---
title: "fuel supply unknown — aviation glossary — OnlyPlanes"
description: "FENKN stands for fuel supply unknown in FAA terminology."
canonical_url: "https://onlyplanes.ru/en/learn/fuel-supply-unknown"
locale: en
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  "og:title": "fuel supply unknown — aviation glossary"
---

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Aviation abbreviation

# fuel supply unknown

FENKN

ABBR · Operations

At a glance

## Meaning of fuel supply unknown

FENKN stands for fuel supply unknown in FAA terminology.

### More about fuel supply unknown

This abbreviation is used in flight operations. The English reference lists fuel supply unknown with the abbreviation FENKN.

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

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