Experimental & amateur-built aircraft
42,741 airframes · owner classified from FAA registration data (best-effort)
N521DW
WADDINGHAM DOUG · LANCAIR 360
2019
N521EA
Amateur-Built (Experimental) · ELA 07
2017
N521EC
RANS INC · RANS S-21 OUTBOUND
2023
N521FC
CRAIG FRANKLIN E · GENERIC CL
2008
N521GC
RANS INC · RANS S-21
2023
N521HC
Van's Aircraft · RV-12
2014
N521K
GREAT LAKES/FRITZ JOE · 2T-1A-2
1998
N521KG
Van's Aircraft · RV10
2024
N521MR
Van's Aircraft · VANS RV-7
2024
N521MV
EMILIO VERASTEGUI · SKYOTE
2023
N521QJ
JACOBI JOHN W · SPACEWALKER II
2016
N521R
VICKERS · SPITFIRE MARK IX
1943
N521RD
RANS INC · RANS S-21
2021
N521S
SIAI-MARCHETTI · S-211
1985
N521TR
Velocity Aircraft · 173 ELITE-FG
N521TY
AviPro Aircraft · BEARHAWK MODEL 5
2023
N521V
Glasair Aviation · GLASAIR SPORTSMAN
2016
N521XD
Amateur-Built (Experimental) · VENTURE
2004
N5220
BABY GREAT LAKES · BIBI PLANE
1972
N5220Z
RICE WILLIAM N · KR-II
1986
N52210
PRESSLY JOEL · RV 6A
N5223C
CRUSENBERRY GARY D · WINDWAGON
N5225
The Airplane Factory · SLING TSI
2025
N5225S
SQUIRES WILLIAM C · BENSEN B-80
1985
N5228K
NAVION · NAVION B
N522AB
Van's Aircraft · RV-9A
2010
N522BC
Van's Aircraft · VANS 7A
2008
N522BG
Rotorway International · RI 162F
1999
N522BM
Technoavia · SP-55M
2001
N522D
DOUGLAS L OLSON · OLSON SUPER CUB
2019
N522DE
Zenith Aircraft Company · ZENITH 750
2012
N522DM
Van's Aircraft · RV-6A
2003
N522DP
Zenith Aircraft Company · ZENITH 601 XLB
2012
N522DW
WILLIS DANNY · CHALLENGER II
N522EA
Lockwood Aircraft · AIRCAM
2020
N522EF
Van's Aircraft · FELIX FLYER
2015
N522ES
SNEED EVERETT E · TEAM 1200 ZMAX
1994
N522EZ
EVANS GEORGE G · LONG EZ
N522FS
ARGENCE ENAS A · RV-4
1989
N522GA
Stoddard Hamilton Aircraft · GLASTAR
2009
N522GN
NILSEN GERALD R · KITFOX II
1994
N522H
Amateur-Built (Experimental) · ELLIPSE
2011
N522JF
QUAD CITY · CHALLENGER 2
2007
N522JK
WEIS JONATHAN CARL · TANDEM GYRO PLANE
2005
N522JM
WILLIAMS JOHN M · STLP STRSTR II SA300
N522KF
FELIX FLIGHT SERVICES LLC · CCX-2000
2018
N522LC
Amateur-Built (Experimental) · SAFARI 400
N522LZ
LISZEWSKI WALTER F · MERLIN GT
1993
N522MW
MARK WHITFILL · VANS RV6A
2014
N522P
ANDERSON VERN H JR · RV-6
1994
N522PE
Quad City Ultralight Acft · CHALLENGER II
2005
N522R
DEHAVILLAND · TIGER MOTH DH 82A
1935
N522RG
Lancair International · LANCAIR
2000
N522RV
Van's Aircraft · RV-10
2005
N522RW
KNAPP JOHN · KITFOX II
2014
N522SF
JERALD L FOLKERTS · CYGNET SF-2A
2013
N522SG
Magni Gyro · MAGNI M22
2018
N522SH
Van's Aircraft · RV-8A
2016
N522ST
JUST AIRCRAFT · HIGHLANDER
2014
N522TW
S C AEROSTAR S A · YAK-52TW
2003