Trinity House is the General Lighthouse Authority (GLA) for England, Wales, the Channel Islands and Gibraltar. Their remit is to provide 'Aids to Navigation' to assist the safe passage of a huge variety of vessels through some of the busiest sea-lanes in the world.Their responsibilities include the annual inspection and auditing of over 10,000 'Aids to Navigation' provided by local port and harbour authorities and those provided on offshore structures such as production platforms or wind farms. Trinity House is also responsible for marking, and dispersing wrecks which are a danger to navigation.The MV Golden Gate is the local Trinity House tender vessel in North Northumberland, George Shiel is the lighthouse attendant for Longstone, Inner Farne and Bamburgh lighthouses. The role includes the supply and maintenance of the local lighthouses and the support of the Trinity house ships, the MV Patricia and the MV Galatea. George provides guided tours inside Longstone Lighthouse for passengers on the MV Golden Gate interested in exploring the former home of Trinity House heroine, Grace Darling.