Section 138 in The Naval Ceremonial, Conditions Of Service And Miscellaneous Regulations, 1964
138. Captain of the Fleet.
- When the Chief of the Naval Staff shall deem it expedient to appoint a Captain of the Fleet, he shall be a Captain of such seniority as the Chief of the Naval Staff may consider desirable, save that in exceptional circumstances the Chief of the Naval Staff may appoint a Commodore; and if he is not also in command of the ship in which he is borne, he shall be given an appointment as additional Captain of that ship.
