---
title: I am trying to file a DD1801 flight plan with Aero App but getting “Filing Failed, Username does not exist” error. I have registered, what am I doing wrong?
description: Currently, Aero App is only filing FAA flight plans.
url: "https://www.aeroapp.info/kb/docs/aeroapp/i-am-trying-to-file-a-dd1801-flight-plan-with-aero-app-but-getting-filing-failed-username-does-not-exist-error-i-have-registered-what-am-i-doing-wrong/"
updated: "2026-04-15"
category: Aero App
tags:
  - Aero App for Android
  - Aero App for iOS
---

# I am trying to file a DD1801 flight plan with Aero App but getting “Filing Failed, Username does not exist” error. I have registered, what am I doing wrong?

Currently, Aero App is only filing FAA flight plans.