The MOD and QinetiQ working together to provide Defence Test & Evaluation and Training Support Services

Fort Blockhouse

The Devonport site is located in Plymouth, Devon in the southwest of England. The site provides electromagnetic ranging of ships and submarines, and a harbour entrance Range. It is split over three facilities:

HM Naval Base Devonport: the Main Office

Eastern Kings: Harbour Entrance Range (HER)

Pier Cellars: Electromagnetic 20m Open Sea Range

In addition there is an Electromagnetic 9m Open Sea Range at Weymouth and a Harbour Entrance Range (HER) at Fort Blockhouse, Portsmouth.

Eastern Kings and Portsmouth HER are unmanned facilities. Eastern Kings is located on the western end of Plymouth Hoe at the bottom of Stonehouse barracks. The Portsmouth HER is located within Fort Blockhouse, Haslar Road, Gosport. These Ranges automatically gather magnetic signatures of vessels entering and leaving Plymouth and Portsmouth Harbours.

The Ranges at Fort Blockhouse offer the following capabilities:

MOD Plymouth
Building N192
HM Naval Base

Tel: 01752 552448

Fort Blockhouse
Harbour Entrance Range
Fort Blockhouse
Haslar Road
PO12 2AB

Tel: 02392 335511