Maximum Restraining Device Length for Tethered Small Unmanned Aircraft

Verified from official sources
The Air Navigation Order 2016 article 265EVersion 1Effective -Verified 21 August 2026

In plain language

The tether holding your drone must not be longer than 25 metres unless your operator has a specific permission from the CAA.

Requirement as structured

The UAS operator or remote pilot must not cause or permit a tethered small unmanned aircraft to be flown where the limit imposed by the restraining device is more than 25 metres long, unless authorized by a CAA permission.

Original regulatory text

the aircraft to be flown where the limit imposed by the restraining device is more than 25m long, other than in accordance with a permission issued by the CAA to the UAS operator.

Applies when

country
United Kingdom
aircraft type
tethered small unmanned aircraft
regulatory category
General