Welcome to Alpha Tech Aviation Services Alpha-Tech Aviation Services, Inc. present mission is to provide efficient Line Maintenance and Engine Removal/Installation Services with Dual Release Certification to our customers in the aviation industry, while keeping safety, service quality, and customer satisfaction on the forefront of all we do. Alpha-Tech was developed from Conkorde Aircraft Services, Inc., a well known maintenance organization that had a very successful and respected track record in the Industry to date, and had been successfully established in Chicago's ORD/MDW since 1991, receiving FAR 145 Certification on February 29, 2008.