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   Yachts : North America      732-269-6543      Mega Yachts : World Wide

          Master Marine Surveyor

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Combustion Gas Leak Detection

Cylinder Compression Testing (Gas)

Cylinder Compression Testing (Diesel)

Cylinder Leak-Down Testing

Diesel Engine Run-Up

EFI Performance Testing

Engine Hour Interrogation

High Performance Boats

Machinery Failure Analysis

Marine Corrosion Survey

New Construction Survey

Non Destructive Testing

Out Drive Pressure Testing

Repair Survey

Spectrometric Fluid Analysis


Types of Marine Surveys

All Marine surveys are conducted following USCG, ABYC, and NFPA standards.

Our marine surveys are accepted by All Banks and Insurance companies

MY Mission:

To present a complete and unbiased marine survey.

A Marine surveyor is a trained professional who acts as your eyes and ears in any assessment or investigation situation. Someone who makes sure accurate information is gathered correctly and impartially.

MY Profile

John Zahn - MMS - CMS - SA

Master Marine Surveyor / USSA

Certified Marine Surveyor and Appraiser / GAAMS

Surveyor Associate / ACMS

USCG Fishing Vessel Examiner


Approved Boat US Surveyor

ASE Certified / Master Technician / All Categories / Expired

    40 years in, on and under vessels of all types

    20 years in the industry, specializing in diagnostics and repair of :

            Gas & Diesel Engines    Electronic Fuel Injection

                Transmissions & Outdrives    Cooling & Exhaust Systems

                    Refrigeration    Marine A/C    Composite & Alloy Construction  

High Performance Boat Specialist

Watch the new construction video

Memberships / Current and Expired

United States Surveyors Association  (USSA)

Association of Certified Marine Surveyors (ACMS)

Global Association of Appraisers and Marine Surveyors  (GAAMS)

American Boat and Yacht Council (ABYC)

National Fire Protection Association (NFPA)

Marine Trades Association of New Jersey (MTA/NJ)

BoatUS Technical Exchange ( Contributing member )

Society of Boat and Yacht Designers


Contact Information

Telephone: 732-269-6543                   Office Location:  Toms River, NJ             

Clients     Photos of Recent Surveys     Links   Boat Manufacturers

      National Fire Protection Association           


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