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MS only programmed a certain number of airlines into the program. A lot of airlines got left out, including Copa and Southwest!There is a file somewhere around in the Avsim library that will give you the correct list of airlines that are in the program. Find something that is close enough and use it. I use "Voyage" and "Pro Air" a lot for airlines that are not covered.Lee

Actually you can add any callsign you want.http://bevelstone.xs4all.nl/FlightSimulator/EditVoicepack

It seems like that there

With thousands of downloads, I think I would have heard by now if it didn't work :)There are the few odd problems now and then reported by users, but not more than one can expect considering the number of downloads. There is always some systems that refuse to run any peice of software for no specific reason (well, sometimes there is a really good reason for it though). :)