Lycoming Engines

Lycoming Engines is a major American manufacturer of aircraft engines. With a factory in Williamsport, Pennsylvania, Lycoming produces a line of horizontally opposed, air-cooled, four, six and eight-cylinder engines.

The company has built more than 325,000 piston aircraft engines and powers more than half the world's general aviation fleet, both rotary and fixed wing.

Lycoming has been a principal pioneer of turbine engines for medium and large helicopters, and has also produced engines for small jetliners and business jets.

Lycoming is an operating division of Avco Corporation, itself a subsidiary of Textron.