Rule No.1 is a 40 m / 131′3″ luxury motor yacht. She was built by Westport in 2010.
With a beam of 7.92 m and a draft of 2 m, she has a GRP hull and GRP superstructure. This adds up to a gross tonnage of 333 tons.
She is powered by MTU engines of 2735 hp each giving her a maximum speed of 22 knots and a cruising speed of 14 knots. Rule No.1's maximum range is estimated at 3000 nautical miles.
The motor yacht can accommodate 10 guests in 5 cabins with an interior design by Destry Darr Designs and an exterior design by Gregory C. Marshall.