low-flying, low-speed drone

low flying aircraft / low-flying aircraft

accident-free flying / mishap-free flying

mishap-free flying / accident-free flying

anti-low-flying aircraft missile

terrain-hugging air-breathing low-flying vehicles

authorized low flying

low flying

low flying operation

flying wing drone

supersonic speed (exceeds speed of sound / Mach 1)

variable-speed with speed control

instantaneous vertical speed indicator / instantaneous vertical-speed indicator (IVSI)

cruise speed / cruising speed

Nr gauge (Nr = speed of rotation) / rotor speed sensor

low-speed aileron

hovering and low-speed indicator

low-RCS target / low-radar-cross-section target

low performance drone

low-altitude drone

low-altitude photoreconnaissance drone

drone war (world’s first drone war)

drone field of view (drone FOV)

drone swarm attack / drone swarming attack

drone swarm's counter-drone capabilities

hobby drone (hobby grade drone)

one-way attack drone (OWA drone)

flying boat

flying bomb

flying control officer

flying properties

flying squadron

flying wing