For example , military airfields often dispense with the crosswind and base legs , but rather fly these as circular arcs directly joining the upwind and downwind sections .
While many airfields operate a completely standard pattern , in other cases it will be modified according to need .
Military airfields often dispense with the crosswind and base legs , but rather fly these as circular arcs directly joining the upwind and downwind sections .
While many airfields operate a completely standard pattern , in other cases it will be modified according to need .