What type of engine is the twin Lycoming IO 540?
The Lycoming IO-540-AF1A5 is a fuel injected, direct-drive, six-cylinder, horizontally opposed, and air- cooled with a down exhaust. Lycoming IO-540 series engines are equipped with either a Bendix type RS or RSA fuel injector. The fuel injection system schedules fuel flow in proportion to air flow and fuel vaporization takes place at the intake ports.