Visual line of sight obstruction

Verified from official sources
101.209Version 1Effective -Verified 25 August 2026

In plain language

You must not fly your drone in a way that blocks your direct line of sight as defined by CAA rules, unless you meet the specific conditions allowed in those rules.

Requirement as structured

A person must not operate a remotely piloted aircraft or free flight model aircraft in a way that obstructs their visual line of sight as specified in a transport instrument, unless they meet the conditions specified in that transport instrument.

Original regulatory text

(a) This rule applies to the following types of aircraft: (1) a remotely piloted aircraft: (2) a free flight model aircraft. ... (e) A person must not operate an aircraft in such a way as to obstruct the person’s visual line of sight as specified in a transport instrument, unless the person meets the conditions specified in a transport instrument.

Applies when

operation
VLOS