Iceland expanded its EEZ again, this time to . ICG vessels were deployed to chase unlicensed fishing trawlers out of the new limit. On 2 September 1972, Ægir chased 16 trawlers out of the EEZ.
Iceland increased its maritime boundaries, pushing them further out to . To maintain control over this new area, ICG vessels were deployed to intercept unlicensed fishing trawlers that ventured into the expanded zone. On September 2, 1972, Ægir successfully removed 16 trawlers from the EEZ.