المنطقة الاقتصادية الخالصة
In January 1977, when the United Kingdom enlarged its Exclusive economic zone to , "Hardy" was deployed on patrols of the EEZ, protecting fishing stocks and oil fields. Serving mainly in the Londonderry Port and Portland areas, "Hardy" attended the 1977 Silver Jubilee Fleet Review off Spithead when she was part of the 2nd Frigate Squadron.