SPERRY NAVITWIN IV DISPLAY CDU 4994 AC – Easy Installation, Fast Repair & Maintenance
This display unit connects to your gyrocompass and autopilot system. It shows the vessel’s direction clearly. However, over time, the unit may have display issues or power faults. In such cases, SEANAV provides quick and expert repairs. In addition, we supply original spare parts when needed.
What We Offer for CDU 4994 AC Units
We know marine operations rely on trusted equipment. That’s why we handle every CDU 4994 AC job with care. Our engineers work onboard or remotely to restore full function. They also test and calibrate the system to ensure it meets marine safety rules.
- Quick replacement of faulty CDU 4994 AC displays
- Screen and signal issue troubleshooting
- System recalibration for better accuracy
- Autopilot and gyrocompass integration
- Spare part supply and technical advice
Frequently Asked Questions
What is the CDU 4994 AC used for?
It shows heading and steering information on a ship’s bridge, helping with navigation and course control.
Can SEANAV replace a damaged unit?
Yes, we install new or replacement CDU 4994 AC units onboard ships at any port.
Does it work with autopilot?
Yes, this unit connects with autopilot and gyrocompass systems to help steer the vessel correctly.
Do you provide onboard repair?
Yes, SEANAV offers onboard diagnostics and repairs in most major ports worldwide.
Can you fix screen errors?
Absolutely. We resolve blank displays, error messages, and signal issues.
Is it compliant with IMO rules?
Yes, the unit follows IMO requirements for navigation equipment.
How do I know if the unit has failed?
Common signs are wrong headings, no display, or lost connection to other systems.
How long does it take to install?
Most installations take 2–4 hours, depending on system complexity.
Do you supply original parts?
Yes, we provide genuine SPERRY Marine parts for repairs and replacements.
Is remote support possible?
In some cases, yes. We can guide you through tests and minor fixes remotely.
Is there a service warranty?
Yes, all our services include a warranty for peace of mind.
Why SEANAV is the Right Choice
SEANAV has years of experience in marine electronics. Therefore, we offer fast and trusted service for all Sperry CDU models. We work under IMO guidelines, and we always use genuine parts. For example, we’ve helped hundreds of vessels avoid downtime through proper repairs. If you need support, don’t wait — contact SEANAV now for expert help with your SPERRY NAVITWIN IV CDU 4994 AC unit.
