---
title: "terminal secondary radar beacon — aviation glossary — OnlyPlanes"
description: "TSEC stands for terminal secondary radar beacon in FAA terminology."
canonical_url: "https://onlyplanes.ru/en/learn/terminal-secondary-radar-beacon"
locale: en
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  "og:title": "terminal secondary radar beacon — aviation glossary"
---

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Aviation abbreviation

# terminal secondary radar beacon

TSEC

ABBR · Navigation

At a glance

## Meaning of terminal secondary radar beacon

TSEC stands for terminal secondary radar beacon in FAA terminology.

### More about terminal secondary radar beacon

This abbreviation is used in air navigation. The English reference lists terminal secondary radar beacon with the abbreviation TSEC.

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

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