Where can I find classic X-Plane 11/12 aircraft add-ons?

Yes. Fly Away Simulation offers free classic aircraft add-ons for X-Plane 11 and X-Plane 12, including old airliners, transports, warbirds and biplanes. Every featured recommendation below is freeware. Check the package type, though: liveries, updates and conversions are optional files and may require a separately downloaded base model.

Which free classic X-Plane aircraft should I download?

Start with a complete aircraft suited to your simulator version, then add liveries or updates later. These are our recommended routes into the library:

If it needs to be free, these are freeware choices and require no aircraft purchase. Freeware does not always mean self-contained, however: a free repaint can still depend on another freeware or commercial model. A complete aircraft archive should normally contain at least one .acf file after extraction.

Will an X-Plane 11 classic aircraft work in X-Plane 12?

Some X-Plane 11 aircraft work in X-Plane 12, but loading successfully is not proof of full compatibility. Straightforward aircraft without compiled plugins generally have the best chance.

• Prefer an explicit X-Plane 12 label. If the description mentions only X-Plane 11, regard X-Plane 12 operation as unconfirmed.
• Keep separate aircraft copies. Do not use one working folder for both simulators or overwrite the known-good X-Plane 11 version.
• Check the whole aircraft. Test gauges, sounds, lights, animations, control surfaces, engine behaviour and autopilot functions rather than stopping once the cockpit loads.
• Expect visual differences. Older cockpit lighting, materials, glass and exterior textures may not render as their author intended in X-Plane 12.
• Expect flight-model differences. Airfoils, engine behaviour and handling tuned for X-Plane 11 may require a proper X-Plane 12 update. Joystick sensitivity changes cannot repair the underlying model.
• Do not rely on resaving the aircraft. Opening and saving it cannot replace an incompatible plugin, missing object or broken animation.

Our detailed explanation of X-Plane 11 add-on compatibility in X-Plane 12 covers the broader warning signs and version differences.

How do I install a downloaded classic aircraft?

Extract the complete aircraft folder into X-Plane's Aircraft directory and verify that its .acf file is at the expected folder depth.

1. Confirm the package type. Read the listing for terms such as complete aircraft, livery, repaint, update, patch or conversion. The latter files usually need another package.
2. Extract the archive. Do not leave the aircraft inside a ZIP or attempt to run it from the downloads folder.
3. Move the extracted aircraft folder. A location such as X-Plane 11/Aircraft/Vintage or X-Plane 12/Aircraft/Vintage keeps classic models organised.
4. Check the folder depth. Open the installed folder and locate the aircraft's .acf file. If extraction created duplicate wrapper folders, move the actual aircraft folder up rather than installing the outer container.
5. Start with a simple test. Load the aircraft with engines running, clear weather and a suitable runway. Test a cold-and-dark start separately so an unfamiliar engine procedure is not mistaken for a broken add-on.

Why is the aircraft missing or broken after installation?

A missing aircraft usually means the archive is still compressed, its folder is nested incorrectly, the package is only a livery, or the file does not support that simulator version.

• Aircraft absent from the selector: confirm that an .acf file exists inside the installed folder and that you have not copied only a repaint or update.
• Blank or unresponsive instruments: a required plugin may have failed to load. Compiled plugins can be limited by X-Plane version, operating system or processor architecture.
• Missing objects or textures: extract the archive again and check for required dependencies. Filename capitalisation can also matter, especially on case-sensitive Linux installations.
• Visual defects in X-Plane 12: older lighting, material and cockpit techniques may need an author-supplied conversion rather than a settings change.
• Unrealistic handling: use the correct version of the aircraft. An X-Plane 11 flight model may load in X-Plane 12 without being properly tuned for it.
• Only a new paint scheme appears: the download was a livery and must be installed inside the named base aircraft's livery structure.

To diagnose a failure, reproduce it once, close X-Plane and inspect Log.txt in the main simulator folder. Search for the aircraft folder name and nearby messages concerning plugins, missing files, objects, textures or sound banks. The first relevant error is usually more useful than the later errors it triggers.

Freeware old airliners for X-Plane

The C-47 and Super Constellation are the strongest starting points for old airliner flying because both provide a complete historic aircraft experience rather than merely a modern aircraft in retro colours.

Douglas C-47 Dakota and DC-3

The freeware C-47 package is suited to short passenger sectors, cargo work and historic routes. It provides the base aircraft, a period cockpit and the tailwheel handling associated with the Dakota/DC-3 family. Its stated target is X-Plane 11, so test every system before retaining it in X-Plane 12.

Lockheed L-1049G Super Constellation

The freeware Super Constellation provides a virtual cockpit, piston-engine sounds and the higher workload of a large four-engine propliner. It is a better choice when you want long-range period operations and more engine management than the C-47, but its X-Plane 11 label should not be read as automatic X-Plane 12 support.

Other classic passenger and cargo aircraft

Our civil-heavy section also contains older jetliners, propliners and cargo aircraft. Check each listing carefully because an old airline name or historic paint scheme does not necessarily mean the download includes an aircraft; many such files are liveries for a separately installed model.

More free classic aircraft to browse

For more freeware, use the category links in our X-Plane library to move between historic and vintage aircraft, military models, general aviation and civil-heavy downloads. For X-Plane 12 in particular, our guide to finding aircraft add-ons that identify X-Plane 12 support explains what to check before downloading.

• For old airliners: browse civil-heavy and historic listings, then look for complete aircraft and the required simulator version.
• For warbirds: use the military category and check whether the download is the flyable model or only a repaint.
• For biplanes and early trainers: inspect historic, vintage and general-aviation listings.
• For faster filtering: use your browser's Find command on a category page for terms such as X-Plane 12, complete aircraft, livery or a specific aircraft name.

A mistake we see constantly is choosing a file by its screenshot and overlooking the package description. Before downloading, verify three things: the X-Plane version, the presence of a complete base aircraft and any listed dependencies. Those checks prevent most missing-aircraft and non-working-cockpit problems.