"On March 31, 2003, Mayor Daley ordered private crews to destroy the runway in the middle of the night, bulldozing large X-shaped gouges into the runway surface. The required notice was not given to the Federal Aviation Administration or the owners of airplanes tied down at the field, and as a result sixteen planes were left stranded at an airport with no operating runway, and an incoming flight was diverted. The stranded aircraft were later allowed to depart from Meigs' 3,000-foot taxiway.
"He claimed that safety concerns required the closure, due to the post-September 11 risk of terrorist-controlled aircraft attacking the downtown waterfront near Meigs Field. In reality, closing the airport made the airspace less restrictive. When the airport was open, downtown Chicago was within Meigs Field's Class D airspace, requiring two-way radio communication with the tower. The buildings in downtown Chicago are now in Class E/G airspace, which allows any airplane to legally fly as close as 1,000 feet from these buildings with no radio communication at all.
"On September 17, 2006, the city dropped all legal appeals and agreed to pay the $33,000 fine as well as repay $1 million in misappropriated FAA Airport Improvement Program funds that it used to destroy the airfield and build the Northerly Island park."