---
title: "supplementary flight plan — aviation glossary — OnlyPlanes"
description: "SPL stands for supplementary flight plan in FAA terminology."
canonical_url: "https://onlyplanes.ru/en/learn/supplementary-flight-plan"
locale: en
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  "og:title": "supplementary flight plan — aviation glossary"
---

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Aviation abbreviation

# supplementary flight plan

SPL

ABBR · Flying skills

At a glance

## Meaning of supplementary flight plan

SPL stands for supplementary flight plan in FAA terminology.

### More about supplementary flight plan

This abbreviation is used in flying and flight procedures. The English reference lists supplementary flight plan with the abbreviation SPL.

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

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