H-90 is a designation that can refer to various subjects, but it is commonly associated with a specific model of helicopter or aircraft. These vehicles are designed for various purposes, including transportation, surveillance, and search and rescue operations. The H-90 series is known for its advanced technology and versatility in different environments. In some contexts, H-90 may also refer to a specific military or civilian project. It often involves collaboration between various organizations and may include features like enhanced navigation systems and improved fuel efficiency. Overall, H-90 represents innovation in aviation technology.