EN
The purpose of this paper is to present issues related to the concept of fire and the impact of fire protection systems on the safety of flight operations. Particular attention was paid to the problem of using halons on board aircraft. Attention has also been paid to the difficulties of replacing halons while maintaining appropriate safety standards during flight. This article, based on data from literature and consultations with experts, presents the principle of operation and construction of the most popular fire suppression systems. The problem of using halons in aircraft fire protection systems, considering current regulations and legislation, was analyzed. The present study provides insight into the current situation regarding the issue of firefighting. The authors have also pointed out the need to consider firefighting in the context of new materials used in aviation passenger luggage, including sportswear made of new materials with a low flash point.