Headway SVDR HMT-105 Simplified Voyage Data Recorder (S-VDR) – Complete Technical Guide, Features, Troubleshooting & Maintenance
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
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
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.
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.
Typical Headway S-VDR Equipment
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.
Headway S-VDR System Architecture
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.
Headway Recording Components
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
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
Communication Error
Possible Causes:
- NMEA Communication Failure
- Network Disconnection
- Sensor Interface Problem
Solution:
- Check Interface Connections
- Verify Data Inputs
- Inspect Communication Ports
Audio Recording Failure
Possible Causes:
- Damaged Microphone
- Audio Interface Fault
Solution:
- Test Audio Channels
- Verify Microphone Operation
Capsule Communication Alarm
Possible Causes:
- Float-Free Capsule Fault
- Cable Damage
- Interface Failure
Solution:
- Inspect Capsule Wiring
- Verify Capsule Status
Power Supply Failure
Possible Causes:
- AC Supply Loss
- UPS Failure
- Battery Deterioration
Solution:
- Check Input Voltage
- Verify Backup Battery Status
- Inspect Power Supply Module
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.
Emergency Data Protection System
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.
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.
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
User Manual & Technical Resources
Product Manual
Download PDF Click Here