- Builder
- Richards Iron Works
- Build year
- 1962
- Previous names
- Aunis, Bettina, Diadem of Patty, Diadem of Dewlish
- Class (source)
- RINA
- LOA (m)
- 29.16
- Beam (m)
- 6.56
- Maximum draught (m)
- 3.26
- Gross tonnage (GT)
- 140
- Build country
- United Kingdom
- Completion date (source)
- 1962-08-01
- Hull type
- Mono hull
- Hull configuration
- Displacement
- Hull materials
- Steel
- Superstructure materials
- Aluminium
- Naval architects
- Laurent Giles Superyacht Architects
- Exterior designers
- Laurent Giles Superyacht Architects
- Maximum speed (source; unit unspecified)
- 13
- Cruising speed (source; unit unspecified)
- 10
- Range (source; unit unspecified)
- 3360
- Fuel capacity (L)
- 13500
- Water capacity (L)
- 10000
- Reported guest count (accommodation unverified)
- 9
- Guest cabins
- 4
- Crew size
- 4
- Crew cabins
- 3
- Flag
- United Kingdom
- Engine manufacturers
- Gardner
- Engine models
- 8L3B
- Engine types
- Diesel
- Engines
- 2
- Engine power (kW, source)
- 172
- Engine power (HP, source)
- 230
- Propulsion
- propellers
- Propulsion count
- 2