By 
Even though flight hours have decreased as has the average age of aircraft, Customs and Border Protection (CBP) paid more annually to maintain its aviation fleet, the Department of Homeland Security (DHS) Inspector General said in a new management advisory.“Since 2009, the number of CBP aircraft maintained, annual flight hours, and the average age of CBP’s aircraft fleet decreased,” said the advisory, U.S. Customs and Border Protection’s Management of National Aviation Maintenance Activities. “However, during the same period, CBP’s national…
