Organ donation, Liffey Swim and first sitting of the Dáil will also be marked

Interim report into fatal crash identifies weaknesses in flight safety systems

How four Coast Guard crew lost their lives off the Mayo coast and what happened since

Misogyny very strong in the Church despite the PR words involved, says Fr Kevin Hegarty

Congregation of 300, including close relatives, friends and colleagues of the air crew, attend ceremony

‘Miles in their Memory’ event in Mayo marks loss of four Coast Guard air crew

Life is still on hold for many, and questions remain, a year after the helicopter crew’s loss

North Mayo coroner hopes to issue death certificates before adjourning inquests

Irish and international stars of film, music, politics, sport and real life who left us this year

News review of the year: Border issues, the Garda whistleblower scandal, property prices, the Paradise Papers, Storm Ophelia and the Rescue 116 tragedy were some of the big stories of 2017

Regulator admits lighthouses mislocated and symbols obscured on maps

Items discovered on Mayo beach at weekend belonged to winchman who is still missing

Irish Coast Guard airmen are still missing after Rescue 116 crash in March

Memorial for the Irish Coast Guard air crew takes place in Co Cavan on Friday

My aim is to visit lighthouses and lifeboat stations, but my goal is to raise funds for RNLI

Garda superintendent says ‘we have covered everything we aimed to’

Garda says good weather allowing exploring of ‘pockets that may have been missed’

Brian Conville and Joseph Gagnon winched to safety 165 miles off west Cork coast

Helicopter winch crewmen Paul Ormsby and Ciarán Smith now missing four months

‘Prime Time’ report raises questions over authority’s role in relation to terrain data

Hundreds attend memorial service for winch-operator Paul Ormsby in Dublin

Obituary: Daithí Ó Cearbhalláin – Born: January 3rd, 1964 – Died: March 8th, 2017

Hundreds of mourners attend memorial service for Ciarán Smith in north Dublin

Annual report says 12 voluntary teams participated in 405 emergency call-outs last year

Club divers join Naval Service and Garda water units at Blackrock island, off the Mayo coast

Sea has yet to give up bodies from ‘Pere Charles’ and ‘Carrickatine’

Two-day search of north Mayo’s Blackrock island taking place for two missing airmen

International aviation and EU rules do not ban inclusion of cockpit voice recordings of final moments from investigation reports

Capt Dara Fitzpatrick expressed belief in cockpit that Blackrock a ‘small little island’

Air Corps among Rising parade’s highlights, but struggling with budget cuts

Crew would have had less than a minute to recognise Black Rock island

The aim of the Air Accident Investigation Unit report is not to apportion blame

Could lives have been saved at Blacksod Bay if technology had been working properly?

Official says there is ‘no scaling back’ of the recovery effort as more debris is found

Sea search fans out from Blackrock island after appeal by Ciarán Smith’s sister Orla

Dozens of fishing boats to join effort to find winchmen Ciarán Smith and Paul Ormsby

‘Granuaile’ also back at Irish Coast Guard helicopter crash site as fishing vessels prepare to join sea search

Vessels responding to appeal by Orla Smith, sister of missing winchman Ciarán Smith

Large section of engine, rotor head and gear box taken to accident investigation facility

Only experienced seafarers wanted for weekend search by fishing fleets