Lloyds 5 Year class survey just completed (April22) - Ngoni presents like a new yacht throughout. The stunning 58 metre (190ft) sloop Ngoni is for sale. A truly awe inspiring yacht; this mega sloop was built by Royal Huisman, designed by Ed Dubois and launched in 2017. Ngoni is one of the the worlds most striking and innovative yachts ever built. With her lifting keel down (8.1m/26ft) this yacht is fast and rewarding to sail.