Headway SVDR HMT-105 Simplified Voyage Data Recorder (S-VDR)

Complete Technical Overview, Features, Components, Troubleshooting & Maintenance Guide

Manufacturer

Headway Technology Group

Country of Origin

China

Product Type

Simplified Voyage Data Recorder (S-VDR)

Marine Application

Voyage Data Recording, Incident Investigation, Navigation Safety Monitoring, IMO Compliance, Fleet Safety Management

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Product Introduction

The Headway SVDR HMT-105 is a professional Simplified Voyage Data Recorder (S-VDR) system designed for commercial vessels that require reliable voyage data recording in accordance with international maritime safety regulations.

The system continuously records critical navigation and operational information from onboard equipment, allowing ship operators, investigators, and maritime authorities to analyze vessel performance and reconstruct events following marine incidents.

The Headway HMT-105 is commonly installed onboard:

• Cargo Ships
• Bulk Carriers
• Container Vessels
• Tankers
• Offshore Support Vessels
• Passenger Ships
• Coastal Trading Vessels

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Headway SVDR HMT-105 Main System

(Use Your Original Product Image Here)

The image above shows the main Headway HMT-105 recording cabinet, power supply unit, remote alarm panel, float-free capsule interface, and associated recording modules.

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What Is a Simplified Voyage Data Recorder (S-VDR)?

An S-VDR is a marine safety system that continuously collects and stores information from various navigation and communication systems onboard a vessel.

The primary purpose is to preserve essential voyage information for:

• Accident Investigation
• Collision Analysis
• Grounding Investigation
• Safety Improvement
• Regulatory Compliance
• Operational Review

Unlike a full VDR, an S-VDR is optimized for vessels where simplified recording requirements are permitted under IMO regulations.

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Typical Headway S-VDR Equipment

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Main Features

Continuous Voyage Data Recording

Records critical operational information 24 hours a day.

IMO Compliance

Designed to meet applicable IMO voyage data recording requirements.

Navigation Equipment Integration

Interfaces with:

• GPS
• AIS
• Radar
• ECDIS
• Gyro Compass
• Speed Log
• Echo Sounder
• VHF Communication Systems

Audio Recording

Records bridge communications through dedicated microphones.

Protected Data Storage

Stores voyage information securely for future retrieval.

Float-Free Capsule Support

Provides emergency data preservation capability.

Alarm Monitoring

Monitors recording status and system health continuously.

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Headway S-VDR System Architecture

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Main Components

1. Main Cabinet Unit

The central processing and recording section of the system.

Functions:

• Data Collection
• Data Processing
• Data Storage
• Alarm Management

2. Power Supply Unit

Provides regulated power and backup support.

3. Remote Alarm Panel

Installed on the bridge for monitoring system condition and alarms.

4. Float-Free Data Capsule

Protects voyage information during severe marine casualties.

5. Bridge Microphones

Capture bridge audio and communication events.

6. Junction Box & Interface Modules

Receive information from connected navigation equipment.

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Headway Recording Components

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Marine Applications

The Headway HMT-105 S-VDR is widely used onboard:

• Cargo Ships
• Bulk Carriers
• Oil Tankers
• Chemical Tankers
• Offshore Vessels
• Passenger Ferries
• Coastal Trading Ships
• Research Vessels

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Common Problems & Troubleshooting

Recording Failure Alarm

Possible Causes:

• Hard Disk Failure
• Processor Fault
• Storage Device Error

Solution:

• Check Recording Status
• Verify Storage Capacity
• Restart Recording System

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Communication Error

Possible Causes:

• NMEA Communication Failure
• Network Disconnection
• Sensor Interface Problem

Solution:

• Check Interface Connections
• Verify Data Inputs
• Inspect Communication Ports

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Audio Recording Failure

Possible Causes:

• Damaged Microphone
• Audio Interface Fault

Solution:

• Test Audio Channels
• Verify Microphone Operation

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Capsule Communication Alarm

Possible Causes:

• Float-Free Capsule Fault
• Cable Damage
• Interface Failure

Solution:

• Inspect Capsule Wiring
• Verify Capsule Status

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Power Supply Failure

Possible Causes:

• AC Supply Loss
• UPS Failure
• Battery Deterioration

Solution:

• Check Input Voltage
• Verify Backup Battery Status
• Inspect Power Supply Module

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Maintenance Tips

Marine engineers should periodically inspect:

• Recording Status
• Alarm History
• Float-Free Capsule Condition
• Communication Interfaces
• Bridge Microphones
• Power Supply System
• Backup Batteries
• Data Storage Devices
• Network Connections

Regular maintenance helps ensure system compliance and operational reliability.

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Emergency Data Protection System

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Why Ships Still Use S-VDR Systems

S-VDR systems remain essential because they provide:

• Accident Investigation Support
• Event Reconstruction
• Crew Performance Review
• Safety Management
• Insurance Documentation
• Regulatory Compliance
• Operational Analysis
• Risk Reduction

Without recorded voyage data, many marine incidents become difficult to investigate accurately.

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Frequently Asked Questions (FAQ)

What is the purpose of an S-VDR?

An S-VDR records essential navigation, communication, and operational information onboard ships.

What is the difference between VDR and S-VDR?

A VDR records a broader range of data, while an S-VDR is a simplified version approved for certain vessel categories.

Is S-VDR mandatory?

Many SOLAS vessels are required to carry either a VDR or S-VDR depending on vessel type and regulatory requirements.

What happens if a vessel sinks?

The float-free capsule is designed to preserve critical voyage information.

Can recorded data be downloaded?

Yes. Authorized personnel can retrieve recorded voyage information for analysis.

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Short Product Description

The Headway SVDR HMT-105 Simplified Voyage Data Recorder is a professional marine voyage recording system designed to collect, preserve, and protect critical navigation and operational information onboard commercial vessels. The system supports accident investigation, safety management, and compliance with international maritime regulations.

SM MARINE SERVICE™

Marine Automation & Navigation Equipment Supplier

Available Condition:

• New Equipment
• Used Equipment
• Refurbished Equipment
• Reconditioned Equipment

Stock Location:

• Bangladesh
• China

Services:

• Worldwide Shipping
• Technical Support
• Spare Parts Supply
• Marine Equipment Sourcing

Contact Information

SM MARINE SERVICE™
Samir Market, DT Road, Pahartali, beside CDA Market, Chattogram, Bangladesh

Mobile / WhatsApp / Viber: +88 01818 929292

Email: info@smmarineservice.com

Website: www.smmarineservice.com

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