The following list outlines the FRICTION inputs along with their default values available through the AIM interface. All inputs to the FRICTION AIM are variable length arrays. All inputs must be the same length .

• Mach = double
  OR
• Mach = [double, ... , double]
  Mach number.
• Altitude = double
  OR
• Altitude = [double, ... , double]
  Altitude in units of kft.
• BL_Transition = double [0.1 default]
  Boundary layer laminar to turbulent transition percentage [0.0 turbulent to 1.0 laminar] location for all sections.