Calculates the wind triangle for aeronautical navigation. There are four types of calculations: the Heading/TAS vector from wind vector and the Track/GS vector; the calculation of the wind vector from Heading/TAS vector and the Track/GS vector; the calculation of the Track/GS vector from the wind vector and the Heading/TAS vector. Also, it calculates the Heading and ground speed from the remaining vector parameters (flight planning). For ground training only or recreational flight simulation. Not suitable for real flight planning.