Callsign RJA is Royal Jordanian
WHAT AIRLINE IS RJA?
RJA is the ICAO three-letter callsign prefix for Royal Jordanian. When a radio scanner, flight tracker or radar scope shows a flight like RJA123 or RJA45XY overhead, that's a Royal Jordanian aircraft talking to air traffic control.
Spot one yourself: open the live scope, enter your postcode, and tap any blip whose callsign starts with RJA for its type, registration, route and photo.