Furuno AC-90C Loran-C Antenna Coupler
Best replacement component for legacy marine navigation system owners.
The Furuno AC-90C is a dedicated Loran-C Antenna Coupler designed to interface seamlessly with the Furuno LC-90 Loran Navigator system. This essential marine electronics component is in good physical condition, having been professionally removed from a vessel during a complete refit. It is guaranteed to be in good working order and is backed by a 14-day return policy for buyer confidence. Please note that this listing includes only the coupler unit as pictured; no associated cables or accessories are included. Ensure compatibility with your existing LC-90 setup for reliable navigation support.
$99.95
Owner Satisfaction
4.5
/ 5
Category Rank
147
/ 337
#147 in Marine Chartplotters & GPS
Price vs Category Average
-95%
Below average
Product Type
Loran-C Antenna Coupler
/ Loran-C Antenna Coupler
Who it's for
- Navigators requiring precise signal clarity in noisy environments
- Mariners operating in demanding, high-vibration offshore conditions
- Owners of legacy Furuno systems needing seamless hardware integration
Who should skip it
- Modern sailors seeking functional, up-to-date primary navigation tools
- Users looking for compatibility with contemporary GPS navigation technology
- Technicians requiring accessible replacement parts and manufacturer support
Performance breakdown
System Integration
Engineered specifically for seamless communication with the Furuno LC-90 navigator.
Signal Reliability
Maintains consistent signal coupling essential for legacy Loran-C navigation systems.
Build Integrity
Rugged marine-grade construction designed to withstand harsh offshore environmental conditions.
Operational Provenance
Professionally salvaged from active service to ensure verified functional performance.
Installation Simplicity
Straightforward mounting process for technicians familiar with vintage marine electronics.
Component Availability
Rare legacy hardware that is increasingly difficult to source in working condition.
Key Specs
Product Type
Loran-C Antenna Coupler
Compatibility
Furuno LC-90 Loran Navigator
Manufacturer Part Number
AC-90C
Condition
Used, guaranteed working order
Accessory Type
Antenna
Compatible Radio Type
Marine Radio
Warranty
14 day policy
Features
- Essential interface for Loran navigation
- Guaranteed working order
- Professionally removed from operational gear
- Directly supports Furuno LC-90 Navigator
- Ensures reliable signal coupling
- 14-day return policy
What customers say
This antenna coupler receives high praise for its professional quality and unwavering reliability in tough marine settings. Customers value that this specialized component performs its critical function flawlessly, reinforcing the brand's reputation for robust electronics. The sentiment emphasizes its straightforward integration, noting that installation is surprisingly easy for complex navigation gear. Users consider it a necessary and dependable investment that guarantees system longevity and precise performance. It is a trusted piece of equipment.
Know before you buy
No, the AC-90C is specifically engineered to interface with the Furuno LC-90 Loran Navigator. It is not designed for use with other navigation systems.
This listing includes the AC-90C coupler unit only. Please note that no cables, mounting hardware, or additional accessories are included.
This unit was professionally removed from an operational vessel during a refit. It is in good physical condition and is guaranteed to be in good working order.
While there is no manufacturer warranty, we provide a 14-day return policy to ensure the unit functions as expected upon receipt.
The coupler acts as a critical interface between your antenna and the LC-90 navigator. It ensures the signal is properly matched and coupled, which is essential for maintaining reliable navigation data.
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$100