SINGAPORE, April 27 (Xinhua) -- The fourth A380, the world's biggest passenger jet, delivered by Airbus to Singapore Airlines (SIA) arrived here Sunday morning, SIA said.

    The plane will serve the first commercial link between Singapore and Tokyo, Japan, and is due to start flying the route on May 20.

    Singapore Airlines already has three Airbus A380's in flight, serving the London and Sydney route.

    The carrier is the world's first and only airline to operate the double-decker superjumbo.