0D81C3
YV2940
C560
Cessna 560 Citation V
560-0391
Private owner
0D81B9
YV2927
MD81
McDonnell Douglas MD-81
49924
Laser
QL/LER
1990
0D81B3
YV2923
MD82
McDonnell Douglas MD-82
49563
Laser
QL/LER
1988-05-01
0D81A9
YV2864
C510
Cessna 510 Mustang
510-0112
Private owner
2008
E8804F
ZP-BMB
BE36
Beech A36 Bonanza
n/a
Private owner
YV2940
C560
Cessna 560 Citation V
560-0391
Private owner
0D81B9
YV2927
MD81
McDonnell Douglas MD-81
49924
Laser
QL/LER
1990
0D81B3
YV2923
MD82
McDonnell Douglas MD-82
49563
Laser
QL/LER
1988-05-01
0D81A9
YV2864
C510
Cessna 510 Mustang
510-0112
Private owner
2008
E8804F
ZP-BMB
BE36
Beech A36 Bonanza
n/a
Private owner

No evidence of the hex on any other tracker either so I think we can rule out FR24s "third party sources" causing problems here
I think it's fair to say if 0C20DD and 0C20DE appear in the near future that these will be HP-9902CMP and HP-9903CMP recoded again but let's wait and see. 
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