**Assessment of a Model Marine Hovercraft (ACV-Mk1)** The ACV-Mk1 is a 1:20 scale model of a marine hovercraft, or Air-Cushion Vehicle (ACV), designed to travel over water, land, and mud by riding on a cushion of air. This reduces friction and enables smooth, amphibious movement across multiple surfaces. In the maritime industry, hovercraft are used for search and rescue, military transport, coastal patrol, and operations in shallow or flooded areas where conventional vessels cannot operate effectively. The model demonstrates the core working principle using a lift system, thrust system, and steering mechanism. Key advantages include amphibious capability, high maneuverability, and access to difficult terrains. However, limitations include high power consumption, reduced performance in rough seas, noise, and skirt maintenance challenges.