Loss of Data Link Recovery

Verified from official sources
Annex Part 3 (7)Part 4Version 2Effective -Verified 22 August 2026

In plain language

Configure and test your drone's fail-safe behavior (e.g., Return-to-Home) so it behaves predictably if you lose connection.

Requirement as structured

Unless tethered, a class C2 UA must have a reliable and predictable method to recover the data link or terminate the flight upon loss of data link.

Original regulatory text

A class C2 UAS bears the following class identification label on the UA: A class C2 UAS shall comply with the following: unless tethered, in case of a loss of the command and control link, have a reliable and predictable method for the UA to recover the command and control link or, if it fails, terminate the flight in a way that reduces the effect on third parties in the air or on the ground;

Applies when

class marking
C2
regulatory category
Open