The 80 m (260 ft) superyacht Constellation was launched at the Oceanco yard in Alblasserdam.
The hull is built out of steel while the superstructure is made out of aluminium with teak laid decks.
The yacht is built to ABS classification society rules, issued by Qatar.
With her 275,800 L (72,900 US gal) fuel tanks she has a maximum range of 5,500 nmi (10,200 km) at 12 knots (22 km/h).
The building eventually collapsed and in the process severely damaging, the stored yachts.