Londonderry Port and Harbour (Variation of Pilotage Limits) Order (Northern Ireland) 2002
By virtue of section 7(5) of the Pilotage Act 1987 a direction given by a competent harbour authority for the purpose of making pilotage compulsory for ships navigating in a specified area shall not apply to any area which is outside the authority’s harbour unless the limits of jurisdiction of the authority for pilotage purposes has been extended to cover that area.