MRO | Advanced Composite Structures Fixed Focus For 30 years, Winnipeg-based Advanced Composite Structures has been saving its customers money through the delivery of innovative fixed- and rotary-wing component repair services. SKIES Magazine 72 skiesmag.com By Dayna Fedy ACS provides composite component repair services for the ATR 42 (shown) and 72 line of aircraft, as well as Bombardier Dash 8 turboprops. Mark Taylor Photo Download the wallpaper here!