Callsign QFA is Qantas
WHAT AIRLINE IS QFA?
QFA is the ICAO three-letter callsign prefix for Qantas. When a radio scanner, flight tracker or radar scope shows a flight like QFA123 or QFA45XY overhead, that's a Qantas aircraft talking to air traffic control.
Spot one yourself: open the live scope, enter your postcode, and tap any blip whose callsign starts with QFA for its type, registration, route and photo.