---
title: "if incorrect service direct — aviation glossary — OnlyPlanes"
description: "IISD stands for if incorrect service direct in FAA terminology."
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  "og:title": "if incorrect service direct — aviation glossary"
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Aviation abbreviation

# if incorrect service direct

IISD

ABBR · Operations

At a glance

## Meaning of if incorrect service direct

IISD stands for if incorrect service direct in FAA terminology.

### More about if incorrect service direct

This abbreviation is used in flight operations. The English reference lists if incorrect service direct with the abbreviation IISD.

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

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