Opening a HELI File

The HELI file type is primarily associated with RealFlight Radio Control.

HELI	File extension: HELI
	File type:	Airplane Description

What is a HELI file

HELI files mostly belong to RealFlight Radio Control by Knife Edge Software. RealFlight is an R/C flight simulator.

How can I open a HELI file?

You need a suitable software like RealFlight Radio Control to open a HELI file. You need a suitable software like RealFlight Radio Control from Knife Edge Software to open a HELI file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your HELI file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a HELI file directly in the browser:. Just drag the file onto this browser window and drop it.

Online HELI Text Viewer

Choose your .heli file to analyze

or drag and drop it here

Online File Viewer

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Unable to Open a .HELI File? Quick Solutions:

Because .HELI files can come from different programs, they aren't universally openable.

Identify the Source: These are often shared by RC flight simulator enthusiasts, suggesting an Airplane Description file for RealFlight Radio Control by Knife Edge Software.
Check the Header: Inspect the first bytes in a text editor or hex viewer:
- Readable text (like XML/INI) suggests a configuration file.
- "PK" indicates a ZIP archive.
- Unreadable binary means it requires specialized software.
Use the Original Software: The original program is usually required, such as RealFlight Radio Control. If uncertain, ask the sender.
Use this Webpage: Drag and drop your file into our viewer to detect the format, extract readable text, and preview contents when possible.

Technical Data for HELI File Extension

Related files:

mtr, airport, airports

a heli Airplane Description is a special file format by Knife Edge Software and should only be edited and saved with the appropriate software.

How to solve problems with HELI files

Associate the HELI file extension with the correct application.
Update your software that should actually open airplane descriptions. Because only the current version supports the latest HELI file format. Search, therefore, e.g. on the Knife Edge Software manufacturer website after an available RealFlight Radio Control update.
To make sure that your HELI file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .HELI file online - secure, fast, and no downloads needed.