Sister plane of that involved in late last year 's crash lost altitude today . Air safety agency sent out directive warning operators to be aware . Pilot in that incident pulled the plane out of the dive averting problems . Airbus A320s involved in number of accidents since introduced in 1980s . Plane is considered extremely safe and is widely used around world .
Sister plane of that involved in today 's crash lost altitude late last year . Air safety agency sent out directive warning operators to be aware . Pilot in that incident pulled the plane out of the dive averting problems . Airbus A320s involved in number of accidents since introduced in 1980s . Plane is considered extremely safe and is widely used around world .