Latest: Families and friends of those killed in the Rescue 116 crash have come together to mark one year since the tragedy.

Niamh Fitzpatrick, sister of Captain Dara Fitzpatrick, tweeted: “Through these absolute worst times in life I have seen the absolute best of humanity. Thank you.”

A date has been set for preliminary inquests into the Rescue 116 helicopter crash which killed all four crew members on board.

Maps used by the crew of Rescue 116 were blurred and contained incorrect details about Blackrock Island.

Tests are expected to be carried out today on items discovered in Mayo - to determine if they belong to the missing crew of Rescue 116.

Nearly 100 boats have taken part in a cross-border flotilla on Carlingford Lough in memory of the crew of a rescue helicopter which crashed off the County Mayo coast.

Another search operation to locate the bodies of the Missing Crewmen of Rescue 116 will continue off the coast of Mayo this morning.

Renewed sonar searches and trawling has begun around the crash site of the Irish Coast Guard helicopter that went down in the Atlantic.

Searches are due to resume off Co Mayo today for the lost crew of Coast Guard helicopter Rescue 116.

THIS week marked two anniversaries of tragedies — or atrocities if you’d prefer to be more direct — where too many lives were needlessly lost. 

A new search gets underway this weekend for the bodies of two airmen still missing since Coast Guard Rescue 116 crashed off the Donegal coast earlier this year.

The wife of one of the pilots killed in the Rescue 116 helicopter crash off the coast of Co Mayo last March has issued an open letter thanking the public for their support.

The Marine Institute's ROV submarine carried out its last dive off Blackrock island today, and has left Blacksod bay on board the Irish Lights vessel the Granuaile.

No trace has been found of the two missing crewmen from Rescue 116 after it was lifted from the seabed off Blackrock Island, Co Mayo.

Latest: Searches are to continue for two missing Irish Coast Guard crew members after a major operation to lift their helicopter from the sea failed to locate them.

The focus of the Irish Coast Guard helicopter Rescue 116 search mission off the North Mayo coast has shifted to the recovery of the remaining two missing crew members, writes Evelyn Ring.

The focus of the Irish Coast Guard helicopter Rescue 116 search mission off the North Mayo coast has shifted to the recovery of the remaining two missing crew members.

The black box from Irish Coast Guard helicopter R116 will be given to British experts today in the hope that they will be able to shed light on what caused Rescue 116 to crash off the coast of Co Mayo.

Update 10.30pm: Gardaí have confirmed a body have been discovered on board the wreckage of the Rescue 116 aircraft.

The first dives for the Irish Coast Guard’s missing helicopter, R116, are likely to take place off the Mayo coast this morning.