FRZ Boundaries for Aerodromes Without an ATZ
Verified from official sourcesArticle 94AVersion 1Effective -Verified 21 August 2026
In plain language
For protected aerodromes without an ATZ, the FRZ is a circle with a 2 nautical mile radius centered on the mid-point of the longest runway, extending from the ground up to 2,000 feet.
Requirement as structured
Defines the flight restriction zone for a protected aerodrome without an aerodrome traffic zone (ATZ) as a cylinder extending from the surface to 2,000 feet above aerodrome level, with a 2 nautical mile radius centered on the longest runway's mid-point.
Original regulatory text
The flight restriction zone of a protected aerodrome consists of the airspace extending from the surface to a height of 2,000 feet above the level of the aerodrome within the area bounded by a circle centred on the notified mid-point of the longest runway and having a radius of two nautical miles.
Applies when
- country
- United Kingdom
- regulatory category
- General