As the time goes by, technology is increasingly developing, in including in aviation world. In this era, people using air transportation to go to their destination. Just like another transportations accidents are things that can be encountered in the air transportation, where a defective product is one of the main factors that cause aircraft accident. Defective product is one of the contributing factors of aircraft accident in aviation transportation. However, these regulations on manufacturer and airlines liability has yet to find an implict direction within the shrines of international convention in aviation field, American Aviation law and Indonesia’s national aviation act. This can be seen from aircraft accidents that involving Boeing 737 MAX 8. The method used in this study is empirical-normative. The data collection method using data from the literature study, analytical methods in the form of descriptive-qualitative analysis of data from exsisting library research. From this study, it is found that passenger can get a compensation from either the manufacture and from the airlines with the principle of strict liabilty as regulated in Montreal Convention of 1999, American Aviation law as FAA Reauthorization Act of 2018, Indonesia’s national aviation act, and Indonesia’s consumer protection act.