The heavy-load UAV is a multi-purpose, gasoline-powered unmanned helicopter with a tandem design. It boasts a powerful propulsion system and exceptional safety and reliability. It can take off and land without the need for a dedicated airport and supports multiple operating modes, including ground stations and emergency command vehicles, adapting flexibly to diverse operating environments. Its exceptional payload capacity also allows it to carry equipment for exploration, detection, and crop protection, demonstrating its broad potential for application in fields such as exploration, agriculture, and power generation, enabling the provision of customized solutions.