The Dublin-based helicopter went missing off the Mayo coast shortly after 1am on Tuesday.
Latest: The Coast Guard, CHC Ireland and AAIU gave a press briefing at 9am in relation to the Coast Guard helicopter which lost contact early this morning.
What we know so far:
- A search operation is underway for a Coast Guard helicopter
- Contact was lost before 1am this morning
- Last known location is approximately six miles west of Blacksod, Mayo
- One man has been recovered, he is in a critical condition
- Three people are still missing
- Debris has been found
- The director of the Coast Guard said "hope is fading" for the missing crew members