CCTV / Camera System
Marine CCTV differs from bridge navigation sensors in one basic way: it does not measure anything, it lets a human see somewhere they cannot stand -- the ISPS-restricted deck, the engine room during unmanned periods, or the blind zones ahead of a large bow.
Read more — CCTV / Camera System explained ▾
What Makes CCTV Different from Other Bridge Equipment
Every other item under Navigation & Bridge Equipment processes a physical measurement -- depth, speed, heading, position -- into a number or a plot. CCTV instead relays a live image, and its value depends entirely on where the cameras are pointed and who is watching. On a merchant ship this typically covers three separate purposes at once: ISPS security surveillance of access points and restricted areas, operational monitoring of cargo decks, mooring stations and the engine room, and navigation assistance covering blind zones that the bridge cannot see directly, particularly forward of a large container ship's bow or around the stern during berthing.
Main Components
Camera Units
Fixed or pan-tilt-zoom (PTZ) cameras in marine-rated housings, IP66 or better, with heater elements on exposed units to prevent lens fogging and icing. Low-light or thermal-imaging cameras are common on engine room and open deck installations where lighting is poor or absent.
Cabling and Network
Modern systems run IP cameras over a dedicated ship network, often separate from the main IT/OT LAN for cybersecurity reasons, rather than analogue coax, allowing digital zoom, remote configuration and integration with the ship security alert system.
Recording and Storage
A network video recorder retains footage for a period set by company security procedure, commonly 30-90 days, with the ISPS-designated cameras recorded continuously and access to playback restricted and logged.
Monitor and Control Station
Bridge and, where fitted, cargo control room and engine control room monitors display live feeds; PTZ cameras are controlled from a joystick or software panel, usually restricted to authorised users.
Selection and Sizing
Camera count and placement follow the vessel's ship security plan (SSP) for ISPS coverage first, then operational needs. Key figures buyers check are resolution, low-light sensitivity in lux, and housing ingress protection rating for exposed deck locations.
| Application | Typical Requirement |
|---|---|
| ISPS access points | Continuous recording, tamper alarm, restricted access |
| Engine room | High-temperature rated housing, wide dynamic range for machinery lighting |
| Bow blind-zone | Wide-angle or PTZ, bridge display integration |
| Mooring stations | PTZ with line-tension view, weatherproof housing |
Regulations and Class
CCTV coverage of restricted areas and access points is driven by the ISPS Code and the ship's approved Ship Security Plan rather than a SOLAS carriage requirement in itself; class societies do not mandate CCTV as core navigation equipment, but where fitted it is checked against the SSP during ISSC verification. Some flag states and port authorities additionally expect bridge-visible coverage of blind sectors on vessels above a certain length, referenced in bridge visibility guidance rather than a dedicated CCTV regulation.
Typical Faults
| Fault | Cause | Consequence |
|---|---|---|
| Blank or frozen feed | Network switch or PoE injector failure | Blind spot at exactly the location it was meant to cover |
| Fogged or salt-crusted lens | Failed heater element or missed cleaning routine | Unusable footage during an incident review |
| Gaps in recorded history | Storage overwritten before the retention period, or drive failure | No evidence available for an ISPS or cargo claim investigation |
| Unauthorised PTZ access | Shared or default login credentials on the control station | Security breach, camera pointed away from a restricted area unnoticed |
What to Look for in a Supplier
- Network separation from IT/OT systems, or a documented cybersecurity approach if integrated.
- Marine type approval for camera housings intended for exposed deck or engine room service.
- Storage capacity and retention period matching the company's security procedure, not just the factory default.
- Remote diagnostics support, since a failed camera at sea usually cannot be replaced until the next port.
Test the ISPS-designated cameras before every port state control or ISSC verification, not just once a year -- a camera that has quietly stopped recording for weeks is worse than no camera at all, because the crew believes it is covered.
8 manufacturers · 9 models
FLIR
2
- High cost
- Calibration requirements
- Window cleaning for visible channel
- High‑resolution (640×480) uncooled thermal sensor with long‑range detection up to several kilometres
- Integrated visible channel for day‑time imaging and colour reference
- Marine‑grade IP66 housing, IEC 60945 compliant, built‑in heater for cold‑water operation
- Seamless integration with bridge navigation systems (NMEA 0183/2000) and video analytics
- Automatic gain control and self‑calibration reduces operator workload
- Higher purchase price than standard CCTV cameras
- Requires periodic calibration to maintain thermal accuracy
- Visible lens must be kept clean; fouling degrades image quality
- Power consumption higher than a pure visible camera, may need dedicated supply
- Limited field‑of‑view compared with larger panoramic bridge cameras
- Thermal sensitivity degradation over years
- Stabilization motor
- Salt spray on window
- High‑resolution thermal sensor capable of detecting targets at several nautical miles.
- Motorised image stabilization compensates for ship motion, keeping the picture steady.
- Marine‑grade sealed housing (IP66/67) offers resistance to salt spray and harsh weather.
- Wide field of view suitable for bridge surveillance and collision avoidance.
- Integrates with standard bridge display systems and can be linked to AIS/ARPA inputs.
- Thermal sensitivity degrades over years, requiring periodic recalibration or sensor replacement.
- Stabilisation motor is a known failure point that can lead to image blur if it fails.
- Exterior window can accumulate salt spray and requires regular cleaning and protective coatings.
- Higher power consumption than conventional visible‑light CCTV cameras.
- Unit cost and installation expense are greater than basic low‑light cameras.
Axis
1
- Network bandwidth congestion
- Camera housing corrosion
- NVR storage failure
- High‑resolution network imaging with remote access via standard IP protocols
- Integrated analytics (e.g., intrusion detection) reduces need for separate software
- Explosion‑proof option meets hazardous area requirements on tankers and offshore vessels
- Marine‑grade housing designed for harsh salt‑water environments when properly maintained
- Significant network bandwidth consumption; can cause congestion without proper planning
- Housing corrosion reported if regular anti‑corrosion maintenance is neglected
- Requires substantial NVR storage capacity to retain high‑resolution video streams
- Higher upfront cost compared with basic analog CCTV solutions
Bosch
1- High cost
- Complex configuration
- Marine housing compatibility
- Enterprise‑grade reliability and support from a major OEM
- On‑board video analytics (motion detection, object classification) for proactive safety monitoring
- Seamless integration with bridge management and security networks
- Scalable architecture – multiple cameras can be added without redesign
- Higher purchase and installation cost compared with basic analog CCTV
- Configuration and commissioning require specialised IT/AV expertise
- Standard marine housing kits may need custom adaptation for full environmental protection
- Increased bandwidth and power requirements on the vessel’s network
Current Corp (Miros)
1
- Calibration complexity
- Limited to wave measurement
- Mounting location critical
- High‑resolution, continuous wave height measurements with low latency
- Direct integration with bridge monitoring consoles for immediate decision making
- Robust marine‑grade housing designed for harsh sea‑state exposure
- Low maintenance compared with mechanical wave buoys
- Calibration requires specialised procedures and trained personnel
- Function limited to wave monitoring; does not provide wind, temperature or other meteorological data
- Performance highly dependent on optimal mounting location and clear line‑of‑sight
- Potential signal attenuation in heavy sea spray or precipitation
Dahua
1- Marine environment challenges
- Long-term reliability unknown
- Firmware updates
- Low acquisition cost compared with many branded marine cameras
- Standard IP connectivity enables easy integration with existing NVR/DVR systems
- Remote viewing and recording over Ethernet or Wi‑Fi networks
- Typical low power consumption of IP cameras
- Marine housing is mandatory to meet corrosion and ingress protection requirements
- Long‑term reliability in harsh saltwater environments not well documented
- Firmware updates may be required and can introduce compatibility issues
- May lack formal marine certifications (e.g., IEC 60945) that higher‑grade units possess
Dallmeier
1- Marine housing required
- Storage management
- Network bandwidth
- Robust marine‑rated enclosure meets harsh sea‑water exposure requirements
- Integrated video analytics (motion detection, object tracking) for security and safety monitoring
- High image quality with configurable resolution suitable for bridge and deck surveillance
- ONVIF/RTSP compatibility enables integration with standard NVRs and ship IT networks
- Higher upfront cost compared with basic analog CCTV solutions
- Requires substantial network bandwidth and dedicated storage to handle analytics‑rich video streams
- Installation may need specialised mounting hardware and cable routing through watertight bulkheads
- Limited third‑party support; service primarily through Dallmeier or authorised dealers
Hikvision
1
- Corrosion in marine environment
- NVR hard disk failure
- PoE switch issues
- Low acquisition cost – suitable for budget‑constrained projects
- Integrated NVR simplifies installation and reduces cabling
- Supports both IP and analog cameras, offering flexibility in upgrade paths
- Good image quality for basic monitoring tasks
- Standard housing is not fully marine‑grade; corrosion can occur without additional protection
- NVR hard‑disk reliability issues reported in harsh sea environments
- PoE switch failures have been noted, requiring robust power management
- Limited advanced analytics compared with higher‑end maritime surveillance solutions
Pelco
1- PTZ mechanism salt corrosion
- Wiper motor failure
- Housing seal degradation
- 30× optical zoom with smooth pan/tilt for precise target tracking
- IEC 60945 marine certification ensures compliance with navigation equipment standards
- Integrated wiper and heater keep the lens clear in rain, spray and low temperatures
- ONVIF and Pelco D protocol support easy integration with bridge management systems
- Low‑latency HD video stream suitable for real‑time collision avoidance
- PTZ gear is prone to salt‑water corrosion if seals are not regularly inspected
- Wiper motor has a documented failure rate in high‑usage environments
- Housing seal degradation can lead to moisture ingress over long service periods
- Higher power draw compared with fixed cameras
- Initial purchase and installation cost are relatively high