British Airways has become the first UK airline to trial the use of biometric technology for international flights, enabling customers taking part in the trial to travel through the airport ‘smartly’ without having to show their passport.
Heathrow Airport's Terminal 5 will see customers invited to scan their face, passport and boarding pass on their smartphone or tablet ahead of travel.
https://www.mirror.co.uk/travel/news/heathrow-airport-launches-new-tech-28504482