Abstract: The invention concerns a method for preventing airplanes from impermissibly approaching defendable ground objects, the method suggests that a defendable ground object is assigned a virtual prohibited zone spatially surrounding it, with the outer boundary of such zone being provided with a sufficient horizontal minimum distance from the ground object and a vertical minimum distance determining a given minimum crossing altitude, that the prohibited zone is assigned a virtual correction zone laterally surrounding it whose outer boundary has a horizontal minimum distance from the outer boundary of the prohibited zone in any case sufficient for any forced deviation corrections and an altitude equal to that of the prohibited zone; that the correction zone is assigned a virtual alarm zone spatially surrounding it whose outer boundary has a horizontal minimum distance from the outer boundary of the correction zone in any case sufficient for manual deviation corrections; that the geographical data of the outer boundar

Abstract: The invention concerns a method for preventing airplanes from impermissibly approaching defendable ground objects, with the momentary flight position being recorded in a satellite-based way and used for the purposes of manual and automatic flight corrections.