Impromptu II is a 25.6 m Motor Yacht, built in the United Kingdom by Princess and delivered in 2006. She is the only Viking 84 model.
Her top speed is 28.0 kn and she boasts a maximum range of 3816.0 nm when navigating at cruising speed, with power coming from two Caterpillar diesel engines. She can accommodate up to 8 guests in 4 staterooms, with 3 crew members waiting on their every need. She has a gross tonnage of 118.0 GT and a 6.2 m beam.
She was designed by Viking, who also completed the naval architecture and designed the interior. Viking has designed 135 yachts, created the naval architecture for 135 yachts, and designed the interior of 133 yachts for yachts above 24 metres.
Impromptu II is in the top 30% by speed in the world. She is one of 6003 motor yachts in the 24-30m size range, and, compared to similarly sized motor yachts, her top speed is 1.5 kn above the average, and her volume 4.83 GT above the average.
Impromptu II is registered under the United States of America flag, the most popular flag state for superyachts with a total of 1999 yachts registered