Federal Aviation Administration
Combined, the airports contribute more than 100,000 jobs with a payroll of $3.1 billion.
The federal agency has ordered the university as well as the University of Nebraska-Lincoln to stop flying the drones outdoors until they obtain government authorization.
Alexander Polli, a 28-year-old Italian-Norwegian, planned to jump from a plane at 4,000 feet near Busch Stadium at 6 p.m. Friday.
Spokeswoman Meghan Spork said Polli will reach speeds of 140 mph as he does stunts such as flips during the three-minute flight over downtown.
The towers are all operated for the FAA at low-traffic airports and were to close by mid-June as the result of government-wide automatic spending cuts imposed by Congress.
“It’s more the notion that the government should never have the right to keep a rule in place that’s not based on sound scientific data”
American asked the Federal Aviation Administration to halt its flights until 4 p.m. CT.
The Federal Aviation Administration said the closures are being delayed in order to deal with legal challenges.
The original list of threatened towers contained 189 contract towers but the Administration was able to stave off the closure of 40 of those, leaving a final list of 149.
The Federal Aviation Administration said in a letter, any review of proposed cuts would only be based on national interests.