---
title: "below all clouds — aviation glossary — OnlyPlanes"
description: "BAC stands for below all clouds in FAA terminology."
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locale: en
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Aviation abbreviation

# below all clouds

BAC

ABBR · Meteorology

At a glance

## Meaning of below all clouds

BAC stands for below all clouds in FAA terminology.

### More about below all clouds

This abbreviation is used in aviation weather. The English reference lists below all clouds with the abbreviation BAC.

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

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