Side-by-side
Advanced Visual Docking Guidance System / A-VDGS (RLG Docking Systems, distributed by Vardhman Airport Solutions) vs NARVA Conventional Incandescent Airfield Lamp — Prefocus P28s (7669 / 7654 / 7668C / 7670C / 6936C)
Spec comparison for two products on Aviation Souk. Both compete in Runway Lighting & Airfield Electrical.

Runway Lighting & Airfield Electrical
Advanced Visual Docking Guidance System / A-VDGS (RLG Docking Systems, distributed by Vardhman Airport Solutions)
by Vardhman Airport Solutions
A 3D laser-scanning docking guidance system from RLG Docking Systems (Taiwan) that tracks incoming aircraft nose position in real time and displays stopping and azimuth guidance to the flight deck — eliminating the weight and height variables that defeat simpler optical systems.

Runway Lighting & Airfield Electrical
NARVA Conventional Incandescent Airfield Lamp — Prefocus P28s (7669 / 7654 / 7668C / 7670C / 6936C)
by Vosla Gmbh Narva
P28s prefocus incandescent airfield lamp for constant-current regulated series circuits.
| Cost of ownership | Advanced Visual Docking Guidance System / A-VDGS (RLG Docking Systems, distributed by Vardhman Airport Solutions) | NARVA Conventional Incandescent Airfield Lamp — Prefocus P28s (7669 / 7654 / 7668C / 7670C / 6936C) |
|---|---|---|
| Price tier | — | — |
| Lead time (weeks) | ?–? | ?–? |
| Delivery | — | — |
| Install | — | — |
| GCC airports deployed | 0 | 0 |
| Certifications | 0 | 0 |
Specs
Technical specifications.
| Spec | Advanced Visual Docking Guidance System / A-VDGS (RLG Docking Systems, distributed by Vardhman Airport Solutions) | NARVA Conventional Incandescent Airfield Lamp — Prefocus P28s (7669 / 7654 / 7668C / 7670C / 6936C) |
|---|---|---|
| Sensing technology | 2-axis laser scanning (3D) | — |
| Range accuracy (>50 m) | ±0.2 m at 150 m | — |
| Range accuracy (<50 m) | ±0.05 m | — |
| Power consumption | <700 W | — |
| Power input | AC 85–240 V, 50/60 Hz auto-select | — |
| Pilot display — azimuth bar | 12-inch, high-visibility | — |
| Pilot display — distance readout | 8-inch alphanumeric | — |
| Aircraft type coverage | All ICAO aircraft types | — |
| Optional interfaces | PBB, GPU, PCA, CCTV, FIS/FOS, SITA AMS | — |
| Compliance | ICAO Annex 14 | — |
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