Pennant number
"Cleopatra" was ordered during 1962 as the 10th ship of the "Leander"-class. The ship was laid down at Devonport Dockyard on 19 June 1963, was launched on 21 March 1964 and completed on 4 January 1966. She commissioned with the Pennant number F28 and International Callsign 'GMLU' on 1 March 1966.