• ACSL will exhibit at International Drone EXPO, held within Maintenance & Resilience TOKYO 2026 at Tokyo Big Sight, Tokyo, Japan, from July 15 to 17, 2026
• The exhibition will feature use cases of SOTEN and PF4, as well as a development prototype of a next-generation small aerial photography drone currently under development under the Small Business Innovation Research Program (SBIR) of the Ministry of Economy, Trade and Industry

ACSL Ltd. (“ACSL”) announces that it will exhibit at International Drone EXPO, to be held within Maintenance & Resilience TOKYO 2026 at Tokyo Big Sight, Tokyo, Japan, from July 15 to 17, 2026.
At this exhibition, ACSL will showcase its Japan-made drone “SOTEN,” which is increasingly utilized in Japan and the United States, together with demonstrations of various use cases of the multi-purpose drone “PF4.” In addition, ACSL will present a development prototype of a next-generation small aerial photography drone currently being developed under the Small Business Innovation Research Program (SBIR) of the Ministry of Economy, Trade and Industry. The exhibition will provide visitors with an opportunity to see and interact with the latest Japan-made drones.

■Highlight 1: Display of a Development Prototype of a Next-Generation Small Aerial Photography Drone under SBIR
ACSL has been selected as a project implementer under the “Small Business Innovation Research Program (SBIR)” and is currently developing a next-generation small drone as part of the project “”Performance Improvement and Social Implementation of Small Aerial Photography Drones to Meet Government Needs” (the Project).
At this exhibition, ACSL will display a development prototype of this drone. In addition to introducing the aircraft’s performance and features, a demonstration of captured video using the onboard camera will also be presented.
The Project aims to enhance the fundamental performance required for small aerial photography drones, including wind resistance, flight time, weather resistance, portability, obstacle avoidance, and camera capabilities. Based on ACSL’s accumulated expertise, the drone is also designed to strengthen autonomous control technology and security features. Furthermore, by integrating AI technologies, ACSL aims to realize a concept of an aircraft that can be “easily used by anyone, anywhere, at a high level.”
In the video demonstration, assuming inspection use cases, objects such as wall cracks and rust on screws installed within the booth will be captured, and the footage will be displayed on a ground control station monitor.
Next-Generation Small Aerial Photography Drone (Development Prototype)

■Highlight 2: Display of Payload Kits for Multiple Use Cases of the Multi-Purpose Drone PF4
PF4 is a multi-purpose drone equipped with long-range flight performance and safety features, and is capable of supporting a wide range of applications including logistics, wide-area aerial photography, and surveying. Its payloads are designed to be interchangeable by the user, enabling flexible operation according to the intended use.
At this exhibition, various payload kits will be displayed together with the aircraft, providing an opportunity to experience operations across multiple use cases.
PF4(Logistics) PF4(Survey)

■Exhibition Details
・Date: July 15–17, 2026, 10:00–17:00 International Drone EXPO within Maintenance & Resilience TOKYO 2026
・Venue: Tokyo Big Sight, East Exhibition Halls, Tokyo, Japan
・Booth: 3-N12 (International Drone EXPO Zone)
・Admission: Free (Advance visitor registration required)
・Website: https://mente.jma.or.jp/structure/drone.html

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