Hundreds of mariners are expected to take to the waters today in memory of the Rescue 116 crew who crashed off Mayo earlier this year.
The Coast Guard helicopter went down in March with four people on board – the bodies of two of the crew, Paul Ormsby and Ciaran Smith, have never been recovered since.
Today in a cross-border recognition of the scale of the tragedy – a flotilla of boats will take to Carlingford Lough – which straddles the North and Republic of Ireland.
