In this, leader flies solo round outskirts of Chile? (3,5,3)

I haven't cracked this one yet — but the brilliant team at Fifteensquared have:

AIR ("In this leader flies") + FOR ONE ("solo") round [ outskirts of ] C (hil) E and &lit. This clue ony works as an &lit. because otherwise the "in this… flies" bit would be doing double duty. Do countries have outskirts?