As the number of passing aircraft is made up
out of a mix of different types with different gear arrangements, lateral wander has be taken into
consideration. Apart from the NLA/A380 type of aircraft, the gear configurations of all other
aircraft types in the mix are known. For this study the gear configuration of the NLA/A380 was
based on the limited information available at the start of the study late 1998/beginning 1999 and
is shown in Figure 2. At that time the NLA’s were known as the B747-600X and A3XX. In the
design the lay-out of the B747-600X was chosen