With the YDSA Certifying Authority, you have a choice of Coding Surveyors. Our Coding Surveyors are selected from our membership of experienced Marine Surveyors, meaning they have proven experience in the industry. They are not employees and you are free to choose any YDSA Coding Surveyor from around the UK and overseas.

Coding Surveyors are divided into two levels, according to their qualifications and experience:

  • Level 1: Coding vessels in all categories; carrying 16 or more persons; lifting/towing; carrying more than 1 tonne of cargo; and Pilot Boats.
  • Level 2: Coding vessels up to Category 2 not requiring a Stability Information Booklet.

Full Member (Fellow)

Tonnage Measurer Coding Surveyor Level 1
Jim Abernethy
Murray Cormack Associates
Old Bank House
Innellan
By Dunoon
Argyll and Bute
PA23 7TP
UK
Office:
01475 540202
Mobile:
07771 865617
Fax:
01369 830790
Specialisation:
Yacht Surveyor
Qualifications:
BSc, CEng, MIMarE
Materials:
GRP/FRP, Wood, Steel
Area of Operation:
Scotland

Full Member (Fellow)

Tonnage Measurer Coding Surveyor Level 1 Large Yacht Group
Richard Ayers
Richard Ayers Ltd
Glebe Coach House
Manor Road
Totnes
Devon
TQ9 5HP
UK
Office:
01803 847984
Mobile:
07831 118056
Specialisation:
Insurance claim investigation. YDSA Large Yacht Group
Materials:
GRP/FRP, Wood
Area of Operation:
South West

Full Member (Fellow)

Tonnage Measurer Coding Surveyor Level 1 Stability Book Producer Large Yacht Group
David Cannell
DMC Marine
3 Bawley House
Walter Radcliffe Road
Wivenhoe
Essex
CO7 9FG
UK
Office:
+44 (0)1206 823337
Mobile:
+44 (0)7860 629353
Specialisation:
Design, survey and consultancy – pleasure and commercial vessels up to 160m. Expert determination, expert witness, arbitration/mediation. YDSA Large Yacht Group.
Qualifications:
BSc (Hons), CEng, FRINA, MAE
Materials:
GRP/FRP, Wood, Steel, Aluminium
Area of Operation:
East, Europe, Africa, Asia, Oceania, North America

Full Member (Fellow)

Tonnage Measurer Coding Surveyor Level 1
David Cox
David Cox Marine Surveyors & Consultants Ltd
Halvosso Farm
Mabe
Penryn
Cornwall
TR10 9BY
UK
Office:
01326 340808
Mobile:
07970 444247
Fax:
01326 340808
Specialisation:
Surveying and Consultancy. Claims investigation, Litigation.
Qualifications:
BSc, MSc, MRINA
Materials:
GRP/FRP, Wood, Ferro
Area of Operation:
South West

Full Member (Fellow)

Tonnage Measurer Coding Surveyor Level 1 Large Yacht Group
Bill Dunlop
Marintec
Myrtle Cottage
Ashprington
Totnes
Devon
TQ9 7UL
UK
Office:
01803 732 999
Mobile:
07836 645577
Specialisation:
Fairey Marine, Jack Powles, Nautor ranges. Engineering, systems & electrics. Overseeing construction & trials. YDSA Large Yacht Group
Materials:
GRP/FRP, Wood, Steel, Aluminium
Area of Operation:
South West

Full Member (Fellow)

Tonnage Measurer Coding Surveyor Level 1
Martin Evans

School House
School Lane
Mistley
Manningtree
Essex
CO11 1HN
UK
Office:
07887 724055
Mobile:
07887 724055
Specialisation:
Yachts & small commercial craft
Materials:
GRP/FRP, Wood, Steel, Aluminium, Ferro
Area of Operation:
East

Full Member

Tonnage Measurer Coding Surveyor Level 1 Stability Book Producer
David Greening
David Greening Naval Architect Ltd
Shute Farm House
Higher Batson
Salcombe
Devon
TQ8 8NF
UK
Office:
01548 842000
Mobile:
07831 539470
Fax:
01548 844808
Specialisation:
Yacht surveyors and Naval Architect. Recreational Craft Directive Consultant.
Qualifications:
BEng (Hons), CEng, MRINA
Materials:
GRP/FRP
Area of Operation:
South West

Full Member (Fellow)

Tonnage Measurer Coding Surveyor Level 1
Ray Johnston
RJ Marine Surveys Ltd
Ctra Cadiz, Km 199-29649
Altos Miraflores, Apto 21
Mijas Costa
Malaga
Spain
Office:
01843 621066/67 / 0034 655 255 778
Mobile:
0044 7802 647979
Fax:
01843 852211
Specialisation:
Marine loss adjusters, consultants and surveyors.
Materials:
GRP/FRP, Wood, Steel, Aluminium
Area of Operation:
Spain (inc. Gibraltar), Portugal, France

Full Member (Fellow)

Tonnage Measurer Coding Surveyor Level 1
Ray Johnston
RJ Marine Surveys Ltd
Unit 7 Crossways Business Park
Canterbury Road
St Nicholas at Wade
Kent
CT7 0PQ
UK
Office:
01843 621066/67 / 0034 655 255 778
Mobile:
0044 7802 647979
Fax:
01843 852211
Specialisation:
Marine loss adjusters, consultants and surveyors.
Materials:
GRP/FRP, Wood, Steel, Aluminium
Area of Operation:
South East, France, Portugal, Spain (inc. Gibraltar)

Full Member (Fellow)

Tonnage Measurer Coding Surveyor Level 1 Large Yacht Group
Derek Levy
Spheredawn Ltd
12 Saffrons Road
Eastbourne
BN21 IDU
UK
Office:
01323 654895
Mobile:
07966082326
Specialisation:
Extensive experience of large steel and aluminium vessels. YDSA Large Yacht Group
Qualifications:
BSc, CEng, FIMarEST MIIMS, FRINA, FYDSA
Materials:
GRP/FRP, Wood, Steel, Aluminium
Area of Operation:
South East, France
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