An RTÉ DJ broadcasts live from beneath the surface of Dun Laoghaire harbour as the Irish Underwater Council celebrates 25 years.

The Irish Underwater Council (CFT Comhairle Fo-Thuinn) was founded in 1963. To mark the anniversary RTÉ makes history with its first ever live underwater broadcast. 

An international conference at the Royal Marine Hotel in Dun Laoghaire marks the 25th anniversary of CFT and the 400th anniversary of the Spanish Armada. Speaking at the conference,

President Hillery commended the divers for uncovering the many mysteries which lie under the sea.

Many divers take part in rescue operations and underwater research and scientific projects. 

The conference is a weekend of workshops, lectures, and films as well as displays of the latest diving gear which President Hillery gets to try out. 

 As part of the celebrations RTÉ Radio 2 DJ Barry Lang was in Dun Laoghaire for Ireland's first live underwater broadcast, accompanied by cameraman Peter Dorney. 

Back on dry land, there is a maritime exhibition displaying recently discovered artefacts at the Maritime Museum. Shane Grey of the Underwater Council of Sub Aqua Clubs describes the growing popularity of sub aqua diving. 

An RTÉ News report broadcast on 27 February 1988. The reporter is Joe O'Brien.