Minimum Ground Risk Buffer Distance

Verified from official sources
Section 7UAM 013, para. 7Version 1Effective -Verified 24 August 2026

In plain language

When planning your flight, you must use at least the minimum Ground Risk Buffer (GRB) distance required by regulations, keeping in mind that wind can drift a parachute-equipped drone outside this buffer.

Requirement as structured

Operators must use the Ground Risk Buffer (GRB) distance defined in current regulations as the absolute minimum.

Original regulatory text

Operators shall use GRB distance defined in extant regulation as the absolute minimum.

Applies when

operation
Specific