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 expanded its Exclusive Economic Zone (EEZ) once more, this time to . ICG vessels were dispatched to apprehend unlicensed fishing trawlers beyond the new boundary. On 2 September 1972, Ægir intercepted 16 trawlers exiting the EEZ.