---
title: "en route surveillance radar — aviation glossary — OnlyPlanes"
description: "RSR stands for en route surveillance radar in FAA terminology."
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Aviation abbreviation

# en route surveillance radar

RSR

ABBR · Radio communications and ATC

At a glance

## Meaning of en route surveillance radar

RSR stands for en route surveillance radar in FAA terminology.

### More about en route surveillance radar

This abbreviation is used in radio communications and air traffic control. The English reference lists en route surveillance radar with the abbreviation RSR.

FAA abbreviations reflect US aviation usage. Their meaning and permitted use can differ in documents from other countries.

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