Brian Cleeve travels with the light tender 'Ierne' on a trip to serve lighthouses at Fastnet, Bull Rock and the Skelligs.

This episode of the documentary series 'Discovery' shows the difficulties of getting men and provisions on and off these rocks. The 'Ierne' provides a lifeline to lighthouses off the coast of Ireland, bringing fresh
food and other necessities.

'Discovery: Irish Lights' was broadcast on 28 September, 1964.

Discovery was a documentary series broadcast on RTÉ between 1964 and 1967. Discovery, which first aired on Tuesday, 14 January, 1964 touched on many aspects of Irish life with an occasional spotlight on events of particular interest.