Communication | NavXSim Product

Communicate. Anytime.
Anywhere.

Full GMDSS on any mobile device or tablet. Real voice communication over any channel. Practice distress, urgency, and safety procedures without hardware โ€” train on vessel, ashore, or in remote locations.

Product Overview

What is GMDSS SIM?

NavXSim's GMDSS SIM delivers a complete Global Maritime Distress and Safety System simulation on any iOS or Android device. Trainees practice all GMDSS procedures โ€” distress alerts, urgency messages, routine communication, and DSC operations โ€” with real voice audio over simulated channels. No hardware simulator required. No internet after installation.

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Full GMDSS on Any Device

Complete distress, safety, and calling on CH16 and all VHF channels. Works on any iOS or Android mobile or tablet.

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Real Voice Communication

Practice actual radio procedures with real voice audio. Distress calls, pan-pan, and securite messages with correct protocols.

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Train Anywhere

No simulator hardware required. Train on vessel, ashore, or in remote locations. No internet needed after app installation.

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Compliance Tracking

Full training log. Channel usage, call procedures, response times all recorded and assessed against STCW GMDSS standards.

GMDSS SIM

Full GMDSS ยท CH16 ยท Distress ยท Urgency ยท Safety ยท Routine

CH16
Full Channel Coverage
100%
GMDSS Compliant
0
Hardware Required
0
Internet Required
Inside the Station

One Station. Every GMDSS System.

GMDSS equipment grid with 15 integrated communication and safety systems

15 Integrated Communication & Safety Systems

A complete GMDSS training station integrating 15 communication and safety systems, including VHF/MF-HF DSC, Inmarsat-C, FleetBroadband, Iridium, NAVTEX, EPIRB, SART, SSAS, LRIT, a distress alarm panel, and Aero VHF.

Integrated bridge navigation with radar, chart, AIS and GPS

Bridge Navigation Fully Integrated

Bridge navigation equipment โ€” including radar/ARPA, ECDIS, AIS, and GPS โ€” is integrated into the same training environment, enabling trainees to manage communications and navigation within a realistic operational scenario.

Trainee using an Aero VHF handset for live voice communication

Realistic Voice, DSC & Distress Communications

Trainees can perform distress, urgency, safety, and routine communications, including DSC alerting and acknowledgement, satellite messaging, NAVTEX/EGC safety information, and live voice communication. Communication range is realistically modelled by equipment and propagation conditions, ensuring out-of-range stations cannot communicate.

Instructor exercise control panel for a networked classroom

Networked Instructor Control & Automatic Logging

The instructor can control vessels, positions, courses, speeds, exercise timing, and equipment faults across a networked classroom. Every communication and alert is automatically recorded with station, equipment, frequency, and time, supporting replay, assessment, and competency-based scoring.

Key Capabilities

Everything Trainees and Instructors Need

15 GMDSS systemsVHF/MF-HF DSCSatellite communicationsNAVTEX/EGCEPIRB & SARTSSAS/LRITLive voiceIntegrated bridge equipmentRealistic communication rangesNetworked instructor controlFault injectionAutomatic recording & assessmentSTCW/IMO alignedDNV-ST-0033 ready
How It Works

From Setup to Real Results

01

Install & Configure

Install on any iOS or Android device. Configure vessel MMSI, vessel name, and regional frequency settings. Works offline instantly.

02

Practice All Procedures

Trainee practices distress alerts, urgency pan-pan, safety securite, and routine calling procedures with full voice simulation.

03

Assess & Certify

Training log reviewed. All procedures scored against STCW requirements. Certificate of competency report generated.

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Ready to Deploy GMDSS Training at Scale?

Book a demo and see how GMDSS SIM delivers certification anywhere โ€” no hardware, no internet required.

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