Project Diana, hull YN 21455, is a 55-metre Heesen motor yacht under construction at the yard’s facilities in Oss, Netherlands.
The project uses Heesen’s steel Fast Displacement Hull Form with an aluminium superstructure. Official specifications give a beam of 9.6 metres and an enclosed volume of approximately 760 GT. Delivery is scheduled for Q2 2027.
| Project name | Project Diana |
|---|---|
| Hull number | YN 21455 |
| Current status | Construction started |
| Construction yard | Heesen, Oss, Netherlands |
| Expected delivery | Q2 2027 |
| Latest verified update | July 2, 2026 |
Project Diana is under construction at Heesen’s Oss shipyard. The current official programme schedules delivery for Q2 2027.
Primary image
Project Diana YN 21455 - official Heesen image
Credit: Heesen Yachts
| Builder | Heesen Yachts |
|---|---|
| Type | Motor yacht |
| Status | Unknown |
| Country | Netherlands |
| Length | 55.00 m |
|---|---|
| Beam | 9.60 m |
| Construction | Steel FDHF hull, aluminium superstructure |