Bell V-247 Vigilant ‹› Overview The Bell V-247 Vigilant is a concept by Bell Helicopter to develop a large tiltrotor unmanned aerial vehicle. Specifications Aircraft Roles UAVs Country United States Timeline 2020s Manufacturer Bell aircraft Configuration Landing Gear Aircraft With Retractable Conventional Landing Gear Wing High-Wing Aircraft Types Helicopters Tiltrotor Aircraft Propeller aircraft Mid-Engined Aircraft Single-Engined Twin-Prop Tractor Aircraft Single-engine aircraft Tractor Aircraft VTOL Aircraft Convertiplanes View on Wikipedia → ◀ Bell Eagle Eye Boeing A160 Hummingbird ▶ Similar Aircraft Anduril YFQ-44 United States 2020s General Atomics Mojave United States 2020s Shield AI MQ-35 V-BAT United States 2020s Unmanned Long-endurance Tactical Reconnaissance Aircraft United States 2020s Lockheed Martin Sea Ghost United States 2020s Northrop Grumman Tern United States 2020s