---
title: "turn altitude — aviation glossary — OnlyPlanes"
description: "TNA stands for turn altitude in FAA terminology."
canonical_url: "https://onlyplanes.ru/en/learn/turn-altitude"
locale: en
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  "og:title": "turn altitude — aviation glossary"
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Aviation abbreviation

# turn altitude

TNA

ABBR · Navigation

At a glance

## Meaning of turn altitude

TNA stands for turn altitude in FAA terminology.

### More about turn altitude

This abbreviation is used in air navigation. The English reference lists turn altitude with the abbreviation TNA.

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

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