---
title: "Ground Proximity Warning System — aviation glossary — OnlyPlanes"
description: "A system warning of certain unsafe proximity-to-ground conditions."
canonical_url: "https://onlyplanes.ru/en/learn/gpws"
locale: en
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  "og:title": "Ground Proximity Warning System — aviation glossary"
---

> Index of every page on this site: [llms.txt](https://onlyplanes.ru/llms.txt)

Aviation abbreviation

# Ground Proximity Warning System

ABBR · Safety

At a glance

## Meaning of Ground Proximity Warning System

A system warning of certain unsafe proximity-to-ground conditions.

### More about Ground Proximity Warning System

GPWS uses relevant aircraft parameters to detect defined hazardous situations and alert the crew.

Traditional GPWS and enhanced systems using terrain databases have different capabilities. Warnings are an additional protection and do not replace proper navigation, terrain clearance or the aircraft's prescribed response procedures.

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