▁re h abil itated ▁renov ation ▁replaced ▁the ▁As ph alt ▁to ▁Con crete . ▁ ▁When ▁wind s ▁are ▁from ▁the ▁south ▁( about ▁ 7 0 % ▁of ▁the ▁year ), ▁the ▁air field ▁oper ates ▁in ▁" S outh ▁Flow ", ▁with ▁arrival s ▁and ▁depart ures ▁on ▁run ways ▁ 1 6 R ▁and ▁ 1 6 L . ▁Ar rival s ▁from ▁the ▁south ▁fly ▁past ▁the ▁west ▁side ▁of ▁the ▁air port ▁before ▁turning ▁ 1 8 0 ▁degrees ▁and ▁landing ▁on ▁ 1 6 L ▁or ▁ 1 6 R . ▁This ▁is ▁done ▁so ▁that ▁arriv ing ▁aircraft ▁clear ▁depart ing ▁aircraft , ▁which ▁generally ▁turn ▁sout heast ▁after ▁depart ing . ▁ ▁During ▁the ▁other ▁ 3 0 % ▁of ▁the ▁year ▁( typ ically ▁between ▁the ▁fall ▁and ▁spring ), ▁the ▁air field ▁oper ates ▁in ▁" N orth ▁Flow ", ▁with ▁arrival s ▁and ▁depart ures ▁on ▁run ways ▁ 3 4 L ▁and ▁ 3 4 R . ▁As ▁in ▁South ▁Flow , ▁depart ing ▁aircraft ▁generally ▁turn ▁east ▁to ▁sout heast ▁immediately ▁after ▁taking ▁off , ▁so ▁arrival s ▁from ▁the ▁north ▁pass ▁west ▁of ▁the ▁air port ▁before ▁turning ▁north ▁to ▁land . ▁Res id ences ▁near ▁SM F ▁are ▁typically ▁south ▁and ▁east ▁of ▁the ▁air port , ▁so ▁North ▁Flow ▁is ▁preferred ▁at ▁night ▁( between ▁ 2 1 4 5 ▁and ▁ 0 7 4 5 ▁local ▁time ), ▁conditions ▁perm itting , ▁to ▁route ▁fl