Competent harbour authorities (CHA) in the United Kingdom are those harbour authorities that have been given statutory powers relating to the provision of pilotage in their waters.
However, the act provided a procedure by which other harbour authorities could be assigned CHA status and some harbours have taken advantage of this process.
The Marine Navigation Act 2013 amended the Pilotage Act to provide a reverse process, so that harbour authorities could be relieved of CHA status.
A statutory harbour authority (SHA) is a different designation which permits harbours to charge dues and remove wrecks, as well as conferring the responsibility to maintain buoys and lighthouses within the area of the harbour.
The following are those harbour authorities that are currently identified as CHAs: