Class C0 Maximum Attainable Height Limit

Verified from official sources
Part 1Part 1Version 1Effective -Verified 22 August 2026

In plain language

The drone is designed with a built-in limit that prevents it from flying higher than 120 meters (approx. 400 feet) above the spot where you took off.

Requirement as structured

A class C0 UAS must have its maximum attainable height above the take-off point limited to 120 m.

Original regulatory text

have a maximum attainable height above the take-off point limited to 120 m;

Applies when

class marking
C0
regulatory category
Open