://openairdocs.org/aircraft/N730TF): [Fiedler Timothy](https://openairdocs.org/faa-owner/FIEDLER%20TIMOTHY), [Gig Harbor, WA](https://openairdocs.org/faa-place/WA/Gig%20Harbor), built 2026, S/N SD 912 2303
- [N753SB](https://openairdocs.org/aircraft/N753SB): [Nihsap](https://openairdocs.org/faa-owner/NIHSAP), [Laclede, ID](https://openairdocs.org/faa-place/ID/Laclede), built 2025, S/N 75-11450
- [N774A](https://openairdocs.org/aircraft/N774A): [Thorson Melvin E](https://openairdocs.org/faa-owner/THORSON%20MELVIN%20E), [Grand Junction, CO](https://openairdocs.org/faa-place/CO/Grand%20Junction), built 2025, S/N 02-10-51-173
- [N7750C](https://openairdocs.org/aircraft/N7750C): [Campbell Collin K](https://openairdocs.org/faa-owner/CAMPBELL%20COLLIN%20K), [Bolivar, MO](https://openairdocs.org/faa-place/MO/Bolivar), built 2025, S/N 75-11949
- [N7762D](https://openairdocs.org/aircraft/N7762D): [Donovan Brian W](https://openairdocs.org/faa-owner/DONOVAN%20BRIAN%20W), [Concordia, KS](https://openairdocs.org/faa-place/KS/Concordia), built 2017, S/N 02170069
- [N7809T](https://openairdocs.org/aircraft/N7809T): [Tomsheck Joshua E](https://openairdocs.org/faa-owner/TOMSHECK%20JOSHUA%20E), [Wadsworth, OH](https://openairdocs.org/faa-place/OH/Wadsworth), built 2025, S/N JA331-11-13
- [N781EX](https://openairdocs.org/aircraft/N781EX): [Ferstl Mark R](https://openairdocs.org/faa-owner/FERSTL%20MARK%20R), [Tucson, AZ](https://openairdocs.org/faa-place/AZ/Tucson), built 2025, S/N ONX 0040
- [N793EE](https://openairdocs.org/aircraft/N793EE): [Goodrich Vernon](https://openairdocs.org/faa-owner/GOODRICH%20VERNON), [Zebulon, NC](https://openairdocs.org/faa-place/NC/Zebulon), built 2026, S/N TR-0006
- [N801FA](https://openairdocs.org/aircraft/N801FA): [Cruiser Aircraft USA LLC](https://openairdocs.org/faa-owner/CRUISER%20AIRCRAFT%20USA%20LLC), [Woods Cross, UT](https://openairdocs.org/faa-place/UT/Woods%20Cross), built 2024, S/N C0705
- [N808FF](https://openairdocs.org/aircraft/N808FF): [Schmid Robert](https://openairdocs.org/faa-owner/SCHMID%20ROBERT), [Covina, CA](https://openairdocs.org/faa-place/CA/Covina), built 2024, S/N 023
- [N815MS](https://openairdocs.org/aircraft/N815MS): [Streitz Mark](https://openairdocs.org/faa-owner/STREITZ%20MARK), [Joliet, IL](https://openairdocs.org/faa-place/IL/Joliet), built 2024, S/N AC-201

All 59: https://openairdocs.org/engine/rotax-912uls/aircraft.md

## NTSB investigations (3)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB WPR26LA282](https://openairdocs.org/ntsb/WPR26LA282), Jul 30, 2026: Mark Lee Schillinger GT-VX2 (N556GT), Petaluma, CA, substantial damage, investigation ongoing
- [NTSB ANC26LA052](https://openairdocs.org/ntsb/ANC26LA052), Jun 10, 2026: Timothy G Tarris Early Bird Jenny (N522VT), Lamar, CO, substantial damage, investigation ongoing
- [NTSB CEN25LA375](https://openairdocs.org/ntsb/CEN25LA375), Sep 11, 2025: Just Highlander (N442DU), Forest Lake, MN, substantial damage. Probable cause: The pilot’s failure to maintain directional control of the airplane during a gusty crosswind landing.

## FAA accident and incident reports (3)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 20260610008749A](https://openairdocs.org/incident/20260610008749A), Jun 10, 2026: Timothy G Tarris EARLY BIRD JENNY (N522VT), Lamar, CO, Destroyed. Aircraft was coming in for a landing on rwy 18 in Lamar co. aircraft briefly landed on rwy 18 but seemed to be having some sort of trouble. He then lifted off…
- [Accident 20250911012529A](https://openairdocs.org/incident/20250911012529A), Sep 11, 2025: Droessler Justin G JUST ACFT HIGHLANDER (N442DU), Forest Lake, MN, Substantial damage. The PIC was performing his third phase one flight test of his amateur-built just aircraft highlander. Winds were out of the west at 8 knots, gusting to 15…
- [Incident 20130512009029I](https://openairdocs.org/incident/20130512009029I), May 12, 2013: Evolution Trikes REVO (N555EV), Albuquerque, NM, Minor damage. Airman was doing touch and goes on a dirt road 3 miles sw of double eagle airport, Albuquerque, new Mexico (kaeg) when the landing gear struck a mound of dirt…

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