Aviation authorities in China, Indonesia and Ethiopia ordered airlines on Monday to ground their Boeing 737 Max 8 planes after one of the aircraft crashed in Ethiopia, killing all 157 people on board.

The crash of the Ethiopian Airlines jet shortly after it took off from Addis Ababa on Sunday is drawing renewed scrutiny of the plane just four months after a similar crash of the same model of aircraft in Indonesia that killed 189 people.

A spokesman for Ethiopian Airlines, Asrat Begashaw, said the carrier had grounded its remaining four 737 Max 8 planes until further notice as an “extra safety precaution.”

The airline had been using five new 737 Max 8s and awaiting delivery of 25 more. Asrat said the search for body parts and debris from the crash was continuing.

China’s Civil Aviation Administration said that it ordered airlines to ground all 737 Max 8 aircraft as of 6 p.m. (1000 GMT) Monday, in line with the principle of “zero tolerance for security risks.”

It said it would issue further notices after consulting with the U.S. Federal Aviation Administration and Boeing.

China Southern Airlines is one of Boeing’s biggest customers for the aircraft.

Indonesia also grounded 737 Max 8s for inspections.

Director General of Air Transportation Polana B. Pramesti said the grounding was taken to ensure flight safety and ensure the planes are airworthy.

Source:Time