Complex sentence: Aviation communication is the means by which people in airborne vehicles communication with people on the ground (and back again) as well as with other people in airborne vehicles with the intention of transferring information while limiting errors including those due to human error.
Split into simpler sentences: Aviation communication is the means by which aircraft crews communicate with people on the ground and with other people in aircrafts. The goal of aviation communication is to transfer this information while limiting errors including those due to human error.