Low flight endurance is a pitfall commonly identified in most modern-day battery powered micro aerial vehicles. This paper presents the design and analysis of a ducted fan micro aerial vehicle(MAV) having a multifunctional, modular structure in order to address the above problem. The ducted fan rotorcraft has been designed particularly to meet the safety and hover efficiency needs for a prolonged indoor surveillance mission. A detailed literature survey on rotorcraft MAVs and multifunctional structural batteries has been reported and discussed. The paper involves detailed conceptual, preliminary and final design stages of a structurally and aerodynamically optimized axial fan that successfully caters to lower power consumption as compared to similar off the shelf propellers available in the market. The MAV incorporates multifunctionality by merging its structural and energy elements into a single subsystem (PAN-based carbon fiber batteries) thereby enhancing flight endurance. © 2017 by the American Helicopter Society International, Inc. All rights reserved.