I know there is a lot of interest in Irish Sea naval matters among members so thought this (https://www.academia.edu/33635015/The_Naval_Power_of_Norse_Dublin._In_Clerics_kings_and_Vikings_essays_on_medieval_Ireland_in_honour_of_Donnchadh_%C3%93_Corr%C3%A1in_Dublin_Four_Courts_Press_2015_67-78) might be of interest
Interesting, thanks, Anthony.