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Guide ยท Updated for 2026

Drone Speed Limit Under Part 107

One number to memorize, plus one concept the test likes to check: groundspeed.

The short answer

The maximum groundspeed for a small drone under Part 107 is 87 knots, or 100 mph.

Part 107 limits how fast a small unmanned aircraft may travel.

The limit

Maximum groundspeed is 87 knots, which equals about 100 miles per hour.

Groundspeed vs airspeed

Groundspeed is your speed over the ground. Wind changes it. With a 20 mph tailwind, a drone at 60 mph airspeed has about 80 mph groundspeed. The limit applies to groundspeed.

Most drones are far below it

Many consumer drones top out below 100 mph, though racing and some performance drones can approach it.

Related limits to memorize

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Frequently asked questions

What is the maximum speed for a drone under Part 107?

87 knots, which is about 100 mph groundspeed.

Does the speed limit apply to groundspeed or airspeed?

Groundspeed, the speed over the ground.

What is the maximum weight for Part 107?

Under 55 pounds at takeoff, including everything on board.

Can wind affect the speed limit?

Yes. Wind changes groundspeed, which is what the limit measures.

Related guides

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