Garuda Indonesia Boeing 737-800 at Jakarta airport (CGK) in Indonesia, January 27, 2018. [File Photo: IC]

Indonesia's biggest airliner, PT Garuda Indonesia, has canceled orders of 49 Boeing 737 Max 8 jet planes in the wake of two crashes involving similar types of planes in Indonesia and Ethiopia in the last six months, President Director of the firm Ari Askhara said here Friday.