CONTROLLED AND EXCLUSION ZONES

Specified vessels, whilst navigating in the West, East and Main Channels within 
Milford Haven Port Authority limits, will be given moving Controlled and Exclusion Zones.

Controlled Zone:
1 mile ahead and 1 mile astern of the specified vessel.
Commercial vessels of length 20 metres or more are not permitted to navigate in this 
zone without permission of VTS.

Exclusion Zone:
Ahead - the limit of line of sight of the specified vessel, defined by the position 
of the patrol vessel.
Astern - the stern of the escort tug where provided, or 100 metres from the specified 
vessel where the tug is not provided.
Vessels are not permitted to navigate in this zone.
