The Airlines industry is a global industry that provides air transportation services for passengers and cargo. Airlines typically operate a network of scheduled flights between airports, and may also offer charter services, cargo services, and other related services. Airlines are typically regulated by national governments, and are subject to international agreements and regulations. Airlines typically employ a variety of aircraft, including commercial jets, turboprops, and helicopters. Airlines also employ a variety of personnel, including pilots, flight attendants, mechanics, and customer service representatives.