Experimental & amateur-built aircraft
42,741 airframes · owner classified from FAA registration data (best-effort)
N540BS
YOUNG WILLIAM R · GLASAIR III
1992
N540BT
TURNER WILLIAM R · GLASAIR III
1995
N540CG
STAUDACHER AIRCRAFT INC · S300D
1995
N540CX
HARRIS WILLIAM PAUL · BRC 540C
2001
N540CZ
W J VERSFELD · COZY MKIV
2006
N540DA
DUSTIN SMITH · COZY MARK IV
2020
N540DG
DAVID GUNTLY · SKYBOLT
N540DR
Amateur-Built (Experimental) · SKYBOLT
2004
N540DT
Zivko Aeronautics · EDGE 540
2004
N540ED
WHEELER TECHNOLOGY INC · WHEELER EXP FT200
1992
N540EH
Enstrom Helicopter · 480B
2026
N540ES
Lancair International · Lancair ES
2002
N540ET
Amateur-Built (Experimental) · CHRISTEN EAGLE II
2005
N540EV
Sonex Aircraft · SONEX XENOS
2020
N540EZ
ESSELSTYN CHRIS · MODIFIED COZY MK 4
2005
N540G
DODGE DOUGLAS · MACHAIRA
N540GL
LAWLER GLENN M · GLASAIR III
1990
N540GN
GREGORY A NORMAN · COZY MKIV
2020
N540H
Team Rocket · PREWITT FI
N540HA
Zivko Aeronautics · EDGE 540
2010
N540HH
MD Helicopters · 369FF
2012
N540HR
HOWE DAVID · RV-4
2002
N540HT
Zivko Aeronautics · EDGE 540
1999
N540J
JOHNS · SA-29
2002
N540JD
Extra Flugzeugbau Gmbh · EA-300
1989
N540JF
Stoddard Hamilton Aircraft · GLASAIR III
2003
N540JK
KEE JOHN M JR · EXPRESS
1999
N540JP
DEHAVILLAND · DHC-1B-2-S3
1950
N540JR
HRABE JOHN/FOLEY DENIS · GLASAIR III
N540KL
DALE R JOHANNES · BEARHAWK
2014
N540KY
Van's Aircraft · RV-8
2001
N540LE
JUST AIRCRAFT · JA30 SUPERSTOL
2015
N540LL
Amateur-Built (Experimental) · LAND ROCKET
2005
N540LM
Lancair International · LANCAIR L IV-P
1999
N540LP
PIPISTREL D O O · VIRUS SW 121A
2025
N540LY
HERALD MICHELD D · PITTS S-1-X
N540MC
Amateur-Built (Experimental) · SLING 4 TSI
2023
N540MD
Zivko Aeronautics · EDGE 540
2008
N540MG
STAUDACHER JON · STAUDACHER 300
1990
N540ML
WINGTIP TO WINGTIP LLC · PANZL S-330
N540MM
ELLIS DAVID L · STOD HAMILTON SH3R
1990
N540MP
PREZBINDOWSKI MICHAEL · WHEELER EXPRESS
1999
N540MR
Van's Aircraft · VANS RV-10
2007
N540MX
MXR TECHNOLOGIES INC · MX2
2008
N540PB
Zivko Aeronautics · EDGE 540
2006
N540PS
BAKER DONAL E · PITTS S1-11B
2002
N540R
JOHS ROBERT W · RV-4
1995
N540RB
Extra Flugzeugbau Gmbh · EA-300
1989
N540RC
Zivko Aeronautics · EDGE 540-T
2002
N540RF
Van's Aircraft · RV-6
2010
N540RH
MXR TECHNOLOGIES INC · MX2
2007
N540RL
RANS INC · RANS S7S COURIER
N540RM
MOKRY ROBERT B · HARMON ROCKET II
2001
N540RR
Amateur-Built (Experimental) · BERKUT
2018
N540RS
Amateur-Built (Experimental) · EAI BERKUT
2013
N540S
GRAHN J/GRAHN G · PITTS S2S
1979
N540SB
Amateur-Built (Experimental) · SKYBOLT
1999
N540SC
DEHAVILLAND · DHC-1B-2
1950
N540SE
STAUDACHER AIRCRAFT INC · S 300 E
2001
N540SG
Zivko Aeronautics · EDGE 540
2005