German company Volocopter hopes that its air taxis can make their debut in Singapore as early as 2021. A research and development version of the air taxi, named the Volocopter 2X, will be flown in Singapore for the first time on Oct 22 at Marina Bay. It will fly for three minutes at noon as part of the Intelligent Transport Systems World Congress, which runs from Oct 21 to 25 at the Suntec Singapore Convention and Exhibition Centre.