Island said it has “lifted the remaining subjects” in its contract with Kawasaki for delivery of Island Navigator, a combined intervention and tophole-drilling vessel.

The ice-class, Rolls-Royce-designed unit has been in development for three years, ­Island said.

It will be equipped to handle a variety of subsea operations, including tophole drilling, light well intervention, subsea construction and inspection and maintenance and repair work.

“This