AirbusGeek From United States of America, joined Apr 2013, 146 posts, RR: 0 Posted (2 years 3 weeks 1 hour ago) and read 2452 times:
I was at Charlotte Douglas yesterday, plane spotting and saw a United Express ERJ 135 (I think) with the reg N11539!
What the ... ? How can that be, when most US regs I have seen, are N(3 numbers and 2 letters) e.g. US Airways A319 N733UW.