---
title: "hazardous inflight weather advisory service — aviation glossary — OnlyPlanes"
description: "HIWAS stands for hazardous inflight weather advisory service in FAA terminology."
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Aviation abbreviation

# hazardous inflight weather advisory service

HIWAS

ABBR · Safety

At a glance

## Meaning of hazardous inflight weather advisory service

HIWAS stands for hazardous inflight weather advisory service in FAA terminology.

### More about hazardous inflight weather advisory service

This abbreviation is used in safety. The English reference lists hazardous inflight weather advisory service with the abbreviation HIWAS.

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

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