Amadeus is a 70 m / 229′8″ luxury motor yacht. She was built by Jadewerft in 1969.
With a beam of 11.5 m and a draft of 4.2 m, she has a steel hull and steel superstructure. This adds up to a gross tonnage of 1622 tons.
She is powered by Caterpillar engines of 1875 hp each giving her a maximum speed of 16 knots and a cruising speed of 13.5 knots. Amadeus's maximum range is estimated at 9500 nautical miles.
The motor yacht can accommodate 14 guests in 7 cabins with an interior design by Francois Zuretti and an exterior design by Reymond Langton.