This allows them to take off from the short runway of City Airport, which is located in the London Docklands area, stop for fuel in Shannon while passengers go through pre-clearance, and arrive in New York without the need to go through immigration or customs.
This allows them to take off from the short runway of City Airport, stop for fuel in Shannon while passengers go through pre-clearance, and arrive in New York without the need to go through immigration or customs. City Airport is located in the London Docklands area.