What is the engine type of the plane in service in AirTran JetConnect?
AirTran JetConnect: AirTran JetConnect was the brand for AirTran Airways former regional airline service, which flew regional jet aircraft from AirTran's hub in Atlanta. AirTran JetConnect:  Service was to short-haul markets where AirTran felt their Boeing 717 or Airbus A320 (with the latter type being operated by Ryan International for AirTran via contract) mainline jet aircraft were too large to economically operate. Boeing 717: The Boeing 717 is a twin-engine, single-aisle jet airliner, developed for the 100-seat market.
twin-engine