Speed of advance (SOA) is used to indicate the speed to be made along the intended track. [1] The intended (anticipated, desired) speed along the track with respect to the earth, taking into consideration the effect of known or predicted current; speed along the track. SOA is also used to designate the average speed that must be made good to arrive at a destination at a specified time. [2]
Speed of advance (SOA) is used to indicate the speed to be made along the intended track. [1] The intended (anticipated, desired) speed along the track with respect to the earth, taking into consideration the effect of known or predicted current; speed along the track. SOA is also used to designate the average speed that must be made good to arrive at a destination at a specified time. [2]