Visual Line of Sight Obstruction

Verified from official sources
101.209(e)Version 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 official transport instruments, unless you meet the specific conditions allowed in those instruments.

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 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