The Classroom of Thermal Engines Theory № 21 is a specialized classroom of the specialty 272 “Air Transport” (educational and professional programs “Maintenance and Repair of Aircraft and Aircraft Engines”, “Technologies of Work and Technological Equipment of Airports”, “Maintenance of aircraft and engines”) and is designed for lectures and practical classes in the disciplines “Thermodynamics and Thermal transmission”, “Theory of Thermal Engines”, “Theory and Design of Thermal Engines”.