Aircraft and helicopter on-board equipment systems . Fuel System and Cabin Equipment: A Training Manual by I. In. Chepurnykh and S. A. Chepurnykh is a unique work that will become an indispensable assistant for students of aviation specialties, engineers and anyone interested in aerospace engineering. This manual not only highlights the theoretical aspects of the operation of on-board equipment, but also immerses the reader in the practical details necessary for understanding and operating modern aircraft and helicopters. The book focuses on two key aspects: fuel system and cabin equipment. The authors carefully analyze the principles of these systems, their design features and functional tasks. The reader will learn how to ensure a safe and efficient fuel supply, how control and monitoring systems are arranged in the cockpit, as well as what the latest technologies are used in this area. Each topic is revealed taking into account current trends and achievements in the aviation industry, which makes the book relevant and useful for future specialists. The book will be of interest not only to students of technical universities, but also to practicing engineers who want to update their knowledge or delve into the specifics of the work of on-board equipment .. It can also attract the attention of aviation enthusiasts who want to better understand how their favorite aircraft and helicopters are arranged. The age category of readers varies from high school students interested in technical sciences to professionals working in the aviation field. The topics raised in the book go beyond simply describing technical systems. The authors emphasize the importance of flight safety, which is a key aspect in aviation. They consider not only the technical characteristics, but also the influence of the human factor on the operation of on-board equipment, which adds depth and versatility to the issues discussed. This book is not just a textbook, but a whole world into which the reader plunges, studying not only the mechanisms, but also the philosophy of aviation. The style of the authors is distinguished by clarity and accessibility of the presentation, which allows even complex technical aspects to be perceived easily and with interest. and . In. Chepurnykh and S. A. Chepurnyh have already established themselves as authors of high-quality educational materials, and this manual was no exception. Their previous work has also focused on aviation topics and received positive feedback from both students and professionals. If you are looking for a high-quality training manual on on-board equipment systems that will help you not only in your studies, but also in your future career, then “Aircraft and helicopter on-board equipment systems . Fuel system and cabin equipment" will be a real find for you. This book will help you not only master the theory, but also prepare you for the practical application of knowledge in real life. Do not miss the opportunity to touch the world of aviation and learn about how systems that provide safety and comfort during flights work.