The independent yacht expert for your boat, yacht, ship, sloop or any other vessel, your HISWA expert for boat inspections, appraisals and purchase guidance

Complete pre-purchase inspection

Pre-purchase inspection

This is a very extensive purchase inspection, and assesses everything that can be assessed on a boat. If you wish, Hendrik Jan will also take the internal state of the engine with you, for example by means of a lubricating oil analysis.

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Boat inspection including oil analysis

Engine Inspection

When you purchase a boat or a yacht, you naturally want to know how the powertrain is doing. But even if the vessel has been in your possession for a longer time, it may be necessary to have the propulsion properly assessed.

Read more about motor inspection

Osmosis with polyester boats

Osmosis Research

Osmosis is a common problem that occurs with older but also with newer polyester boats, ships and yachts. Do you also want to know more about osmosis on your boat?

Read more about osmosis research


At you are in the right place for all your maritime affairs. From purchase guidance to maritime mediation and from complete boat inspection to gas inspection, Ing. Hendrik Jan Musch has the right international expertise.

Jachtexpert HJ Musch is HISWA Qualified Yacht Surveyor
NVEP Qualified Surveyor
Jachtexpert HJ Musch is EMCI Full Certified Yacht Surveyor
Jachtexpert HJ Musch is International ADR Mediator
information about Ing. Hendrik Jan Musch


Hendrik Jan Musch is the founder and expert of the company. He is a fanatic water sportsman, who was inspired by the love of water and boats. As a little boy he was already a lot on the water. Hendrik Jan has built up the broad technical knowledge required for the profession of yacht expert during many years. Hendrik Jan specializes in engines and drives because, in addition to training as a yacht expert, he worked for 20 years as a teacher in motor vehicle technology.

Different types of boat inspections

Type of yacht inspections

To be sure that the promotions of your new purchase are based on truth, it is wise to call in a shipping expert. Hendrik Jan Musch is such an expert.

Hendrik Jan carries out a suitable purchase inspection in consultation, which gives you the assurance that the intended purchase is actually the right one for you.

More information about various yacht inspections

Value assessment or damage assessment

Valuation of your yacht

The correct valuation of a boat can be important for countless reasons. One of these reasons is the purchase. No matter how good the ship you have in mind may seem, you don’t want to be a thief of your own wallet. Another important reason can also be the value to be insured. Thanks to thorough knowledge of the current market, an independent expert can advise you well …

More information about appraisals

Together we come from every situation

Mediation by Jachtexpert

Mediation is a form of mediation intended for people who are involved in a conflict and need an impartial conflict mediator. This “mediator” can take a new or different look at the conflict from a neutral position, without the need for lengthy and costly legal action.

More information about mediation

Waarom HJ Musch inschakelen


You have found the boat of your dreams, exactly what you were looking for! Yet you doubt. After all, purchasing a vessel is a big step. Moreover, is this ship as reliable as the seller suggests?

What about the drive and the hull? Is the woodwork not rotten under that beautiful lacquer layer? In short: are there any hidden defects? And how do you find it?

An independent yacht expert or judge can answer these questions and more. You do not have to wait until the very last stage of the purchase before you hire an expert. When you seek the opinion and advice of a professional early in the process, you are relieved of your doubts and you know what to expect when it comes to maintenance and repairs. Then you can purchase your dream ship with confidence, or decide to look further.

Please contact

For a complete boat inspection or purchase guidance

Please contact us. If only for a simple question about your boat or pleasure yacht. is at your service!