Aircraft Engine Specialists provides quality, on-time repair and overhauls of Lycoming and Continental piston aircraft engines and their accessories. We have warranty coverage on all work however it varies based on what workscope was performed and which appliance it's on. For technical support call (800) 642-1572 or email [email protected]. Hours: 7 a.m. to 4:30 p.m. M-F MST.