Mark,
A15E3F N18789, not assigned by FAA, last aircraft with this registration was cancelled in 1990,miscode?
A89ECD N6546N Cessna T210N Turbo Centurion c/n 21063102, Abraxas Corporation in d/b since 28/02
ABA919 decodes to N850TZ, not assigned by FAA, miscode?
213B9C miscode noted being used by Learjet 60 N179LF in 2006/2007
A43576 decodes to N370TB, C-FMIT SOCATA TB-20 Trinidad c/n 1727, James Airplane Company allocated C02094
A57100 N45NS, Cessna 560XL Citation XLS c/n 560-5285, Mid Ohio Aviation in d/b since 16/02
Thanks
Alan