IATA) on Monday started the trial of a travel pass designed for the pandemic era, reported Asia Times.The IATA initiated a two-week pilot trial of the digital travel pass on Singapore Airlines' Singapore-London route.The app, developed by the International Air Transport Association (IATA), will store information on passengers' health, including whether they have had virus tests or vaccines, to streamline travel as borders reopen.Singapore's flag carrier said it would offer travellers heading from the city-state to London between March 15 and 28 the chance to participate in the pilot if they have a phone operating on the iOS system."Our partnership with Singapore Airlines for the first full deployment of the IATA Travel Pass will help get.