Iran has also banned the flights of Boeing 737 MAX aircrafts after Ethiopian crash, leaving 157 people killed, Mehr reported. 

According to the source, Reza Jafarzadeh, a spokesman at Iran Civil Aviation Organization (CAO), noted that CAO has issued A Notice to Airmen (NOTAM) to ban the US planemaker Boeing Co’s 737 MAX aircraft from entering or transiting its airspace.