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Category: Terminology

Moiré Pattern

The Moiré effect was a visual effect previously used in beacons along shorelines to indicate underwater hazards. A Moire effect is what happens as a result of moiré patterns, patterns you appear to see when two similar but...

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Stand Guidance System

A stand guidance system, Visual Docking Guidance System (VDGS) or Advanced Visual Docking Guidance System (A-VDGS) is a system that assists pilots to park an aircraft in an airport stand. Most large international airports have...

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