Image copyright EPA Image caption The plane was met on the tarmac in Cologne by emergency vehicles

The chancellor and a smaller delegation including the finance minister travelled to Madrid on an air force plane on Friday morning before leaving for Argentina on an Iberia plane, a spokesman said. Also Read | Angela Merkel will step down as chancellor in 2021: source

The Airbus A340-300, named Konrad Adenauer after Germany's first post war chancellor, was met on the tarmac by fire engines, the German news agency DPA said, adding that Merkel was waiting for a replacement plane to taker her to Buenos Aires. According to DW, shortly after departing from Berlin on Thursday evening, the plane circled over the Netherlands and landed at the Cologne/Bonn airport in western Germany, which is also home base for the German government’s aircraft.
An emergency landing delays German chancellor Angela Merkel's arrival at the summit due to a complete shutdown of the onboard-ground communication system aboard the official Airbus A340-313 Konrad Adenauer.