Aviation Maintenance

Tyonek Services Group, Inc. (TSG) subsidiaries provide full-spectrum aviation maintenance and support services to all Department of Defense agencies.

We provide a comprehensive engine, structural, flight control system and fuel cell repair capability on military aircraft and all related components, as well as complete overhaul, testing and repair capabilities on all sub-assemblies and complete disassembly/assembly on a variety of Navy and Air Force aircraft engines including the TF-34, F404, T-56 and the F414.