Loss of Data Link Recovery

Verified from official sources
Part 3Part 4Version 1Effective -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

unless tethered, in case of a loss of data link, have a reliable and predictable method for the UA to recover the data link or 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