Callsign BCS is European Air Transport (DHL)
WHAT AIRLINE IS BCS?
BCS is the ICAO three-letter callsign prefix for European Air Transport (DHL). When a radio scanner, flight tracker or radar scope shows a flight like BCS123 or BCS45XY overhead, that's a European Air Transport (DHL) aircraft talking to air traffic control.
Spot one yourself: open the live scope, enter your postcode, and tap any blip whose callsign starts with BCS for its type, registration, route and photo.