OUR SERVICES
GMDSS Radio Survey
The Global Maritime Distress and Safety System (GMDSS) is an international standard designed to ensure safety of life at sea through reliable and continuous maritime communication. As part of this system, vessels are required to undergo periodic inspections to verify the proper operation, condition, and certification of their radio and communication equipment.
At RTM (Radio Tech Marine), we provide Authorized GMDSS Radio Survey services. Our certified technicians and experienced marine electronics engineers perform detailed inspections, functional testing, and full compliance verification in accordance with IMO and classification society requirements.
Scope of Survey
Our GMDSS Radio Survey service includes:
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Functional testing of all GMDSS equipment
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Testing of EPIRB, SART, and handheld VHF units
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MF/HF and VHF DSC testing
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NAVTEX, AIS, and Inmarsat system verification
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Power supply and battery performance tests
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Antenna and cabling inspection
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Alarm and emergency procedure verification
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Test calls and logbook checks
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Survey report and certification issuance
Why Choose RTM?
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Full compliance with IMO and class regulations
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Fast attendance and timely certification
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Access to original spare parts and technical support
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Field-experienced and certified technical team
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Transparent reporting and reliable survey results​
Ensuring the proper operation of GMDSS equipment is not only a regulatory requirement —
it is the foundation of safe communication at sea.
At RTM, we deliver accurate, compliant, and reliable survey services to keep your vessel fully operational and prepared for every voyage.
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Safety at sea begins with reliable communication.
VDR / S-VDR Annual Survey
The Voyage Data Recorder (VDR) is a critical safety system designed to record essential vessel data, supporting safe navigation and providing accurate information for incident investigation. IMO and classification societies require all VDR and S-VDR units to undergo periodic inspection and annual performance testing to ensure proper operation and data integrity.
At RTM (Radio Tech Marine), we carry out VDR and S-VDR annual surveys and performance tests. Our certified engineers verify system functionality, data integrity, and regulatory compliance, perform necessary maintenance, and complete all certification procedures.
Scope of Survey
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Functional testing of recording systems
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Verification of audio, radar, AIS, GPS, gyro and alarm recording
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Microphone tests and bridge audio verification
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UPS and power supply testing
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Data download, verification, and backup
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Sensor signal and cabling inspection
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Software and firmware check
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Survey reporting and certification issuance
Why Choose RTM?
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Full compliance with IMO and class requirements
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Certified and experienced technical experts
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Focus on data accuracy and safety
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Fast attendance and clear documentation
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Original spare parts and technical support
We ensure that your VDR system meets operational, regulatory, and safety expectations with precision and reliability.
Safe navigation depends on accurate data and trustworthy technical service.
ECDIS INSTALLATION AND MAINTENANCE
The Electronic Chart Display and Information System (ECDIS) is a key element of modern bridge navigation safety. A properly installed and fully updated ECDIS system ensures reliable situational awareness and supports safe, compliant voyage execution.
At RTM (Radio Tech Marine), we provide ECDIS installation, integration, updating, and scheduled maintenance services. Our team ensures that bridge equipment, sensor inputs, data sources, and backup systems are configured in full accordance with international maritime requirements.
Service Scope
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Hardware and software installation & licensing
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ENC database loading and updates (IHO/SOLAS compliant)
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Integration with Radar, AIS, GPS, Gyro, and speed log
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Verification of sensor signals and alarms
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Backup ECDIS and power supply check
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Data backup, recording, and log configuration
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Software updates & performance optimization
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ECDIS user training (onboard training optional)
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Commissioning documentation and test reports
Why RTM?
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IMO and IHO compliance at every step
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Certified and field-experienced engineers
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Efficient installation, ready-to-operate delivery
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Genuine licensing, charts, and technical support
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Reliable, transparent, and precise service execution
With RTM, your ECDIS is not only installed — it is properly configured, fully updated, and ready for safe navigation. We ensure technical accuracy, secure integration, and proven operational reliability.
Safe navigation begins with a correctly installed and fully updated ECDIS system.
IT Services, Starlink and Camera Installation
Modern maritime operations require reliable digital infrastructure, uninterrupted internet connectivity, and advanced onboard security systems. At RTM (Radio Tech Marine), we provide professional IT infrastructure installation, Starlink Maritime integration, and CCTV/security system deployment for vessels.
We design, install, and maintain shipboard communication and data networks in full compliance with international standards, ensuring secure and stable onboard connectivity.
Service Scope
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Shipboard IT network installation and configuration
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Starlink Maritime terminal installation and network integration
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WAN / LAN setup and Wi-Fi coverage optimization
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Firewall, network security, and access control
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CCTV installation, monitoring and recording solutions
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Structured cabling, rack cabinet and hardware installation
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Router, switch and IP phone system configuration
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Remote technical support and scheduled maintenance
Why RTM?
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Specialized team in maritime IT and electronics
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Secure, stable and performance-focused network design
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Proven expertise in Starlink Maritime integration
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Fast response and minimal operational interruption
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Full documentation, commissioning reports and support
We deliver tailored network and communication solutions for each vessel, ensuring safe, stable and continuous connectivity at sea.
Reliable connectivity and secure onboard networks begin with proper installation and expert maintenance.
GYRO COMPASS REPAIR AND ANNUAL MAINTENANCE
​The gyro compass is a critical component of ship navigation. A malfunctioning gyro can compromise navigational safety and operational accuracy.
At RTM (Radio Tech Marine), we provide professional gyro compass repair and annual maintenance services. Our certified technicians perform precise calibration, test electronic and mechanical components, and ensure compliance with international standards.
Service Scope
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Gyro compass repair and fault diagnostics
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Electronic and mechanical component testing
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Annual maintenance and performance verification
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Calibration and accuracy testing
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Gyro sensor and cabling inspection
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Replacement of parts and necessary updates
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Reporting and certification
Why RTM?
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Certified and experienced technical team
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Full compliance with IMO and international classification requirements
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Fast, reliable repair ensuring operational continuity
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Supply of original spare parts and on-site technical support
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Transparent reporting and long-term reliability
With RTM, your gyro compass is always accurate, safe, and operationally ready.
Correct heading starts with safe navigation.
BRIDGE EQUIPMENT REPAIR AND MAINTEANACE
Bridge navigation and communication systems are essential for safe vessel operation and regulatory compliance. Equipment such as radar, ECDIS, AIS, gyro compass, autopilot and GMDSS units must perform flawlessly to ensure accurate navigation and timely decision-making.
At RTM (Radio Tech Marine), we provide professional bridge equipment repair, diagnostics, and maintenance services. Our certified engineers ensure all bridge systems are reliable, accurate, and compliant with international standards.
Service Scope
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Fault diagnostics and professional repair
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Maintenance of Radar, ECDIS, AIS, Gyro, Autopilot, GPS, etc.
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Software and chart updates
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Sensor & antenna inspections
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Cable and interface checks
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System integration and performance testing
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Spare part supply and installation
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Detailed maintenance reporting and certification
Why Choose RTM?
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Certified engineers and trained technicians
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Compliance with IMO & classification society requirements
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Fast, precise, and reliable service
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Original spare parts and technical consultancy
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Transparent reports and long-term support
RTM ensures your bridge equipment operates with maximum reliability, accuracy, and efficiency.
When systems work flawlessly, navigation remains safe.