>But TTools compiler will calculate a new arrival time during >compiling or am I wrong? >>Thomas According to the TTools documentation:"Important note: you do not have to determine the ETA, this is done by the compiler and any ETA you enter in this field will be ignored, so you can set it to 00:00:00 if you want. If you want to know your ETA

Thomas,Ttools will calculate an ETA based on the entered cruise speed of the aircraft (TAS) and the Great Circle route distance.Same as the SDK compiler.Winds play no part. Aircraft will appear within the 80 mile radius of the destination airport according to an internal calculation which takes this ETA into account.Stamatis