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Precision in Every Docking.
Reliability for Every Flight.
As the original innovator of the world’s first VDGS, RLG has supported the global aviation industry since 1969. We deliver the unwavering accuracy required to ensure every aircraft arrival concludes with absolute safety.

A Pioneer in Automated Docking
U.S. Innovation. Proven Reliability.
For over half a century, RLG has specialized in high-precision automated docking. Rooted in our American heritage, we have successfully implemented thousands of units at major aviation hubs worldwide. Our focus remains on delivering the technical accuracy and consistent performance that ground operations depend on for daily safety.

1969: The First Innovation
Originating in the United States, RLG introduced the world’s first Automated Visual Docking Guidance System (VDGS). This milestone established our role as a dedicated pioneer, providing technical solutions for airport ground operations worldwide.

Designed from the Cockpit
Founded by a veteran pilot, RLG systems are engineered entirely from a cockpit perspective. We understand the technical precision required during the final meters of arrival, ensuring every visual cue meets the practical needs of flight crews.

Proven Technical Expertise
Building on our American heritage, RLG continues to deliver reliable docking solutions to major aviation hubs. Our focus remains on consistent manufacturing quality and the technical accuracy required to support safe arrivals every day.
A-VDGS Guidance Intelligence

Our Advanced Visual Docking Guidance System (A-VDGS) provides real-time, high-precision visual cues for safe and efficient aircraft parking. This integrated operational flow demonstrates the system's dynamic display transitions, specifically highlighting the automatic switch to enhanced 0.2M resolution for maximum docking accuracy within the final 5-meter threshold.
Operational Demo:
Malaysia Airport Installation

Step 1: Capture
Reliable Aircraft Acquisition. The system actively scans and captures the aircraft as it enters the guidance zone. Pre-guidance checks ensure a clear path, establishing a secure and stable foundation for the docking procedure.

Step 2: Identification
Verification & Real-Time Monitoring. Instantly verify the aircraft type against gate assignments. Our dual-camera technology monitors the approach, cross-referencing display data with the aircraft’s actual progress to ensure high-integrity identification.

Step 3: Guidance
Active Visual Alignment. Provide unwavering, real-time guidance from the pilot’s perspective. High-accuracy visual cues deliver lag-free azimuth and stopping distance, ensuring a perfect stop at the designated position within a 10cm threshold.
What Guides
The Seamless Arrival

Comprehensive Logging & Remote Support
Our computer-based operational units maintain detailed logs, recording hardware status, system parameters, and real-time data flow throughout the docking process. This "flight path" of system operation allows for precise event reconstruction and enables immediate remote diagnostics, significantly reducing maintenance costs and downtime.

Dual-Camera Verification for Liability Clearances
We offer a dual-camera configuration that simultaneously records aircraft movement and the corresponding display panel content. This provides an essential tool for post-event analysis, allowing authorities to cross-reference actual aircraft progress with the guidance provided, effectively clarifying responsibility during any operational incident.

GOS: Customized Layout & AODB Integration
The Ground Operating System (GOS) provides a tailored interface that mirrors your specific airport layout. By integrating seamlessly with the Airport Operational Database (AODB), it synchronizes flight data directly to the VDGS. Furthermore, the system conducts a mandatory safety check before every docking to ensure the path is clear before guidance begins.
What Powers
Unwavering Technical Foundation
At RLG, our technology is built on decades of operational data and pilot-centric engineering. We provide airport authorities with more than just guidance; we deliver a comprehensive data ecosystem. Our systems are designed to eliminate operational ambiguity through precise tracking, ensuring every docking is backed by verifiable technical evidence.
Global Trust, Proven Precision.
Over 1,000 units operating daily across major international hubs.

Get started with RLG Today
Global Service Network
For immediate local assistance, please contact our regional partners on the left. For general inquiries or technical support, please fill out the form below.
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