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

# between layers

BTL

ABBR · Operations

At a glance

## Meaning of between layers

BTL stands for between layers in FAA terminology.

### More about between layers

This abbreviation is used in flight operations. The English reference lists between layers with the abbreviation BTL.

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

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