I need a fully featured, browser-based 3D flight simulator purpose-built for education. The end product should let students explore aerodynamics, practice real-world flight navigation, and interact with detailed aircraft systems and controls—all inside a standard web browser with no extra installs... (Budget: $1000 - $3000 USD, Jobs: 3D Design, 3D Modelling, Game Development, HTML5, JavaScript, OpenGL, Unity 3D, Web Development)