Air Traffic Control Audio:
“CEFAA Case Audio: LAN Flight 045,
Puerto Montt, Chile, 1 June 1988”
(NARCAP, Temecula, California)

The UFO incident occurred near El Tapual International Airport:

http://www.youtube.com/watch?v=b6e4QSmZ0qQ

http://www.narcap.org/CEFAANARCAP/CEFAA_DATA.html

Satellite photo of Puerto Montt, Chile

(tageo.com photo)