The U.S. aircraft register, updated daily
The register · data as of October 7, 2026

Aircraft with Rotax 503 DCDI engines built in the 2020s

12 on the U.S. register, newest registrations first. This is the list behind a number on another page; the words above say exactly what it counts. Individuals are not named at this time; companies, trusts and government bodies are shown as the FAA publishes them.

Tail no.Maker and modelOwner and baseCertificateRegisteredStatus
N279SD Sidney G Drake
RANS S-4 COYOTE
Individual owner
Texas
Experimental 2026-09-16 ValidFAA registration status code V: Valid registration. All codes
N58RM Pipistrel
TAURUS 503 LSA
Individual owner
Georgia
Standard 2025-09-09 ValidFAA registration status code V: Valid registration. All codes
N612NC Michael E Schumacher
CHALLENGER II
Individual owner
Illinois
Experimental 2023-12-28 ValidFAA registration status code V: Valid registration. All codes
N7456B Michael E Smith
QUICKSILVER MXII
Individual owner
Arkansas
Experimental 2023-02-28 ValidFAA registration status code V: Valid registration. All codes
N5949Y Howard Rogers
MXL II SPORT
Individual owner
Texas
Experimental 2023-01-24 ValidFAA registration status code V: Valid registration. All codes
N405AC Campbell Arnold
CHALLENGER 2
Individual owner
Indiana
Experimental 2021-10-20 ValidFAA registration status code V: Valid registration. All codes
N93106 Hladilek Anthony T F
QUICK E
Individual owner
Wisconsin
Experimental 2021-08-17 ValidFAA registration status code V: Valid registration. All codes
N898NT Taylor Gregory S
EXCALIBUR
Individual owner
Ohio
Experimental 2021-01-25 ValidFAA registration status code V: Valid registration. All codes
N947BX Bertling Courtney
MXL-2
Individual owner
Oregon
Experimental 2019-12-04 ValidFAA registration status code V: Valid registration. All codes
N553FT Schroeder Derek D
CHALLENGER 1 CWS
Individual owner
Nebraska
Experimental 2017-05-26 ValidFAA registration status code V: Valid registration. All codes
N106BL Leftwich Brian L
LEFTWICH SPRINT
Individual owner
Ohio
Experimental PendingFAA registration status code R: Registration pending. All codes
N722QD Shuman Donald J
CHALLENGER II
Individual owner
Wisconsin
Experimental CanceledFAA registration status code 18: Sale reported, canceled. All codes