AQ-400 Scythe: Ukraine's Disposable Attack Drone

The AQ-400 Scythe UAV is a single-use strike drone designed to deliver payloads over long distances with minimal production costs. Developed by Terminal Autonomy, formerly One Way Aerospace, the drone is designed for mass production in resource-constrained environments. Its simple design and rapid assembly allow it to attack targets hundreds of kilometers away. A standard container holds up to thirty ready-to-launch units, simplifying logistics and deployment. Some components are manufactured locally, while others are sourced from European countries, including Germany and the UK. This approach helps circumvent import restrictions and reduces the overall cost of each unit.

History of creation

Development of the AQ-400 Scythe began in mid-2022, when Terminal Autonomy was founded by veterans of the British and Australian armed forces, along with a Ukrainian engineer. The primary goal was to create affordable kamikaze drones to support defensive operations. The project was first publicly unveiled in the spring of 2023, and by December of that year, the armed forces received the first batch of devices for testing. Production began at a rate of 100 units per month, but plans were already underway to increase to 500 per month in the second quarter of 2024, with potential to reach 1,000. An emphasis was placed on localizing assembly within the country to minimize dependence on external supplies. Key components, such as engines and electronics, are sourced from Europe, ensuring supply chain stability. The drone is positioned as a cost-effective alternative to more complex systems, capable of operating in intense combat conditions.

Testing included flights with different engine types and navigation tests in real-world scenarios. The company emphasizes the ease of manufacturing, with the fuselage formed from milled plywood sheets, eliminating the need for highly skilled personnel and expensive equipment. In 2023, the aircraft was demonstrated to potential NATO customers, and one alliance member expressed interest. By 2025, production had stabilized at several hundred units per month, with updates to the navigation system, including artificial intelligence elements for autonomous operation without satellite communications. These improvements allow the aircraft to better cope with interference and improve guidance accuracy.

Design and specifications

The AQ-400 Scythe is a biplane with two pairs of wings, the forward wings providing stability and the rear wings generating the primary lift. The fuselage has a rectangular cross-section, simplifying payload placement and reducing manufacturing complexity. The airframe is assembled from furniture-grade plywood with minimal machining, making the process accessible even in field conditions. The pusher engine is mounted in the tail and runs on commercial gasoline. Options include a DLE 170 engine with electric starting or a Sky Power DS-210 for increased reliability. Launch is performed from a short runway using tricycle landing gear, which is jettisoned after takeoff, or by catapult, and rocket boosters are used for a zero-takeoff. Navigation is based on an inertial navigation system with terrain correction, and a video link is available for manual control during the final approach. The payload is housed in the central compartment and can include high-explosive, thermobaric munitions, or even artillery shells. The aircraft is adapted for swarm operation using the leader-follower principle, where one drone carries full navigation capabilities while the others use simplified systems, significantly reducing the cost of the entire swarm.

Transport is facilitated by folding wings and modular assembly, which takes just a few minutes. The total weight of the aircraft is approximately one hundred kilograms, and its cruising speed is optimized to conserve fuel on long routes. This design provides a balance between range, payload, and production costs.

Technical specifications

• Flight range: 750 kilometers
• Maximum range with minimum load is 900 kilometers
• The warhead weight is 32 kilograms.
• Maximum payload 70 kilograms
• Cruising speed 144 kilometers per hour
• The maximum speed is 200 kilometers per hour
• Flight time is 6,5 hours
• Wingspan 2,3 meters
• The empty weight of the apparatus is 100 kilograms.
• The base version costs 15 thousand dollars.
• The price with navigation is 30 thousand dollars.
• Launch method: short strip or catapult

Combat application

The AQ-400 Scythe entered service in late 2023, with the first batch used to test tactical techniques and integrate into existing systems. The aircraft are used to strike targets deep in defense, including ammunition depots, command posts, and materiel concentrations. Launches are conducted in groups to saturate the airspace and overwhelm detection systems. Inertial navigation allows the aircraft to bypass areas under active electronic countermeasures, and in 2024, operations were recorded against airfields and logistics hubs at distances of hundreds of kilometers. In swarm mode, the leader is equipped with full electronics, while the wingmen use minimal components, minimizing losses from interception. Video footage shows launches from mobile platforms, including trucks, and flights along complex terrain-following routes. Effectiveness depends on the number of aircraft launched simultaneously, as individual units remain vulnerable to radars and anti-aircraft systems. Group deployment places significant strain on air defense systems, forcing resources to be spread thin. By 2025, production supported regular operations, where drones are integrated with other types of unmanned aerial vehicles for complex strikes. Tactics include night launches, low-profile flights, and combinations with decoys. Losses are quickly offset by the high production rate, although specific data on strike results remains limited. The developer confirms the aircraft's participation in combat sorties, emphasizing their role in maintaining pressure on remote targets without risking manned aircraft.

The AQ-400 Scythe occupies a niche in the long-range strike arsenal thanks to its ease of production and mass deployment. Its advantages lie in its volume production and low cost, allowing it to maintain constant pressure on rear-line targets. Further development is aimed at enhancing its electronic countermeasures and increasing its payload. Its mass production offsets the vulnerabilities of individual units, making it effective in cost-effective attack strategies.