Light dues are the charges levied on ships for the maintenance of lighthouses and other aids to navigation.
Light dues are levied on commercial vessels calling at ports in the British Isles and paid in to the General Lighthouse Fund (GLF), which is under the stewardship of the UK's Department for Transport and is used to finance the lighthouse services provided by the three General Lighthouse Authorities that cover all of the British Isles:
The main principles of the light dues system are:[1]
Increasing automation of aids to navigation in the British Isles has seen the rate of Light Dues fall in real terms over recent years. The first increase in Light Dues for twenty years occurred in 2009; the current administration announced in 2010 that there would be no further increases for at least the next three years.[2] The current administration has also reached agreement with the Irish government that will see aids to navigation off the coast of the Republic of Ireland wholly funded from domestic sources there by 2015-16.[3]