1. YACHTS

2. Yacht ? Limited number of passengers
Private - commercial (e.g. charter)
SOLAS exempted (normally)

3. DNV HSLC Rules - Notation Yacht
Objective:
level of safety as for commercial passenger service
LC:   (0,13 ·L·B)1,5
HS: V  7,16  0,1667 &  25 knots
Service restr.: R0, R1, R2, R3, R4
Yacht: Requirements given in Pt. 5 Ch. 5 
 1A1 HSLC Yacht R...
 1A1 LC Yacht R...

4. Development - DNV Yacht Rules
To cover all types of vessels: HSLC (motor and sail) and steel ships
Objective:
level of safety level as for commercial passenger service
Safety Principles (ongoing)
Technical rule requirements:

5. DNV HSLC Rules - Notation Yacht
Differences from HSLC basic Class:
Not for commercial operation, but charter included
Reduced minimum thicknesses may be accepted
Requirements to sill heights may be reduced based on special consideration
Reduced number of deadlights
Reduced weight of anchoring equipment
Reduced requirements to certification of machinery components
Different requirements to fire prevention, detection and fighting

6. Lloyd’s List

7. DNV experience - Motor vessels
Speed 15  70 knots
Length 18  76 m
Steel
Aluminium
Carbon/glass/aramid fibre reinforced plastics

8. DNV experience - Sailing vessels
Monohulls
Catamarans
Length 20  75 m
Carbon/glass/aramid fibre reinforced plastics

9. Projects in progress – Motor.
Pr. December 2002

10. Projects in progress – Sail.
Pr. December 2002

11. Projects in progress Mirabella V LOA 75.2 m Beam 14.8 m
Draft 10.0 m (keel down)
Displ. 700 tonnes
Sail Area m2
Designer Ron Holland Design
Builder Vosper Thornycroft
Composite Engineering by High Modulus
Class: 1A1 LC Yacht R0 E0

12. Yachts in operation – HSLC Yacht

13. Yachts in operation - Typecode Yacht

14. Sailyachts - Rule proposal
Consider especially:
- rig attachments (mast step, stays etc.)
- rig loads on hull (hull bending etc.)
- keel and keel attachment
Status:
On external hearing.
Planned completed 2002.

15. Why chose DNV Ensures adequate safety level for persons on-board
Reduces project risk - third party verification of delivery
Expertise in lightweight construction - design and manufacture
Expertise in FRP and steel/alum. construction
Efficient approval process
World wide presence
Extensive consulting services
Extensive statutory experience

16. Statutory certificates
Requirements to statutory certificates depends on:
type of operation (commercial/private)
size
flag
Will have effect on vessel design
Must be known at specification stage

17. Statutory certificates - “Normal” yachts
Tonnage
Load Line
MCA (Marine and Coastguard Agency, UK)

18. Statutory certificates - “Large” yachts
Tonnage
Load Line
MCA (Marine and Coastguard Agency, UK)
Safety construction
Safety equipment
Safety radio
Safe manning
Oil pollution prevention
ISM

19. Consulting services DAP - Design Approval Preview
SDR - Structural Design Review
MDA - Main Drawing Approval
Finite element analysis
Hull statement of compliance
Hull survey

20. Consulting services Direct load analysis Slamming response
Structural response
Noise & vibration calculation

21. Future requirements
MCA: “MCA Code of Practice for Safety of Large Commercial Sailing and Motor Yachts” New revision planned finished 2003

22. DNV Composite (FPR) Rules
Complete update to cover state of the art for composite materials
- design methods
- manufacturing methods
- materials
- testing