UFO Article:
“South American UFO - Airplane Encounters”
by Scott Corrales, 8 March 2011 (Rense.com)
The article also recounts the 4 November 1968 UFO encounter of Iberia Airlines Captain Juan Lorenzo Torres during a flight from London, UK to Alicante, Spain:
http://rense.com/general93/avi.htm
Iberia Airlines Caravelle X-R, 1960s
(google.com photo)