Frequently asked VTS questions

Below are several frequently asked questions about VTS per subject. In case your question is not listed feel free to contact us.


How do I become a VTS operator?

The participants of NNVO themselves recruit the candidates who are then trained by NNVO. Most participants select people with a nautical background. There are continuous vacancies that can be found on the websites of the participants below.

Course material

How can I report an inaccuracy or lack of detail in the course material?

Have you found an inaccuracy in the course material? Please report this to us by email: , with reference to the text in the competence, page number and name of the competence.

You can also send us a letter. In that case please enclose a copy of the material that needs to be looked at.

Our address:
NNVO Foundation
Schorpioenstraat 61
3067 GG Rotterdam

Illness, traffic congestion or other issues

Where can I report a message?

If you are ill or if you are late please contact NNVO as soon as possible via telephone number +31104090040.


Where can I lodge my complaint about a module or a trainer?

Please send us your complaints by email. You can use the following email address: , and write ‘Complaint’ in the subject line. We take your complaint seriously.

If you are experiencing bullying, discrimination, sexual harassment or intimidation, you can submit your complaint to the Dutch national education complaints committee, in Dutch: Landelijke Klachtencommissie Onderwijs (LKC). This committee works completely independent of NNVO.

Practical information

How do I get to NNVO?

NNVO is located in office building De Ster at Schorpioenstraat 61 in Rotterdam. Our office building is easily accessible by car and by public transport. It is only a few minutes’ walk from NS intercity and subway station Rotterdam Alexander to NNVO. Check the contact page for our location on Google Maps. 

NNVO en TinQwise winnen twee Learning Technologies Awards

NNVO en TinQwise zijn op woensdagavond 16 november in de prijzen gevallen tijdens de uitreiking van de Learning Technologies Awards 2022 in Londen. Met e-learning Poseidon zijn we Gold Winners geworden in de categorieën ‘Best use of simulations or virtual environments for learning’ en ‘Excellence in the design of learning content’.

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Achter de schermen bij Anita Scheurwater

In deze nieuwe rubriek bezoeken we een van de vaarwegbeheerders in het land en laten we een nautisch operator aan het woord. Anita Scheurwater (28) geeft een inkijkje in haar baan als brug- en sluisoperator bij de Volkeraksluizen in Willemstad.

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Nieuwe algemene voorwaarden

NNVO publiceert vandaag nieuwe algemene voorwaarden voor zakelijke klanten. De nieuwe voorwaarden vervangen de huidige leveringsvoorwaarden. Deze waren verouderd en sloten niet goed meer aan bij de werkwijze van NNVO.

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Do you have questions?

Do you have questions, comments, suggestions or other matters you would like to raise? Then use our contact form. Naturally, all information that's being sent to NNVO will be treated confidentially.

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Contact with NNVO

Marten Meesweg 115
3068 AV Rotterdam

For questions or more information:

Opening hours
From Monday to Friday:
08:00-17:00 hrs



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