Despite difficulties in sea search around blackrock island, search is underway along the coast for missing crew members of rescue 116 with multi-agencies and volunteers.
Sea scan is not taking place now until Sunday from 12-3pm, as bad weather is hampering the sea search.
AAIU Inspectors found a section of missing helicopter on the island yesterday afternoon.
They spent 90 minutes on the island yesterday contending with difficult weather conditions.
The air corps brought them out and debris was found close to the lighthouse.
Chief Inspector with the AAIU Jurgen Whyte said no impact mark of significance was found on the lighthouse itself.
Heavy swells have been impeding further underwater searches.