M3 Systems Belgium is an SME created in 2004 and is part of the MISTRAL group with two other SMEs. It is specialized in radio-navigation for critical applications. As part of the critical applications of interest for M3 Systems Belgium, the impact of radio-navigation performances and vulnerabilities for UAVs operations. In this context, M3 System Belgium relies on the long endurance fixed-wing UAV platform manufactured by Boreal, also part of the MISTRAL group.