US Airways Express will introduce 50-seat regional jet aircraft on its three daily nonstop roundtrip flights between Birmingham, Ala., and Pittsburgh, beginning Mar. 4, 2001. The Embraer-145 Regional Jet aircraft will replace the 32-seat Dornier 328 jet- prop currently operating on this route.
http://biz.yahoo.com/prnews/010212/va_us_airw.html