nautic.lu Luxembourg · Maritime Solutions
Radio assistant · Moselle · CORVNI

Say what is going on

The assistant builds the correct radio message from it — with your boat name, your position and the right channel. Runs in the browser, offline too.

Your boat

Enter it once and it appears in every message. Stays on this device, goes to no server.

Luxembourg call signs are two letters and four digits. Luxembourg ATIS codes start with 9253.

Where are you?

What is happening?

or pick directly

Emergency

Technical failure

Lock and bridge

Traffic and safety

Harbour

Radio operation

Standard phrases

The wordings from the Radiotelephony Guide for Inland Navigation, regional part Rhine and Moselle. Tap a phrase to copy it.

Manoeuvring

Entering and leaving

Overtaking

Meeting

Radar navigation and poor visibility

Failures and accidents

How the assistant works

The assistant invents nothing. It assembles messages according to the schema in the Radiotelephony Guide for Inland Navigation: call, identification, position, message. The procedure words MAYDAY, PAN PAN, SECURITE, THIS IS, MAYDAY RELAY, SILENCE MAYDAY, RECEIVED and SILENCE FINI are never translated — for THIS IS, “HIER IST” and “ICI” are expressly permitted.

OVER, OUT and RECEIVED as everyday practice are not defined as such in the inland waterway rules. They are common and expected usage, not prescribed wording — which is why they are greyed here.

The language follows the country of the station you call: § 4.05 of the Moselle police regulation and the ILR CORVNI question catalogue say the same thing. That is why the assistant switches to French automatically at a French lock.

VHF radio — VHF on board

In a real emergency your judgement decides. This assistant is a study and memory aid, not an official regulation and no substitute for a certificate. In an emergency what counts is that you transmit at all — better imperfect and now than perfect and too late. Everything on nautic.lu is and remains free.
Updated: 2026-08-23

Something to offer? Boat, mooring or rental — free, no account, two minutes to fill in. Usually live within a day.

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