The 58.5 m motor yacht PHI, developed and built to stay below 500 GT. The PHI is by far the longest motor yacht worldwide in this category. The PHI was built in 2021 by Royal Huisman. In addition to many other subcontractors, Piet Brouwer Elektrotechniek carried out the electrical work on this impressive motor yacht.
| Type Motor yacht | “Fast Displacement XL® by Van Oossanen“ |
| Exterior design | Cor D. Rover |
| Interior design | Lawson Robb |
| Architect | Van Oossanen Naval Architects |
| Length | 58.5 m / 192 ft |
| Project management/representative of owner | Guy Booth |
| Completion | 2021 |
| Gross Tonnage | Less than 500 GT |
| Speed | About 22 knots |
| Hull and superstructure | Aluminum |
| Classification | American Bureau of Shipping (ABS) – MCA |
| Year of construction | 2021 |
