I was looking through my pics that I have yet to scan and I came across a picture I took of an EMB-145 from USAirways Express. At the angle I took it, the reg is blocked by the wing. The only other I.D. marks on it are the letters "TRE" on the nose gear. Both, the "TRE" letters and the reg number (I can only make out the color of letters) are in dark navy blue colors. I tried doing a google search and searching in here but came up short.
Any ideas on this reg "N" number?