The Havyard 842 is an anchor handling tug supply (AHTS) surface vessel produced by Havyard Group of Norway. Built at the Cemre Shipyard in Turkey in 2009, the ship’s home port is Stavanger, Norway and it performs a number of North Sea oil production roles.
The Havyard 842 has an overall length of 244 feet, a beam of 56 feet, a maximum draught of 22 feet, 4 inches, and it displaces 2807 metric tons. It has accommodation for up to 30 personnel. It is powered by two Mak 12M32C 12-cylinder diesel engines that each produce up to 7,830 horsepower and drive controllable-pitch propellers. It has one forward thruster, one aft thruster, and one azimuth thruster. Each thruster is 1,184 horsepower, and precision control is via joystick. The ship has a maximum speed of 20 knots (23 miles per hour).