How fast do military drones fly?

Short answer

There's no single speed: military drones range from 50-70 km/h for a reconnaissance quadcopter to 570 km/h (310 kn) for the RQ-4 Global Hawk. The MQ-9 Reaper cruises at about 370 km/h (200 kn) and the Bayraktar TB2 at 130-220 km/h. They fly slowly on purpose: they prioritize endurance and surveillance time over speed.

Published: September 21, 2026 · Updated: September 21, 2026 · Edited by Above Ten Thousand · Editorial policy

MQ-9 Reaper Satcom

Slow by design

Most military drones fly slowly because their mission is to watch, not to race. An MQ-9 Reaper cruises at about 370 km/h (200 kn), and its pusher propeller, driven by a Honeywell TPE331 turboprop, is designed to keep the aircraft airborne for more than 24 hours. The Turkish Bayraktar TB2 is even slower: cruise speed of about 130 km/h and a maximum of 220 km/h, powered by a 100 hp piston engine. Infantry reconnaissance quadcopters move at 50-70 km/h with barely half an hour of battery life.

That slowness is a virtue: they burn little fuel, can carry heavy sensors, and sustain a surveillance orbit while operators, thousands of kilometers away, analyze the images.

The ones that do go fast

At the top end are the jet-powered drones. Northrop Grumman's RQ-4 Global Hawk flies at about 570 km/h (310 kn) above 18,000 m for more than 30 hours, powered by a Rolls-Royce AE 3007 turbofan. Aerial targets and some combat drone demonstrators, such as the XQ-58 Valkyrie or the MQ-28 Ghost Bat, sit in the high subsonic range, close to 900 km/h, because they need to keep pace with crewed fighters.

There were even supersonic drones: the Lockheed D-21 reconnaissance drone, launched from a modified SR-71 or a B-52 in the 1960s, exceeded Mach 3, though the program was cancelled after four missions.

Loitering munitions

A third group is single-use attack drones, such as Iran's Shahed-136, which flies at about 185 km/h on a piston engine. Their slowness makes them vulnerable to anti-aircraft guns and machine guns, but their low cost allows them to be launched by the dozen to overwhelm defenses. The full range, then, runs from 50 to 900 km/h, with most of the world's fleet flying below 400 km/h.