A kite-flying application in Visual C# Allows for flight data files input, edit, and update Displays flight data Can save all displayed data to a log file Allows for entering integration parameters Computes wind factors for flight data file Uses differential equations to solve for position and tension vectors as a function of arc length Uses Runge-Kutta method for integration of ordinary differential equations Plots string trajectory/profile on hires screen Plots analytical continuation of the string trajectory Allows for printer output of help file And more... All of the source is included in the distributed file.