It will also design the 42-metre vessels, it said.
They will come with IMO Tier 2-compliant main engines, with a top speed of above 26 knots.
The ships will seat 31 offshore workers and have a 100-square-metre cargo area on deck.
FNSA is a subsidiary of Fujairah National Group and has been owned by Sheikh Saleh Bin Mohammed Al Sharqi since 1982.
