Lady J is a 43.28 m / 142′0″ luxury motor yacht. She was built by Palmer Johnson in 1997.         
With a beam of 7.62 m and a draft of 2 m, she has an aluminium hull and aluminium superstructure. This adds up to a gross tonnage of 389 tons.    
She is powered by Detroit engines  of 1800 hp each giving her a maximum speed of 19 knots and a cruising speed of 16 knots. Lady J's maximum range is estimated at 3100 nautical miles.  
The motor yacht can accommodate 10 guests in 5 cabins with an interior design by Terence Disdale and an exterior design by Tom Fexas.