Ultralight Aircraft Smuggling Prevention Act of 2011 - Amends the Tariff Act of 1930 with respect to aviation smuggling to extend its coverage of aircraft to ultralight vehicles, as defined by the Administrator of the Federal Aviation Administration (FAA).
Subjects attempting or conspiring to commit aviation smuggling to specified criminal penalties.
Directs the Assistant Secretary of Defense for Research and Engineering of the Department of Defense (DOD) to identify DOD equipment and technology that could also be used by the U.S. Customs and Border Protection (CBP) to detect and track the illicit use of ultralight aircraft near the international border between the United States and Mexico.