Callsign DAH is Air Algérie
WHAT AIRLINE IS DAH?
DAH is the ICAO three-letter callsign prefix for Air Algérie. When a radio scanner, flight tracker or radar scope shows a flight like DAH123 or DAH45XY overhead, that's a Air Algérie aircraft talking to air traffic control.
Spot one yourself: open the live scope, enter your postcode, and tap any blip whose callsign starts with DAH for its type, registration, route and photo.