“UFOs ‘Escort’ Mexican Aircraft / Radar Confirmed”
(NICAP.org)
NICAP reports on the 3 May 1975 Carlos Antonio de los Santos Montiel UFO encounter over the Ajusco mountain range (south of Mexico City):
http://www.nicap.org/750503mexicocity_dir.htm
The 3 disk shaped UFOs measured 3 metres in diameter, and 1.2 metres in height, Montiel reported.
Air Traffic Controller Julio Cesar Interian Diaz at Mexico City Benito Juárez International Airport confirmed that a mark on the radar screen moved rapidly away from Santos Montiel’s airplane, according to the APRO Bulletin UFO case report.
Aerial view of Mexico City Benito Juárez International Airport, Mexico (wikimedia.org photo)