Callsign TRA is Transavia
WHAT AIRLINE IS TRA?
TRA is the ICAO three-letter callsign prefix for Transavia. When a radio scanner, flight tracker or radar scope shows a flight like TRA123 or TRA45XY overhead, that's a Transavia aircraft talking to air traffic control.
Spot one yourself: open the live scope, enter your postcode, and tap any blip whose callsign starts with TRA for its type, registration, route and photo.