Profile: Flight Systems Industrial Products specializes in re-manufacturing Curtis electronic products. Our Curtis controls are used in electric lift trucks, electric golf carts, personnel carriers, scrubber/sweepers, mobility aid products, and similar vehicles. These include transistorized traction and pump controls, separately excited controls, power steering controls, battery discharge indicators, and other electronic accessories. We also manufacture conversion kits & test equipment, and provide training materials. Our products include transistorized traction & pump, separately excited & power steering controls, battery discharge indicators, and other electronic accessories. Electric forklifts come in various types and styles. They are classified differently depending on their size and applications.