
Multi-Aero, Inc., doing business as Air Choice One, is an American airline with its headquarters in Concord, Missouri within the Greater St. Louis area. It operates as a regional airline offering commuter flights from St. Louis Lambert International Airport and O'Hare International Airport to smaller regional airports, subsidized under the Essential Air Service program.It has a hub at Burlington Southeast Iowa Regional Airport.Air Choice One's callsign, 'Weber', is in honor of Mike Weber, the airline's first Chief Pilot.
IATA CODE: 3E