OBS_VALUE: On the basis of the EU Regulation, crews from countries parties to the ICAO Convention are exempted from visa obligations. On the basis of local law, Crew members employed on aircraft holding a flight certificate or a flight crew certificate, as long as they do not leave:   - the stopover airport , - the airport of destination,   - the municipality where the airport is located, or   - the airport other than to depart; another airport in the territory of a Schengen State.