King's Harbour Master (Portsmouth)
The King’s Harbour Master (KHM) Portsmouth is the regulatory authority for the Dockyard Port of Portsmouth, an area that includes Portsmouth Harbour and the Eastern Solent.  Most port authorities are not subject to the Freedom of Information Act 2000 but are subject to the Environmental Information Regulations.

During the reign of Elizabeth II, KHM was known as the Queen’s Harbour Master (QHM).