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Home Journal Survey Guides What Does a Marine Surveyor Do — and How to Choose One in Indonesia

Survey Guides

What Does a Marine Surveyor Do — and How to Choose One in Indonesia

What a marine surveyor actually does, the four specialisations that matter, and the five questions that separate a genuine independent surveyor from a walkthrough with a template report.

Hero Hull Inspection — independent marine survey, Indonesia
Hero Hull Inspection — documentary reference image, Marine Survey Indonesia
Direct answer

A marine surveyor inspects vessels, cargo and marine equipment and reports condition, damage, quantity or compliance to whoever carries the risk. In Indonesia the role splits into four specialisations — yacht and small craft, commercial hull and machinery, cargo and quantity, and statutory and tonnage — and the wrong specialist produces a report you cannot use.

Ask ten people in an Indonesian port what a marine surveyor does and you will get ten answers, most of them partly right. The confusion costs money, because a buyer who commissions a cargo surveyor to inspect a yacht gets a document that reads competently and answers none of the questions that matter.

The four specialisations

Marine survey specialisations
Specialisation Typical work Who instructs
Yacht and small craft Pre-purchase, condition, insurance survey on leisure and light commercial vessels Buyers, owners, yacht underwriters
Commercial hull and machinery Condition, thickness measurement, damage, pre-docking, new-build stage inspection Owners, charterers, hull underwriters, banks
Cargo and quantity Draft, bunker, cargo condition and outturn, tally, on/off-hire Traders, charterers, receivers, cargo underwriters, terminals
Statutory, class and tonnage Tonnage measurement, class cycle preparation, MARPOL, ISM and ISPS condition, load line Owners, flag applicants, managers

What a surveyor is not

  • Not a class society. Independent surveyors do not issue class certificates.
  • Not a flag authority. Statutory certificates come from the flag or its recognised organisation.
  • Not a mechanic. Machinery is assessed, not overhauled, and opening up is a separate scope.
  • Not a lawyer. A surveyor reports technical fact and opinion; liability is decided elsewhere.
  • Not a valuer of last resort. A supported valuation needs a stated method, not a guess.

Five questions that separate a real surveyor from a walkthrough

  1. Who pays you, and does your fee change if the deal completes? The only acceptable answers are “you” and “no”.
  2. Can I see a redacted sample report? If the answer is no, stop.
  3. What instruments will you use, and will the readings be in the report? Adjectives are not data.
  4. What will not be inspected? A surveyor who cannot answer this quickly has not thought about scope.
  5. How many of this vessel type have you surveyed? Specific numbers, not “many years of experience”.

Frequently asked questions

Do I need a surveyor if the vessel is in class?

Class confirms compliance with the society’s rules at the last survey. It does not tell you condition today, does not cover everything a buyer cares about, and is not a valuation.

Can the broker recommend a surveyor?

They can, and some recommendations are excellent. Appoint and pay the surveyor yourself regardless, and ask directly whether they have a working relationship with that broker.

How long has marine surveying existed as a profession?

Marine survey grew out of marine insurance in the seventeenth and eighteenth centuries. What has changed is instrumentation, not the underlying job: independent eyes on an asset someone is about to take a risk on.