FT8 – Turbine Cooling Air (TCA) Part 1 By Donald Murphy September 10, 2023 Comments Off on FT8 – Turbine Cooling Air (TCA) Part 1 FT8 - training video on the Turbine Cooling Air. This content is password protected. To view it please enter your password below: A password is obtained by paying an annual subscription – Go to STORE on Home Page. Password: