The expanded second passenger terminal at Hong Kong International Airport will be crucial to the city’s role as a global aviation hub, with its departure concourse set to open at the end of next year, the managing authority has said. The Airport Authority said on Friday that Terminal 2 would open on May 27 and travellers would check in, clear immigration and undergo security checks before proceeding to Terminal 1 for departure. The dedicated departure concourse and boarding gates were slated to.