Time-Space Flight Network Arcs Associated with each arc jk(with endnodes j and k) is an aircraft movement in space and time A Flight Arc ik represents a flight departing location lli at time tl and arriving at location l(k)at time t(k) gin turn time A Ground Arc or connection Arc ik represents an aircraft on the ground at location lg(l())from time tl) until time t(ke) 2/212021 Barnhart 1.206J/16.77J/ESD. 15J2/21/2021 Barnhart 1.206J/16.77J/ESD.215J 9 Time-Space Flight Network Arcs • Associated with each arc jk (with endnodes j and k) is an aircraft movement in space and time • A Flight Arc jk represents a flight departing location l(j) at time t(j) and arriving at location l(k) at time t(k) – min_turn_time • A Ground Arc or Connection Arc jk represents an aircraft on the ground at location l(j) (= l(k)) from time t(j) until time t(k)