More from that report...
A preliminary report into downed Rescue 116 has revealed the coastguard helicopter 'pitched up rapidly' in its final seconds.The report also revealed that the helicopter's on board warning system did not have data related to Blackrock island.An obstacle data base on their system did not list the lighthouse on Blackrock, and the terrain database did not have information on the terrain on the island.
Audio data revealed Captain Dara Fitzpatrick and co-pilot Mark Duffy had discussed earlier in the flight that it had been a long time since either had visited the island.