"The FAA and TSA believe that it is in the interests of national security and aviation safety to ensure that only properly registered aircraft operate within the National Airspace System (NAS)." Source: From a notice published in the Federal Register, December 9th, requiring pilots and operators to update their registration info.
http://www.aero-news.net/index.cfm?content...80-e16a4299b218
http://www.aero-news.net/index.cfm?content...80-e16a4299b218
