Service Instruction No. 1472 August 12, 1994 MODELS AFFECTED All Lycoming reciprocating engines. TIME OF COMPLIANCE Prior to installation of engine in the aircraft Prior to shipment from Lycoming, an engine undergoes a preservation treatment. In order to protect the cylinders and related parts preservative oil is sprayed into each cylinder. If an intake valve is open, it is possible for oil to get...
Lycoming Engines recently built the first YHIO-540-EXP373 Thunderbolt engine. It shipped out on December 12th and was sold to Vertical Aviation Technologies for Vic Syracuse's Hummingbird helicopter kit. The Hummingbird is the world’s first FAA certified helicopter to be sold in kit form. The helicopter was completed just two months after the engine left the Lycoming factory in Williamsport, PA...
Visit Lycoming Engines at Booth 277-282 (outside Building A) at EAA AirVenture July 24-July 30, 2023 in Oshkosh, WI! Lycoming Engines is thrilled to return to Oshkosh for EAA AirVenture 2023 and we can’t wait to see our customers in-person at The World's Greatest Aviation Celebration! This year we are excited for the opportunity to sponsor the Fly-In Theater, where throughout the week shows begin...