Chief Inspector of Machinery (Royal Navy)
The rank was introduced as Chief Inspector of Machinery Afloat by Order in Council of 6 July, 1866. It ranked with Paymaster-in-Chief and Secretaries to Admirals of the Fleet. By order in Council of 17 May, 1867, the rank was made honorary, and was "to be given to Officers of long and meritorious service."
As of 1 April, 1900, Chief Inspectors of Machinery ranked with Captains of 3 years' seniority, according to date of commission.
- Order in Council of 29 June, 1900.
- Order in Council of 28 March, 1903.