Successful live trials in the Heathrow FRZ mark a major milestone in the future of secure autonomous drone operations

READING, England, April 2, 2025 /PRNewswire/ -- OSL has announced the successful completion of the final phase of Project HADO®, a UKRI-funded research and development initiative aimed at enabling secure, repeatable Beyond Visual Line of Sight (BVLOS) drone operations across UK airspace. The milestone marks the conclusion of more than two years of intensive innovation, consortium collaboration, and field testing.

OSL led the consortium as prime integrator, bringing together key organisations including Heathrow, Thales, Cranfield University, UAVTEK, Carmenta, HEROTECH8, and Dynamic Intelligence Solutions--each contributing critical expertise across aviation, autonomy, surveillance, and airspace management.

Project HADO® -- short for High-Intensity Autonomous Drone Operations -- focuses on enabling fully autonomous drone missions in busy, safety-critical environments such as airports, ports, urban centres, and transport hubs. These are spaces where complex air and ground activity makes uncrewed flight especially challenging. While many BVLOS projects explore long-range corridor travel, HADO® was designed to address the far more difficult task of operating autonomously within high-density, operationally complex areas.

In the final series of live trials, OSL deployed its system within the Heathrow Flight Restriction Zone (FRZ), demonstrating two core use cases: perimeter patrol, using visible and thermal cameras to detect loiterers or intrusions along a fence line; and building survey, using automated point-to-point flight and image capture to generate both visual and thermal inspection data.

These missions were supported by a detailed digital twin of the environment, developed in collaboration with Cranfield University. This synthetic modelling environment enabled precise flight planning, environmental awareness, and robust training of the autonomous behaviours required for safe and repeatable operations.

The system is fully integrated into OSL's proprietary platform, FACE®, which incorporates drone-in-a-box infrastructure, layered sensor fusion, Uncrewed Traffic Management (UTM) tools, and a real-time operator interface. This end-to-end capability allows for safe, automated missions even in GPS-denied or dynamically changing environments.

One of the outcomes of this final phase is the development of a rapidly deployable mobile HADO® system--allowing organisations to set up autonomous drone operations on-site within a single day. This flexibility opens the door to a wide range of applications, from critical infrastructure inspection to urban safety and emergency response.

The project also delivered significant advances in detect-and-avoid functionality--widely considered one of the key challenges to safe BVLOS flight. By combining radar, optical sensors, and real-time environmental scanning with AI-driven logic, the system can autonomously detect risks, adjust its flight path, or safely return to base.

"Project HADO® has been a defining moment for OSL," said Mark Legh-Smith, Chief Executive Officer at OSL. "We've taken a bold vision and delivered a functioning, field-tested system that brings together autonomy, safety, and situational awareness. It's a milestone not just for our team, but for the future of UK airspace."

OSL continues to work closely with the Civil Aviation Authority (CAA) to support the safe expansion of BVLOS operations in the UK. The comprehensive safety framework, operational data, and successful trials at OSL's test facility near Reading are helping to inform the evolution of the UK's regulatory environment.

Looking ahead, the technologies developed in HADO® are intended to support a wide range of civil and commercial use cases beyond the security domain -- including infrastructure monitoring, transport hub management, and smart city applications. OSL and its partners are actively exploring future opportunities to deploy and evolve the system in line with operational needs.

About OSL
OSL is a UK-based security technology company specialising in adaptive, multi-layered solutions to protect high-value, risk-prone environments from unauthorised drones and other emerging threats. Founded by security and operational experts, OSL delivers advanced, technology-agnostic systems that integrate layered sensors, proprietary AI, and real-time data fusion to safeguard complex 3D spaces.

Its core platform, FACE®, enables centralised monitoring, precise threat detection, and autonomous response capabilities across both aerial and ground domains. From design and deployment to 24/7 remote monitoring and lifecycle support, OSL provides full-spectrum protection tailored to each operational environment.
www.osltechnology.com

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