SilkAir's new Boeing 737 Max 8 aircraft is seen through a viewing gallery window parked on the tarmac of Singapore's Changi International Airport. (Photo: AP) 

FRANFKRUT, March 12 (Xinhua) -- Germany's Federal Minister of Transport Andreas Scheuer told media Tuesday that "Until all doubts have been dispelled, I have ordered that the German airspace is closed for the Boeing 737 Max as of now."

Last Sunday morning, a Boeing 737 MAX 8 aircraft operated by Ethiopian Airlines crashed shortly after taking off from the Ethiopian capital Addis Ababa, killing all 157 people on board, including eight Chinese nationals.