Aviation industry develops so fast that manufacturers are unable to supply components in time. Aviation companies work on improvement of their warehouses by introducing various mathematical and statistical methods. These methods calculate component safety life. In accordance with the regulations of the European Aviation Safety Agency (EASA) all suppliers and maintenance organizations shall comply with certain restrictions. The study provides information on the basic principles of mathematical and statistical methods of component safety life. The article gives information about the warehouse work in accordance with EASA requirements.