Probably not a good thing if you're the subject of a conference call between Washington and NORAD because you have a stuck microphone.
http://archive-server.liveatc.net/khpn/KHPN-Twr-Apr-04-2010-2300Z.mp3
http://archive-server.liveatc.net/khpn/KHPN-Twr-Apr-04-2010-2300Z.mp3