Colgan, as a US Air Express operator, will get priority over off-line pilots, such as Delta, but is behind wholly-owned US Airways Express carriers (PSA and Piedmont), and of course, mainline US Airways pilots on US Airways mainline flights.

First come, first serve between two non-wholly owned US Airways Express pilots for jumpseating - ie, a Mesa pilot, a Air Wisconsin pilot, and a Colgan pilot all want to jumpseat on US Airways mainline. Whichever one of the 3 signs up for the jumpseat first gets it, and then hopes a PSA, Piedmont, or US Airways pilot doesn't show up.

76's have 2 seats, 75's, just one. Some 73's have 2 seats, some have one (show up early and try to speak to the crew, b/c the agents usually assume there's only one seat). Airbus all have 2.

Good luck.