This is a list of Comco Ikarus C42s where a registration is known but its construction number isn't.
RegistrationModelNotesPhoto
03ADD / F-JRSZC42 Photo on flickr
03AEE / F-JTWHC42 Photo of flickr
03AEN / F-JURMC42C Photo on flickr
03AET / G-JVJPC42  
08KZC42  
13AAT / F-JVYOC42C  
24MB / F-JKJJ C42  
25ADUC42  
26XIC42  
27ADYC42 Photo on flickr
28ACAC42  
28ACXC42B  
28AGGC42  
28AKK / F-JXQOC42C  
28AKLC42  
28AOV / F-JXJVC42  
28KMC42  
28NMC42  
28RRC42  
28SK / F-JBGS C42  
28UYC42  
28VGC42  
28XLC42B  
31AAE / F-JAUMC42C  
31ABR / F-JCCQC42  
31VFC42  
31YFC42  
31YS / F-JVUYC42C  
34VM / F-JJKDC42  
38YE / F-JRVQC42B Photo on flickr
40EFC42  
41KU / F-JFUR C42 Photo on flickr
41PIC42  
41SI / F-JFRP C42B Photo on flickr
41TB / F-JTJP C42  
45ACF / F-JZMXC42  
45ADAC42  
45AEU / F-JRXRC42  
45AOU / F-JEDQC42C  
47KYC42  
47QGC42  
47SL / F-JXDX C42  
47ZGC42  
54AAY / F-JQBSC42B  
54AEU / F-JZLUC42  
54AHC / F-JYVSC42B a href="https://www.flickr.com/photos/g-dash_and_more/40722786853" target="_blank">Photo on flickr
54AIGC42  
54AJLC42  
54AMC / F-JRRKC42  
54ARLC42  
54AWDC42  
55QJ / F-JZEK C42 Photo on flickr
56MHC42  
57ABJ / F-JQDLC42  
57ABR / F-JYAOC42  
57APT /F-JYPX C42B  
57ASMC42B  
57ASVC42  
57AYD / F-JULKC42  
57BHC / F-JULKC42B Photo on flickr
57BLV / F-JVIHC42  
57BSE / F-JBQMC42B Photo on flickr
59DNM / F-JRYJC42  
59DPY / F-JAODC42B  
60PCC42  
60UCC42  
61IKC42  
62ASGC42  
64ADG / F-JGHDC42C  
64VT / F-JTCR C42C Photo on flickr
65LMC42B Photo on flickr
67BKF / F-JSPJC42B Photo on flickr
67BMCC42  
67BUKC42 Photo on flickr
67CDCC42B  
68AAOC42  
77AGJC42  
77AQQ / F-JZKQC42  
77YNC42  
78AFJC42  
78AKI / F-JUYZC42 Photo on flickr
79LOC42  
86GL / F-JZUF C42  
87GQC42B  
89ONC42  
89QNC42  
89QVC42  
89TQ / F-JTBV C42  
89VV / F-JSKH C42  
92KMC42  
95ASC / F-JRKBC42 Photo on flickr
A6-XJAC42 Photo on Highlander Images Photography
A6-XSPC42 Photo on Highlander Images Photography
B-12JJC42E Photo on Jetphotos.com
B-12NZC42E Photo on jetphotos.com
B-12P0C42E  
B-12P1C42E Photo on Jetphotos.com
B-12P2C42E Photo on Jetphotos.com
B-12P3C42E Photo on JetPhotos.com
B-12P5C42E Photo on JetPhotos.com
B-12P6C42E Photo on JetPhotos.com
B-103UC42E Photo on Jetphotos.com
D-MABWC42C Picture on ulforum.de
D-MASRC42E Photo on JetPhotos.com
D-MAZSC42CCurrentPhoto on AirHistory.net
D-MBANC42B Photo on flickr
D-MBDHC42B  
D-MBEPC42B  
D-MCECC42B  
D-MCEHC42B  
D-MCIPC42B  
D-MCITC42C  
D-MCONC52  
D-MCOOC42  
D-MCPPC42B  
D-MCPYC42B  
D-MCWIC42B  
D-MCWOC42B  
D-MDAEC42A 
D-MDASC42  
D-MDCFC42B  
D-MDCFC42B  
D-MDDMC42B a href="https://www.jetphotos.com/photo/11038992" target="_blank">Photo on JetPhotos.com
D-MDJRC42CS  
D-MDTMC42  
D-MDWBC42B Photo on flickr
D-MEAYC42  
D-MEERC42  
D-MEFYC42  
D-MENFC42C  
D-MENLC42B  
D-MENXC42B  
D-MENYC42B Photo on JetPhotos.com
D-MESPC42B  
D-MESYC42B  
D-MFARC42B D-MFAR Comco Ikarus C42B [unknown] Tannheim 260811
D-MFLTC42  
D-MFOIC42CS injection Photo on flickr
D-MFOOC42B  
D-MFRAC42B  
D-MFSLC42B  
D-MFVCC42B Photo on netAirspace
D-MFVEC42B  
D-MGECC42  
D-MGFDC42B  
D-MGOLC42C  
D-MHEIC42  
D-MHGTC42CSC/n quoted as '654'Photo on JetPhotos
D-MHIXC42B  
D-MHJFC42B  
D-MHJKC42B  
D-MHLZC42CS  
D-MHMEC42  
D-MHMMC42B  
D-MHOPC42  
D-MHOWC42B  
D-MHREC42B  
D-MHSTC42  
D-MHTTC42B  
D-MIEEC42B  
D-MIKDC42B  
D-MIMAC42B  
D-MJBRC42B  
D-MJCCC42B  
D-MJFIC42BDestroyed by fire whilst parked after landing at Koblenz Winningen 02.07.23 
D-MJHFC42  
D-MJNPC42B  
D-MJTCC42  
D-MJUXC42B  
D-MJWHC42B  
D-MKEDC42B  
D-MKKKC42  
D-MKRUC42  
D-MKSIC42B  
D-MKUPC42B  
D-MLBBC42B  
D-MLDAC42B  
D-MLESC42C Photo on flickr
D-MLFWC42B  
D-MLKAC42B  
D-MLMTC42B  
D-MLNTC42B  
D-MLSSC42B  
D-MMAIC42B  
D-MMCKC42B Photo on flickr
D-MMNBC42B  Photo on Airplane-pictures.net
D-MMMHC42C  
D-MMTVC42  
D-MNMRC42CS  
D-MOGAC42C  
D-MOLCC42  
D-MORHC42  
D-MPHTC42C  
D-MPKFC42  
D-MPVVC42  
D-MQZZC42  
D-MRAAC42  
D-MRCGC42 Photo on JetPhotos.com
D-MRFPC42B  
D-MRFRC42AQuotes as 0105-6262 but D-MTPK is 6262.  
D-MRGGC42  
D-MRKLC42B  
D-MRLOC42  
D-MROQC42B  
D-MSAJC42  
D-MSDLC42C  
D-MSFZC42B  
D-MSKMC42  
D-MSMSC42  
D-MSOTC42B  
D-MSSDC42  
D-MTAWC42  
D-MTUAC42  
D-MTWHC42  
D-MUBSC42B  
D-MUKYC42B Current
D-MUNHC42  
D-MURYC42B  
D-MVFRC42  
D-MVIBC42  
D-MVMUC42CS  
D-MWDJC42B  
D-MWOOC42CS  
D-MWPIC42  
D-MWRPC42  
D-MWRRC42B  
D-MWSKC42B  
D-MWTRC42B  
D-MXBBC42B  
D-MXFGC42B Photo on netairspace
D-MXGMC42B  
D-MXIFC42B  
D-MXIKC42B  
D-MXJRC42B  
D-MXLGC42C https://www.netairspace.cc/pic/581613/" target="_blank">Photo on netairspace.cc
D-MXPFC42B  
D-MXPJC42  
D-MXPNC42B  
D-MXPXC42B  
D-MXYWC42B  
D-MYABC42CS Photo on netairspace
D-MYDDC42B  
D-MYECC42  
D-MYMLC42B  
D-MYSBC42C  
D-MZAPC42B  
D-MZBBC42  
D-MZBEC42B  
D-MZHMC42B  
D-MZUSC42  
EC-ZFCC42  
EC-ZFDC42  
EC-ZFIC42c/n quoted as 01096-1633 
EC-ZUAC42Ac/n quoted as 06012-2124Photo on Jetphotos.com
EI-ETUC42 FB UKPFA 322-13774 ex G-CBFV / c/n quoted as 61141 but this is the Deutscher Aero Club Type Number 
EP-1125C42 Photo on airplane-pictures.net
EP-1188C42B Photo on jetphotos.com
EP-1238C42A Photo on jetphotos.com
EW-019SLC42  
EW-020SLC42  
EW-053SLC42  
F-JBCBC42  
F-JDYRC42  
F-JHIFC42  
F-JRXTC42  
F-JTAZC42  
F-JUEVC42  
F-JXAJC42B  
F-JXSEC42  
F-JYAOC42  
F-JZMXC42  
G-CBFVC42 FB UKPFA 322-13774 to EI-ETU 
G-CBGPC42 FB UKPFA 322-13741
G-CBJWC42 FB UKPFA 322-13811 
G-CBODC42 FB UKPFA 322-13854 
G-CBXCC42 FB UKPFA 322-13955 
G-CCPSC42 FB100VLAPFA 322-14138 
G-CDPPC42 FB80PFA 322-14423 Been quoted as C/N 0504-6676 but as has G-NORA/PFA 322-14420
G-DBMKC42 FB80PFA 322-13758 ex G-MROY to G-GBET 
G-GBETC42 FB80PFA 322-13758 ex G-GBET, G-DBMK 
G-IKRSC42 FB UKPFA 322-13719 
G-IKUSC42 FB UKPFA 322-14130
G-ILRSC42 FB UKPFA 322-13927 
G-INJAC42 FB UKPFA 322-14044 c/n has been quoted as 0302-6236 but 0001-6236 is D-MSHP 
G-MROYC42 FB80PFA 322-13758 to G-DBMK, G-GBET 
G-MSKYC42 FB UKPFA 322-13722
G-NORAC42 FB80PFA 322-14420 Been quoted as C/N 0504-6676 but as has G-CDPP/PFA 322-14423
LY-BFNC42  
OK-JUG 28C42  
OH-U515C42B  
OH-U656C42Cc/n quoted as 1301-7240 but this is G-CHWN (1302-7240) 
PU-NMEC42  
PH-0C4C42CS  
RA-0033AC42  
RA-0321AC42B  
RA-0889GC42  
RA-1089GC42  
RA-1090GC42  
RA-1767GC42  
RF-00974C42 Photo on spotters.net.ua
SP-SAVMC42  
UL-BAZC42  
YR-5140C42  
YR-5318C42  
9N-ALIC42B