Spirit Airlines airplanes at Fort Lauderdale-Hollywood International Airport (FLL) in Fort Lauderdale, Florida, US. Eva Marie Uzcategui | Bloomberg | Getty Images The Federal Aviation Administration on Tuesday banned U.S. civilian flights to and from Haiti for 30 days after a Spirit Airlines airplane was struck by gunfire trying to land in Port-au-Prince a day earlier. The FAA’s ban also prohibits U.S. flights from traveling under 10,000 feet in Haiti’s