La Grande Dame is a 32.6 m / 107′0″ luxury motor yacht. She was built by De Beer in 1961.
With a beam of 6.25 m and a draft of 2.35 m, she has a steel hull and steel superstructure. This adds up to a gross tonnage of 186 tons.
She is powered by Gardner engines of 320 hp each giving her a maximum speed of 12 knots and a cruising speed of 10 knots. La Grande Dame's maximum range is estimated at 5000 nautical miles.
The motor yacht can accommodate 8 guests in 4 cabins. The yacht was designed by De Beer.