The U.S. aircraft register, updated daily
The register · data as of October 8, 2026

Aircraft with Rotax 503 DCDI engines built in the 2000s

247 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
N367DM Markham David B
MAINAIR BLADE
Kc Aviation Aeroclub LLC
Plantation, Florida
Experimental 2026-09-09 ValidFAA registration status code V: Valid registration. All codes
N354CD Platt James R
KOLB FIRESTAR
Individual owner
Washington
Experimental 2026-09-02 ValidFAA registration status code V: Valid registration. All codes
N214TR Hill J/Hill M
CHALLENGER II
Individual owner
California
Experimental 2026-07-22 ValidFAA registration status code V: Valid registration. All codes
N543BW Wechman Brian
CHALLENGER II
Individual owner
Tennessee
Experimental 2026-07-10 ValidFAA registration status code V: Valid registration. All codes
N239WP U-Fly-It Ultralights
CHALLENGER II
Co-owned owner
Colorado
Experimental 2026-07-08 ValidFAA registration status code V: Valid registration. All codes
N2694R Quad Ultralight Aircraft Corp
CHALLENGER II
Individual owner
Virginia
Experimental 2026-05-15 ValidFAA registration status code V: Valid registration. All codes
N5069Y Sabre Aircraft
SABRE TRIKE
Individual owner
Puerto Rico
Experimental 2026-05-05 ValidFAA registration status code V: Valid registration. All codes
N100CS Scurlock Donald Craig
CHALLENGER II
Individual owner
Alabama
Experimental 2026-04-03 ValidFAA registration status code V: Valid registration. All codes
N989MC Diamore Michael
CHALLENGER II
Individual owner
Arkansas
Experimental 2026-02-28 ValidFAA registration status code V: Valid registration. All codes
N400GV Quicksilver
GT-400
Individual owner
Wisconsin
Experimental 2026-01-28 ValidFAA registration status code V: Valid registration. All codes
N3733U Umbarger Daniel L
DANUMBARGERGTSPECIAL
Individual owner
Louisiana
Experimental 2025-12-11 ValidFAA registration status code V: Valid registration. All codes
N382PC Schirck Francis J
EXCALIBUR/WIDE
Individual owner
Florida
Experimental 2025-11-23 ValidFAA registration status code V: Valid registration. All codes
N53RK Kettley Rick
CHALLENGER II
Individual owner
Florida
Experimental 2025-10-28 ValidFAA registration status code V: Valid registration. All codes
N109RH Heigl Rudolph F
FIRESTAR II
Individual owner
Oregon
Experimental 2025-06-20 ValidFAA registration status code V: Valid registration. All codes
N21388 Kolb Aircraft Co
FIRESTAR II
Individual owner
Minnesota
Experimental 2025-04-22 ValidFAA registration status code V: Valid registration. All codes
N552EL Scherb Ernest
CHALLENGER II
Individual owner
New Mexico
Experimental 2025-01-29 ValidFAA registration status code V: Valid registration. All codes
N9381M Wulfinghoff Donald R
MXII
Individual owner
Maryland
Experimental 2024-12-09 ValidFAA registration status code V: Valid registration. All codes
N1666R Holtz Rodney R
CHALLENGER II
Individual owner
New Hampshire
Experimental 2024-10-30 ValidFAA registration status code V: Valid registration. All codes
N35172 Aerotrike
SAFARI
Individual owner
Mississippi
Experimental 2024-10-28 ValidFAA registration status code V: Valid registration. All codes
N75051 Williams Samuel V
CHALLENGER II
Individual owner
Alabama
Experimental 2024-08-28 ValidFAA registration status code V: Valid registration. All codes
N503DK Francois Tillmann
CHALLENGER II
Individual owner
Illinois
Experimental 2024-08-22 ValidFAA registration status code V: Valid registration. All codes
N728GB Bipes Gary
RANS S-12XL
Individual owner
Minnesota
Experimental 2024-07-19 ValidFAA registration status code V: Valid registration. All codes
N52711 Rutter William
CHALLENGER II
Sharp Maurice D
Wakefield, Kansas
Experimental 2024-06-01 ValidFAA registration status code V: Valid registration. All codes
N22HK Cgs Hawk
HAWK CLASSIC
Individual owner
North Carolina
Experimental 2024-05-28 ValidFAA registration status code V: Valid registration. All codes
N1673L Pegasus Aviation
QUANTUM SS-15-503
Individual owner
Virginia
Experimental 2024-05-20 ValidFAA registration status code V: Valid registration. All codes
N2550E Quad City Ultralight Acft Corp
CHALLENGER II
Individual owner
Tennessee
Experimental 2024-03-16 ValidFAA registration status code V: Valid registration. All codes
N147PM Quad City
CHALLENGER II
Individual owner
California
Experimental 2024-02-19 ValidFAA registration status code V: Valid registration. All codes
N503HW Quicksilver
GT-400
Individual owner
Illinois
Experimental 2023-12-18 ValidFAA registration status code V: Valid registration. All codes
N1974L Miner Lloyd A
CHALLENGER II
Individual owner
Wisconsin
Experimental 2023-12-06 ValidFAA registration status code V: Valid registration. All codes
N722KM Kolb
TWINSTAR MARK II
Individual owner
Michigan
Experimental 2023-12-04 ValidFAA registration status code V: Valid registration. All codes
N1948R Bura David
CHALLENGER II
Individual owner
Kentucky
Experimental 2023-10-07 ValidFAA registration status code V: Valid registration. All codes
N2091J Cheurier Armand
KITFOX 3
Individual owner
Tennessee
Experimental 2023-08-02 ValidFAA registration status code V: Valid registration. All codes
N2551Y Quad City Ultralight Acft Corp
CHALLENGER II
Individual owner
Nevada
Experimental 2023-06-29 ValidFAA registration status code V: Valid registration. All codes
N9321R Bangert Lowell F
CHALLENGER II
Individual owner
Iowa
Experimental 2023-06-17 ValidFAA registration status code V: Valid registration. All codes
N2678P Quicksilver
GT-400
Individual owner
Texas
Experimental 2023-06-07 ValidFAA registration status code V: Valid registration. All codes
N503DF Reynolds Jackye S
DEEREFLY TRIKE
Individual owner
North Carolina
Experimental 2023-05-29 ValidFAA registration status code V: Valid registration. All codes
N4292G Quad City Ultralight Acft Corp
CHALLENGER SPECIAL
Individual owner
South Dakota
Light sport 2023-05-05 ValidFAA registration status code V: Valid registration. All codes
N3973V North Wing
APPACHIE
Individual owner
Texas
Experimental 2023-05-01 ValidFAA registration status code V: Valid registration. All codes
N213JB Badessa John
TITAN TORNADO II
Individual owner
Texas
Experimental 2023-04-25 ValidFAA registration status code V: Valid registration. All codes
N5596V Rathbun Robert M
KOLB MARK II
Individual owner
Iowa
Experimental 2023-03-20 ValidFAA registration status code V: Valid registration. All codes
N556TD Pegasus Aviation
QUANTUM 15
Individual owner
Missouri
Experimental 2023-03-06 ValidFAA registration status code V: Valid registration. All codes
N380JM Martin James A
QUICKSILVER GT 400
Individual owner
California
Experimental 2023-03-04 ValidFAA registration status code V: Valid registration. All codes
N5076G Batman Wilbur D
AEROTRIKE SCOUT
Individual owner
Texas
Experimental 2023-01-12 ValidFAA registration status code V: Valid registration. All codes
N5074J Apollo
JET STAR II
Individual owner
Pennsylvania
Experimental 2022-11-09 ValidFAA registration status code V: Valid registration. All codes
N9434F Ultralight Aircraft Corp
CHALLENGER II
Individual owner
South Carolina
Experimental 2022-11-02 ValidFAA registration status code V: Valid registration. All codes
N5161V Ultralight Flight Inc
PHANTOM I
Co-owned owner
Michigan
Experimental 2022-10-11 ValidFAA registration status code V: Valid registration. All codes
N108RG Flying K Enterprizes
SKY RAIDER II
Co-owned owner
North Carolina
Experimental 2022-09-23 ValidFAA registration status code V: Valid registration. All codes
N613MD Daugherty Monte R
RIDGE RUNNER III
Individual owner
Wisconsin
Experimental 2022-08-29 ValidFAA registration status code V: Valid registration. All codes
N187EJ Quad City Ultralight Acft Corp
CHALLENGER II
Individual owner
North Dakota
Experimental 2022-08-22 ValidFAA registration status code V: Valid registration. All codes
N5698T Rfd Ultrawhite
ULTRAWHITE
Individual owner
South Carolina
Experimental 2022-07-16 ValidFAA registration status code V: Valid registration. All codes
N50903 Leon James M
FLIGHTSTAR IISC
Individual owner
North Carolina
Experimental 2022-04-19 ValidFAA registration status code V: Valid registration. All codes
N6110R Williford Drury F Jr
CHALLENGER II
Individual owner
Mississippi
Experimental 2022-04-08 ValidFAA registration status code V: Valid registration. All codes
N5518L North Wing Design Inc
APACHE CLASSIC
Individual owner
Maine
Experimental 2022-02-17 ValidFAA registration status code V: Valid registration. All codes
N1701B Maxair
DRIFTER XP
Kedish Kirk
Helena, Montana
Experimental 2021-12-06 ValidFAA registration status code V: Valid registration. All codes
N99TY Young Terry J
SR2
Individual owner
Tennessee
Experimental 2021-08-21 ValidFAA registration status code V: Valid registration. All codes
N5119V Quad City Ultralight Acft Corp
CHALLENGER II
Individual owner
North Carolina
Experimental 2021-06-02 ValidFAA registration status code V: Valid registration. All codes
N7511Y Cosmos
BISON
Individual owner
Texas
Experimental 2021-06-01 ValidFAA registration status code V: Valid registration. All codes
N3039G Lindquist F R /Mcdonnell Tim R
CHALLENGER II
Individual owner
Ohio
Experimental 2021-05-25 ValidFAA registration status code V: Valid registration. All codes
N375HH New Kolb Aircraft Co
FIRESTAR II
Individual owner
Washington
Experimental 2021-05-20 ValidFAA registration status code V: Valid registration. All codes
N899RD Larry W Dunn
QUAD CITY ACFT CHALL
Individual owner
Missouri
Experimental 2021-05-12 ValidFAA registration status code V: Valid registration. All codes
N8507V Holland Henry L
TITAN A/C TORNADO I
Individual owner
Arkansas
Experimental 2021-04-24 ValidFAA registration status code V: Valid registration. All codes
N7UL Addison Keith E
QUICKSILVER SPRINTII
Taylor Aviation INC
North Aurora, Illinois
Experimental 2021-04-23 ValidFAA registration status code V: Valid registration. All codes
N95386 Aerochute Ind Pty Ltd
AEROCHUTE
Individual owner
Illinois
Experimental 2021-04-19 ValidFAA registration status code V: Valid registration. All codes
N748JB Benton James H Jr
CHALLENGER II
Individual owner
Georgia
Experimental 2021-02-20 ValidFAA registration status code V: Valid registration. All codes
N6052E Glover E R
KOLB FIRESTAR II
Individual owner
California
Experimental 2021-02-19 ValidFAA registration status code V: Valid registration. All codes
N3010F North Wing
APACHE
Individual owner
Arkansas
Experimental 2021-02-09 ValidFAA registration status code V: Valid registration. All codes
N2710N Eipper Acft Inc
QUICKSILVER MF
Individual owner
Oregon
Experimental 2021-01-23 ValidFAA registration status code V: Valid registration. All codes
N142DH Pegasus
SUPER SPORT
Individual owner
Missouri
Experimental 2021-01-07 ValidFAA registration status code V: Valid registration. All codes
N34FS Fasone Philip R
FLIGHTSTAR IISC
Individual owner
Georgia
Experimental 2020-12-21 ValidFAA registration status code V: Valid registration. All codes
N348SM Monacelli Russell
MONACELLI CHI
Co-owned owner
Wisconsin
Experimental 2020-10-22 ValidFAA registration status code V: Valid registration. All codes
N453MJ Jarvis Michael C
CGS HAWK SS ARROW
Individual owner
Indiana
Experimental 2020-10-21 ValidFAA registration status code V: Valid registration. All codes
N829BH Aeros Ltd
SKYRANGER
Individual owner
Maine
Light sport 2020-10-21 ValidFAA registration status code V: Valid registration. All codes
N414LS Stokes Leslie Ray
CHALLENGER II
Individual owner
Oklahoma
Experimental 2020-09-10 ValidFAA registration status code V: Valid registration. All codes
N8614Z Aerotrike
SAFARI
Co-owned owner
Indiana
Experimental 2020-08-13 ValidFAA registration status code V: Valid registration. All codes
N129AY Yarberry Manuel
CHALLENGER II
Individual owner
New Hampshire
Experimental 2020-07-13 ValidFAA registration status code V: Valid registration. All codes
N53XY Schwartz Kenneth G
S17 STINGER
Individual owner
California
Experimental 2020-07-06 ValidFAA registration status code V: Valid registration. All codes
N8607E Blake Robert E
CHALLENGER 2
Pelikan Baye Aviation LLC
Saint Charles, Missouri
Experimental 2020-01-27 ValidFAA registration status code V: Valid registration. All codes
N827BA Quad City Ultralight
CHALLENGER II LSS
Individual owner
Texas
Experimental 2019-12-16 ValidFAA registration status code V: Valid registration. All codes
N797HS Harmening
HIGH FLYER
Individual owner
New York
Experimental 2019-12-10 ValidFAA registration status code V: Valid registration. All codes
N1113W Suarez R Murray
RIDGE RUNNER III
Individual owner
Vermont
Experimental 2019-10-29 ValidFAA registration status code V: Valid registration. All codes
N102JC Antares
MA-32R503
Individual owner
Arizona
Experimental 2019-10-24 ValidFAA registration status code V: Valid registration. All codes
N742K Kinney Richard M Jr
AEROS-2
Individual owner
Kentucky
Experimental 2019-09-26 ValidFAA registration status code V: Valid registration. All codes
N678DT Pegasus Aviation
QUANTUM SUPER SPORT
Individual owner
New Mexico
Experimental 2019-09-11 ValidFAA registration status code V: Valid registration. All codes
N444FB Bower Frederick S
DOMINATOR
Individual owner
Michigan
Experimental 2019-07-31 ValidFAA registration status code V: Valid registration. All codes
N4430A Newsome Winfred T
KOLB FIRESTAR
Individual owner
Pennsylvania
Experimental 2019-07-24 ValidFAA registration status code V: Valid registration. All codes
N434LB Brandt Leroy E
BRANDT LEROY E 2PL
Individual owner
North Carolina
Experimental 2019-05-30 ValidFAA registration status code V: Valid registration. All codes
N241PW Pappas Chris A
GT-400
Individual owner
Alabama
Experimental 2019-04-29 ValidFAA registration status code V: Valid registration. All codes
N969EL Leither Ernest L
CHALLENGER II
Individual owner
Iowa
Experimental 2019-01-31 ValidFAA registration status code V: Valid registration. All codes
N60101 Aquilair
AQUILAIR
Individual owner
Florida
Experimental 2019-01-10 ValidFAA registration status code V: Valid registration. All codes
N320CK Klemp Gregory J Sr
CHALLENGER 1
Individual owner
Ohio
Experimental 2018-12-15 ValidFAA registration status code V: Valid registration. All codes
N43132 Eddy James E
CHALLENGER II
Individual owner
Indiana
Experimental 2018-11-30 ValidFAA registration status code V: Valid registration. All codes
N315TC Steichen Lyle C
TIGER CUB
Individual owner
Minnesota
Experimental 2018-10-04 ValidFAA registration status code V: Valid registration. All codes
N528PG Airborne
REDBACK
Individual owner
Oregon
Experimental 2018-09-14 ValidFAA registration status code V: Valid registration. All codes
N279JD Duffy John F
KOLB MARK III
Individual owner
Massachusetts
Experimental 2018-08-31 ValidFAA registration status code V: Valid registration. All codes
N503BP Peterson Bill
KOLB FIRESTAR
Individual owner
Nevada
Experimental 2018-08-29 ValidFAA registration status code V: Valid registration. All codes
N304RT Cgs Aviation
CLASSIC
Individual owner
Oklahoma
Experimental 2018-08-02 ValidFAA registration status code V: Valid registration. All codes
N9132V Quad City Ultralights
CHALLENGER II
Individual owner
Ohio
Experimental 2018-06-21 ValidFAA registration status code V: Valid registration. All codes
N797AK Airborne
REDBACK
Individual owner
Tennessee
Experimental 2018-03-22 ValidFAA registration status code V: Valid registration. All codes
N3284Q Marks Robert E
CHALLENGER II
Individual owner
Wisconsin
Experimental 2018-01-17 ValidFAA registration status code V: Valid registration. All codes
N503MB Brouillette Michael Elric
T2
Individual owner
Mississippi
Experimental 2017-11-28 ValidFAA registration status code V: Valid registration. All codes
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