|Office of the|
|Department of Admiralty|
|Reports to||Flag Officer Commanding, Orkney's and Shetlands|
|Appointer||First Lord of the Admiralty|
|Term length||not fixed|
usually 1-4 years
|Precursor||Rear-Admiral Commanding, Scapa|
|First holder||Rear-Admiral Arthur Lumley St George Lyster|
|Final holder||Rear-Admiral Sir Patrick McNamara|
|1||Rear-Admiral||Arthur Lumley St George Lyster||September 1939 - 1 September 1940.|
|2||Rear-Admiral||Sir Patrick McNamara (rtd.)||1 September 1940 - March 1945|
The office holders responsibilities were to carry out the duties of flag officer in charge of the Port of Scapa and as Admiral-Superintendent of Lyness Naval Base and Orkney to organise the construction of naval establishments and supervise the defences of Scapa.
This office holder also held the joint titles of Admiral-Superintendent, Orkney from 1942 to 1945 and Admiral-Superintendent, Lyness from 1940 to 1945.
- "Patrick Macnamara Life and Career Post War". dreadnoughtproject.org. The Dreadnought Project.Org, 13 June 2016. Retrieved 31 October 2016.
- Hewison, W. S. (2020). "27: The Harbour". This Great Harbour Scapa Flow. Edinburgh, Scotland.: Birlinn Ltd.
- Hewison, W. S. (2020). "27: The Harbour". This Great Harbour Scapa Flow. Edinburgh, Scotland.: Birlinn Ltd. ISBN 978-1-78885-269-2.
- Laughton, Leonard George Carr; Anderson, Roger Charles; Perrin, William Gordon (1957). "Obituary:Rear Admiral Sir Patrick McNamara". The Mariner's Mirror. London, England.: Society for Nautical Research. 43: 178.