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End User License Agreement

Cowan Simulation LLC · Last updated November 8, 2026

In Short

This summary is for convenience only. The full terms below are what legally apply.

  • You can fly the Product on your own computers or Store account, post screenshots, videos, and streams (including monetized ones), and make and share free liveries. You keep the rights to your livery artwork.
  • You can’t share, resell, or upload the files; rip, port, reverse engineer, or decrypt models, sounds, or code; use the Product to train AI; or use it commercially, such as at flight schools, sim centers, or commercial events, without a license.
  • Real-world flying: the Product is entertainment software, not a training device.
  • Refunds are handled by the Store you bought from.
  • Questions: the CowanSim Discord or cowansim-legal@outlook.com.

1. Agreement and Acceptance

This End User License Agreement (“EULA”) is a legal agreement between you and Cowan Simulation LLC (“CowanSim,” “we,” “us,” or “our”). It applies to every CowanSim Product (defined in Section 2) you obtain, from any source, and to every update we provide for it. It is CowanSim’s own license for each Product, so it replaces any standard license terms that a Store applies only when the developer provides none.

We publish this EULA on cowansim.com and include it, or a link to it, in each Product’s documentation. By purchasing, downloading, installing, copying, or using a Product, you agree to this EULA. If you do not agree, do not install or use the Product, and contact the Store where you bought it about a refund under that Store’s policies.

If you are under the age of majority where you live, a parent or legal guardian must review and accept this EULA for you. If you accept it on behalf of an organization, you confirm that you have authority to bind that organization.

Some Products include additional terms, for example in their manual or read-me file. Those terms apply to that Product together with this EULA. If they conflict, the product-specific terms control for that Product.

2. Definitions

  • “Product” means any CowanSim software product, including its aircraft models, textures, liveries, paint kits, flight model and systems files, gauges and code, sounds, animations, manuals, checklists, and other documentation, and any updates, patches, or new versions we provide for it.
  • “Simulator” means the third-party flight simulation software a Product is made for, or a later version of it that can run the Product, such as Microsoft Flight Simulator (2020 or 2024) or X-Plane.
  • “Store” means the place you obtained the Product from, such as the CowanSim website (cowansim.com), the Microsoft Flight Simulator Marketplace on PC or Xbox, Orbx Direct, simMarket, or the Flightsim.to Store.
  • “Personal Use” means private entertainment and hobby use by you and your household, or as your Store’s sharing rules allow, not for payment and not as part of a business. Creating and monetizing Your Content as Sections 5 and 6 allow is Personal Use.
  • “Your Content” means screenshots, videos, streams, liveries, and other material you create using the Product.

3. License Grant

Subject to this EULA, CowanSim grants you a perpetual, limited, non-exclusive, non-transferable, non-sublicensable license to install and use each Product you have legitimately obtained, for Personal Use, with your own licensed copy of the Simulator.

  • Store-managed entitlements. If your Store ties the Product to your account (for example, the Microsoft Flight Simulator Marketplace), you may use it on the devices and accounts that Store’s rules allow.
  • Direct downloads. Otherwise, you may install the Product on computers you own or control, for Personal Use.
  • Backups. You may keep backup copies of the Product’s installer or package for your own archival use.
  • Documentation. You may print or copy the Product’s manuals and checklists for your own reference.

4. Ownership

The Product is licensed, not sold. Cowan Simulation LLC and its licensors own the Product and all intellectual property rights in it, including the copyrights in its models, textures, code, sounds, and documentation. This EULA grants only the rights it expressly states; CowanSim reserves all other rights. Buying a license does not transfer ownership of any copy of the Product to you.

5. Videos, Streams and Screenshots

You may capture and share screenshots, videos, and live streams that show the Product, including reviews and tutorials. You may monetize them, for example with platform ads, sponsor segments, or donations, without asking us first, but don’t put them behind a paywall.

When you do:

  • Don’t present Your Content as official CowanSim content or suggest that we endorse it.
  • Don’t use Your Content to distribute the Product or to reproduce its manuals, paint kits, or files.
  • Remember that your footage also shows the Simulator, which has its own rules. For Microsoft Flight Simulator, see Microsoft’s Game Content Usage Rules.

This permission does not cover advertisements made for a business (sponsor segments in your own videos and streams are fine) or film or television productions. Those need our written permission.

6. Liveries, Paint Kits and Add-Ons

You may create liveries for a Product, using its paint kit where we provide one, and share them free of charge, for example on Flightsim.to, as long as:

  1. Your livery package contains only your own artwork, which may incorporate layers from the paint kit or the Product’s textures, and the configuration files needed to apply it to an installed copy of the Product. It must not include any other Product files, such as models, flight model or systems files, sounds, code, or the paint kit itself.
  2. The livery is free to download. Selling a livery, or offering it only behind a paywall or paid subscription, requires our written permission. Optional donation links are fine.
  3. The livery is clearly identified as your work, not an official CowanSim livery.
  4. The livery does not infringe anyone else’s rights and is not offensive or unlawful. You are responsible for any real-world logos, operator names, or registrations you use.

You keep the rights in your own original artwork, and CowanSim keeps its rights in any paint-kit or Product layers your livery includes. CowanSim does not claim ownership of liveries you create, and we will not include your livery in an official Product without your permission. We may ask you to take down a livery that does not follow these rules.

The paint kit itself is part of the Product. Use it only to make liveries for that Product, and do not redistribute it.

Other add-ons and modifications. You may edit a Product’s unencrypted files on your own computer for Personal Use, at your own risk, but you may not decompile or decrypt files, circumvent protection, or use Product assets outside that Product. We can’t support modified installations. Sharing or selling a mod, other than a livery, that contains, replaces, or modifies Product files, such as a sound, flight-model, panel, or systems mod, requires our written permission. You may share add-ons that contain no Product files, such as controller profiles or checklists you write yourself.

7. Restrictions

Except as this EULA expressly allows, as we permit in writing, or as applicable law permits despite this limitation, you may not:

  1. Copy, share, upload, or distribute the Product or any part of it, including through file-sharing or torrent sites, cloud links, Discord servers, or “free download” sites.
  2. Sell, resell, rent, lease, lend, sublicense, or otherwise transfer the Product or this license.
  3. Decompile, disassemble, reverse engineer, or decrypt the Product, or attempt to derive its source code or source files.
  4. Remove, disable, or work around any encryption, copy protection, licensing check, or other technical protection used by CowanSim or a Store.
  5. Extract, convert, or port the Product’s models, textures, sounds, animations, code, flight model, or other assets into any other aircraft, product, simulator, game, or platform, or use them to make 3D prints or other replicas.
  6. Use the Product, or any part of it, to train, fine-tune, or test any artificial intelligence or machine-learning model, or include it in any dataset.
  7. Distribute modified versions of the Product or works derived from it, except liveries made under Section 6.
  8. Remove or alter any copyright, trademark, or other notices in the Product.
  9. Use the Product for commercial purposes, except as Sections 5 and 8 allow.
  10. Use the Product in violation of any law or of the terms of the Simulator or the Store.

8. Commercial and Institutional Use

Any use beyond Personal Use needs a separate written license from CowanSim. That includes use:

  • at flight schools, training centers, or simulator and experience centers;
  • in paid simulator sessions, or at commercial events, trade shows, exhibitions, or museums;
  • by or for a business, government body, or military organization; and
  • in any other business setting, or where you or anyone else is paid for the use of the Product.

Creating and monetizing content under Section 5 is not commercial use for this purpose. To ask about a commercial license, contact us (Section 24).

9. Entertainment Use Only

The Product is entertainment software. It is not certified, approved, or suitable for real-world flight training, instruction or training credit, navigation, flight planning, aircraft operation, maintenance, or any other real-world aviation purpose.

Systems, procedures, performance figures, checklists, and documentation in the Product are simulated or simplified and may differ from the real aircraft. Never rely on them for real-world flying. Use only official, current material from the aircraft manufacturer and your aviation authority.

When we say a Product was developed with feedback from real-world pilots, that describes how we built it. It does not mean that any pilot, operator, manufacturer, or aviation authority has approved the Product for any purpose.

10. Purchases, Stores and Refunds

Your purchase is a transaction with the Store you used. Prices, payment, taxes, delivery, account entitlement, and refunds are governed by that Store’s terms and policies. For example, Microsoft handles purchases on the Microsoft Flight Simulator Marketplace, and Orbx Direct, simMarket, and the Flightsim.to Store handle their own. Contact that Store for billing or refund requests; CowanSim cannot issue refunds for purchases made through another Store.

For purchases made directly on cowansim.com, you may cancel within 14 days of purchase for a full refund. That right ends once you start downloading the Product, if at checkout you asked for immediate access and acknowledged that downloading ends it. After that, refunds are available where the law requires them (see Section 19). If a Product is faulty or not as described, contact us (Section 24).

If the terms of a Store other than cowansim.com conflict with this EULA on payment, delivery, entitlement, or refunds, the Store’s terms control on those points. On everything else, this EULA governs your use of the Product as between you and CowanSim.

11. Microsoft Flight Simulator and Other Third-Party Terms

The Simulator. The Simulator is owned by its publisher, not by CowanSim, and your use of it is governed by that publisher’s terms. The Product does not include the Simulator; you need your own licensed copy.

Microsoft. CowanSim is an independent developer. Microsoft does not endorse or support the Product, is not a party to this EULA, and is not responsible for the Product’s content, performance, or support. Microsoft or a Store may change, restrict, or remove a Product’s availability or compatibility, which is outside our control.

Third-party products and components. Some Products work with, or include, software or content from other companies, such as the PMS50 or TDS GTN 650/750 avionics or instruments built into the Simulator. Third-party products are governed by their own license terms, may need to be obtained separately, and are not covered by any CowanSim commitment. Any third-party component included with a Product is licensed under its own terms, which control for that component.

12. Updates, Compatibility and Support

Updates. We may release updates, fixes, and new features. Whether updates are included with a Product, and for how long, is as described on its Store page when you bought it. Updates are covered by this EULA.

New Simulator versions. A version of a Product built for a new Simulator release, such as a native Microsoft Flight Simulator 2024 version, may be offered as a separate product, a paid upgrade, or a free update, as described on its Store page.

Compatibility. Simulator updates are outside our control and may change how a Product works. We aim to keep current Products working with current Simulator releases, but we cannot guarantee compatibility with every Simulator version, hardware setup, or third-party add-on. We may end support for older Products or Simulator versions.

Support. We provide support through the CowanSim Discord and by email (Section 24). We do our best to help, but support is not guaranteed for any particular period, and we cannot support modified installations or third-party add-ons.

13. Pre-Release and Test Versions

If we give you a beta, preview, or other test version of a Product, you may use it only to test it and give us feedback. Keep it confidential: don’t share its files, and don’t publish screenshots, videos, or details unless we say you may. Test versions may be incomplete or unstable, are provided “as is,” and may expire or be withdrawn at any time. Delete a test version when we ask or when testing ends.

14. Trademarks and Real-World Aircraft

“CowanSim,” “Cowan Simulation,” and the CowanSim logos are trademarks of Cowan Simulation LLC. You may use the names to refer to the Product, for example in reviews, videos, and livery descriptions, but not in a way that suggests endorsement or official status.

Microsoft, Microsoft Flight Simulator, and Xbox are trademarks of the Microsoft group of companies. X-Plane is a trademark of Laminar Research. All other trademarks belong to their respective owners.

Products simulate real-world aircraft. Names of real aircraft, manufacturers, engines, avionics, and operators are used only to identify what a Product simulates. Unless a Product’s documentation states that it is officially licensed, CowanSim is not affiliated with, endorsed by, or sponsored by any aircraft manufacturer or other trademark owner.

15. Feedback

If you send us ideas, suggestions, or bug reports, we may use them to improve our products without any obligation to you, including payment or credit. This Section does not cover liveries or other artwork you create; Section 6 applies to them.

16. Termination

This EULA applies from when you accept it until your license ends. Your license ends automatically if you breach Section 7 by distributing, selling, or uploading the Product or its files, decrypting or reverse engineering it, circumventing its protection, extracting or porting its assets, or using it to train or test AI. It also ends if you receive a full refund for the Product, including through a chargeback. If you materially breach this EULA in any other way, your license ends if you do not fix the breach within 14 days after we notify you of it. Uninstalling a Product does not end your license. Test versions end as Section 13 describes.

When your license ends, you must stop using the Product and delete all copies. A license that ends because of your breach does not entitle you to a refund, except where the law requires one. Sections 2, 4, 7, 9, 11, and 13 through 23 survive termination.

17. Disclaimer of Warranties

TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, THE PRODUCT IS PROVIDED “AS IS” AND “AS AVAILABLE,” WITH ALL FAULTS AND WITHOUT WARRANTY OF ANY KIND. COWAN SIMULATION LLC AND ITS MEMBERS, MANAGERS, CONTRACTORS, AND LICENSORS DISCLAIM ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE, NON-INFRINGEMENT, ACCURACY, AND QUIET ENJOYMENT, AND ANY WARRANTIES ARISING FROM COURSE OF DEALING OR USAGE OF TRADE.

WE DO NOT WARRANT THAT THE PRODUCT WILL BE ERROR-FREE OR UNINTERRUPTED, THAT IT WILL MEET YOUR REQUIREMENTS OR WORK WITH EVERY HARDWARE SETUP, SIMULATOR VERSION, OR THIRD-PARTY ADD-ON, OR THAT IT ACCURATELY REPRODUCES ANY REAL-WORLD AIRCRAFT.

Some jurisdictions do not allow the exclusion of implied warranties, so some of these exclusions may not apply to you (see Section 19).

18. Limitation of Liability

TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW:

  1. COWAN SIMULATION LLC AND ITS MEMBERS, MANAGERS, CONTRACTORS, AND LICENSORS WILL NOT BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, EXEMPLARY, OR PUNITIVE DAMAGES, OR FOR ANY LOSS OF DATA, PROFITS, OR GOODWILL, OR COMPUTER FAILURE OR MALFUNCTION, ARISING OUT OF OR RELATED TO THE PRODUCT OR THIS EULA, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
  2. THE TOTAL LIABILITY OF COWAN SIMULATION LLC AND ITS MEMBERS, MANAGERS, CONTRACTORS, AND LICENSORS, TAKEN TOGETHER, FOR ALL CLAIMS ARISING OUT OF OR RELATED TO THE PRODUCT OR THIS EULA WILL NOT EXCEED THE AMOUNT YOU PAID FOR THE PRODUCT THAT GAVE RISE TO THE CLAIM, OR US$10 IF YOU PAID NOTHING.
  3. THESE LIMITS APPLY TO EVERY THEORY OF LIABILITY, INCLUDING CONTRACT, WARRANTY, TORT (INCLUDING NEGLIGENCE), AND STRICT LIABILITY, EVEN IF A LIMITED REMEDY FAILS OF ITS ESSENTIAL PURPOSE.

Some jurisdictions do not allow these limitations, so they may not apply to you (see Section 19).

19. Your Consumer Rights

Nothing in this EULA limits or excludes rights you have under consumer protection laws that cannot be waived or limited by contract, such as the consumer guarantees under the Australian Consumer Law or consumer rights in the European Union and the United Kingdom. Nothing in this EULA limits liability for death or personal injury caused by negligence, or for fraud, where the law does not allow such limits. Where those laws apply, Sections 17 and 18 apply only to the extent those laws allow.

European Union and United Kingdom. If you are a consumer in the European Union or the United Kingdom, Sections 17 and 18 do not apply to you. Instead, we are responsible for loss or damage you suffer that is a foreseeable result of our breaking this EULA or failing to use reasonable care and skill. We are not responsible for loss or damage that is not foreseeable, or for business losses.

Australia. If you are a consumer in Australia, our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and compensation for any other reasonably foreseeable loss or damage. You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure.

20. Indemnity

To the extent permitted by law, you agree to indemnify and hold harmless Cowan Simulation LLC and its members, managers, and contractors against third-party claims, losses, and reasonable legal costs arising from your breach of this EULA or from Your Content that infringes anyone’s rights or breaks the law.

21. Governing Law and Disputes

This EULA is governed by the laws of the State of Illinois, USA, without regard to its conflict-of-laws rules. The United Nations Convention on Contracts for the International Sale of Goods does not apply.

Before filing a claim, please contact us (Section 24) so we can try to resolve the issue informally. Any dispute arising out of or related to this EULA or the Product will be resolved exclusively in the state or federal courts located in Illinois, including small-claims court where a claim qualifies, and you and CowanSim consent to their jurisdiction. CowanSim may also seek an injunction or other equitable relief in any court with jurisdiction to protect its intellectual property.

This Section, not any dispute terms in the cowansim.com Terms and Conditions, governs any dispute between you and CowanSim about a Product or its purchase.

If you are a consumer living outside the United States, you may also benefit from mandatory laws of your country of residence and may have the right to bring proceedings in your local courts. Nothing in this Section takes those rights away.

22. Changes to This EULA

We may update this EULA from time to time. The date at the top shows when it last changed, and the current version will be available on cowansim.com.

An updated version applies once it is posted. However, a change that reduces your rights in a Product you already have applies to that Product only if you expressly accept it, or if the law or a Store’s rules require the change. This also applies to product-specific terms (Section 1) that come with an update.

23. General Terms

  • Entire agreement. This EULA, any product-specific terms under Section 1, and any separate written license you sign with CowanSim are the entire agreement about the Product. Subject to Section 22, this EULA replaces earlier CowanSim EULAs. If the Terms and Conditions of cowansim.com conflict with this EULA about a Product, this EULA controls.
  • Severability. If any part of this EULA is found unenforceable, it will be enforced to the maximum extent allowed, and the rest remains in effect.
  • No waiver. If we do not enforce part of this EULA, we may still enforce it later.
  • Assignment. You may not assign or transfer this EULA or your license. We may assign this EULA, for example as part of a merger, acquisition, or sale of our business or assets.
  • Relationship. This EULA does not create any partnership, employment, or agency relationship between you and CowanSim.
  • Notices. We may give you notices about this EULA through the Product, our website, our Discord, or by email.
  • Export and sanctions. You must comply with all export control and sanctions laws that apply to your use of the Product.
  • Language. This EULA is written in English. Any translation is for convenience only, and the English version controls.
  • Interpretation. Headings and the summary at the top are for convenience only and do not change the meaning of this EULA. “Including” means “including without limitation.”

24. Contact

For support, licensing questions, or permission requests, contact Cowan Simulation LLC (CowanSim), Illinois, USA:

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