Do I need to register a drone with the FAA?

In the US, drones under 250g (0.55 lbs) used for recreational flying don't require FAA registration. Drones 250g and above require registration ($5 fee). For commercial use, all drones require Part 107 certification regardless of weight. DJI Mini series drones are specifically designed under 249g to avoid mandatory registration.

What's the difference between DJI RC and RC-N controllers?

DJI RC has a built-in screen — you fly without needing a phone. RC-N requires you to mount your smartphone to the controller as the display. RC (with screen) costs more but is more convenient, especially outdoors where phone screens are hard to see. RC 2 is an updated version with improved controls.

How far can a drone fly?

Most modern DJI drones have a legal transmission range of 10-20km, but legally you must fly within visual line of sight (VLOS) in the US — typically 400 feet altitude and within sight distance. Battery limits practical range to 3-5 miles round-trip at most.

What is obstacle avoidance and do I need it?

Obstacle avoidance uses sensors to detect and avoid objects. DJI Mini 4 Pro and Air 3 have omnidirectional avoidance (forward, backward, left, right, up, down). Mini 3 has forward/backward/downward only. For beginners, omnidirectional is strongly recommended — a $100 tree collision can destroy a $800 drone.

Can I fly a drone anywhere?

No — airspace restrictions are significant. Check the FAA's B4UFLY app or DJI's GEO system before every flight. National parks, within 5 miles of most airports, over stadiums, and many urban areas are restricted or require authorizations. Always check local laws in addition to FAA rules.

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