---
title: "towering cumulus — aviation glossary — OnlyPlanes"
description: "TCU stands for towering cumulus in FAA terminology."
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Aviation abbreviation

# towering cumulus

TCU

ABBR · Operations

At a glance

## Meaning of towering cumulus

TCU stands for towering cumulus in FAA terminology.

### More about towering cumulus

This abbreviation is used in flight operations. The English reference lists towering cumulus with the abbreviation TCU.

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

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