Drone Flight Time Calculator – U.S. & UK Military UAV Endurance

Free real-world flight time calculator for U.S. DoD, British Army, Royal Marines, RAF, NATO forces and defence contractors. Instantly compute hover & cruise endurance for tactical drones, loitering munitions, ISR platforms and FPV strike systems.

Used Daily by NATO Operators & Defence Professionals

• U.S. Army: RQ-11 Raven, Puma 3 AE, Switchblade 300/600, Black Hornet 3, ALTIUS-600
• UK MoD & British Army: Watchkeeper WK450, Desert Hawk III, Thales Fulmar, InstantEye Mk-3
• NATO Group 1–3 UAVs, Skydio X2D, Anduril Ghost, AeroVironment JUMP 20, Coyote Block 3
• 2025 battery tech: high-discharge LiPo, Li-Ion 46950, solid-state prototypes
• Built to U.S. FM 3-04.155 & UK JSP 984 safety standards (20–25% reserve enforced)

Top Searched Military Drones – USA & UK

RQ-11 Raven • Puma AE • Switchblade 600 • Black Hornet 3 • Watchkeeper WK450 • Desert Hawk III • InstantEye Mk-3 • Skydio X2D • Anduril Ghost • JUMP 20 • 5-inch & 7-inch FPV Strike • 10-inch Long-Range • DragonFire Loitering Munition

NATO / U.S. / UK Reserve Rule:
Always land with minimum 20–25% battery remaining