Callsign GLO is Gol
WHAT AIRLINE IS GLO?
GLO is the ICAO three-letter callsign prefix for Gol. When a radio scanner, flight tracker or radar scope shows a flight like GLO123 or GLO45XY overhead, that's a Gol aircraft talking to air traffic control.
Spot one yourself: open the live scope, enter your postcode, and tap any blip whose callsign starts with GLO for its type, registration, route and photo.