Terms of Use and End-User Licence Agreement
THIS END-USER LICENCE AGREEMENT AND TERMS OF USE (this “Agreement”) constitutes a legally binding agreement between you, whether an individual or a legal entity (“You”), and the Licensor identified in Clause 1 (“Licensor”, “we” or “us”), governing Your access to and use of the Software, the Website and the Data (each as defined below). The Software is licensed, not sold, and is made available free of charge. It is not open-source software and it is not in the public domain. All rights reserved.
By downloading, installing, accessing or otherwise using the Software, the Website or the Data, You acknowledge that You have read and understood this Agreement and agree to be bound by it. If You do not agree to this Agreement, You must not download, install, access or use the Software, the Website or the Data, and must delete all copies in Your possession.
1.Definitions
In this Agreement, the following terms shall have the meanings set out below, and cognate expressions shall be construed accordingly:
“Licensor” means XPGuard, the author and rights holder of the XPGuard Materials.
“Software” means the XPGuard client software in object-code form, including without limitation the plug-ins and applications for X-Plane, Microsoft Flight Simulator, EuroScope and vatSys, all installers, executables, libraries, configuration files, three-dimensional models, textures and other assets supplied therewith, together with any updates, patches or new versions thereof made available to You.
“Website” means the internet service operated at xpguard.net and any subdomain thereof, including the map editor, the administrative interfaces and the application programming interfaces served therefrom.
“Data” means the airport stop-bar maps, taxi networks, light positions, configuration values, and other datasets published, served or otherwise made available by the Licensor through the Software or the Website.
“XPGuard Materials” means, collectively, the Software, the Website and the Data, together with all source code, designs, documentation, text, graphics, artwork, and the names, logos and other trade marks used in connection therewith.
“Contribution” means any airport map, taxi network, correction, metadata or other material submitted by You to the Licensor through the Website or otherwise.
“Third-Party Components” means the third-party data, libraries and other materials incorporated into or used by the XPGuard Materials and identified on the Licences & Attribution page, each of which is licensed under its own terms.
“Permitted Purpose” means use as an aid to flight simulation on virtual air-traffic networks, including without limitation VATSIM and IVAO, for Your own personal, non-commercial purposes.
2.Ownership; Reservation of Rights
The XPGuard Materials are and shall remain the exclusive property of the Licensor. All right, title and interest in and to the XPGuard Materials, including all copyright, database rights, trade marks, trade secrets and other intellectual property rights therein, vest in the Licensor.
The Software is licensed, not sold. Nothing in this Agreement transfers to You any ownership interest in the XPGuard Materials.
All rights not expressly granted to You under Clause 3 are reserved to the Licensor. No rights shall be implied, and no licence shall arise by estoppel, course of dealing, or otherwise.
3.Grant of Licence
Subject to Your continuing compliance with this Agreement, the Licensor hereby grants You a limited, personal, non-exclusive, non-transferable, non-sublicensable, revocable licence, free of charge, to: (a) download and install the Software on computing devices under Your control; and (b) use the Software, the Website and the Data solely for the Permitted Purpose.
The licence granted under Clause 3.1 is granted to You alone and may not be assigned, transferred, sublicensed, leased, lent or otherwise made available to any third party, whether in whole or in part.
The Licensor is under no obligation to provide maintenance, support, updates or continued availability of the Website, and may modify, suspend or discontinue any part of the XPGuard Materials at any time.
4.Restrictions
Save to the extent expressly permitted by this Agreement or by the Licensor in accordance with Clause 7, You shall not, and shall not permit or enable any third party to:
Commercial exploitation. Sell, resell, rent, lease, lend, sublicense, distribute for a fee, or otherwise commercially exploit the XPGuard Materials; incorporate or bundle the XPGuard Materials into or with any product, service, package, subscription or offering that is supplied for consideration; or use the XPGuard Materials to provide any commercial or revenue-generating service to any third party.
Reproduction and redistribution. Copy, reproduce, mirror, re-host, upload, publish, transmit or otherwise distribute or make available the XPGuard Materials, or any part thereof, to any third party or on any medium, repository, file-sharing service or website other than the Licensor's official distribution channels, save for a reasonable number of copies made solely for Your own back-up purposes.
Modification and derivative works. Modify, adapt, alter, translate, localise, port, or create any derivative work of the XPGuard Materials, or combine or merge any part thereof with other software or materials.
Reverse engineering and disclosure of source. Decompile, disassemble, decrypt, extract or otherwise reverse engineer the Software, or attempt to derive its source code, underlying ideas, algorithms, structure or organisation; or publish, disclose, distribute, or otherwise make available to any third party any source code, build artefact, credential, or other non-public material forming part of or relating to the XPGuard Materials that comes into Your possession by any means.
Notices and attribution. Remove, obscure, alter or falsify any copyright, licence, trade mark, authorship or attribution notice contained in or displayed by the XPGuard Materials, or represent the XPGuard Materials as Your own work.
Integrity of the service. Circumvent, disable or interfere with any authentication, access-control, rate-limiting or security mechanism of the Website; access the Website or its interfaces by automated means other than as expressly documented by the Licensor; or use the XPGuard Materials in any manner that imposes an unreasonable load on the Licensor's infrastructure or that is unlawful, fraudulent, or harmful to the Licensor or its users.
Nothing in Clause 4.1 shall operate to exclude, restrict or limit: (a) any act which You are entitled to perform in respect of the Third-Party Components under the terms of their respective licences; or (b) any right conferred on You by applicable law which cannot lawfully be excluded or restricted by agreement, including without limitation any statutory right to decompile or study software for the purpose of achieving interoperability. Where You intend to rely on such a right, You are requested to contact the Licensor first in accordance with Clause 15.
5.Third-Party Components
The XPGuard Materials incorporate or make use of Third-Party Components. The Third-Party Components are not licensed to You under this Agreement; they are licensed under their own respective terms, which continue to apply and which prevail over this Agreement in respect of those components.
The Third-Party Components, and the licences and attribution notices applicable to them, are identified on the Licences & Attribution page, which forms part of this Agreement by reference. You shall comply with those terms.
The Licensor gives no warranty or indemnity whatsoever in respect of the Third-Party Components.
6.User Contributions
You retain such rights as You may have in Your Contributions. Nothing in this Clause 6 transfers ownership of a Contribution to the Licensor.
By submitting a Contribution, You hereby grant to the Licensor a worldwide, perpetual, irrevocable, royalty-free, non-exclusive licence, with the right to sublicense, to host, store, reproduce, adapt, correct, modify, publish, distribute, communicate to the public and otherwise use the Contribution for the purposes of operating, providing, improving and promoting the XPGuard Materials.
You represent and warrant that: (a) You have all rights, licences and consents necessary to submit the Contribution and to grant the licence in Clause 6.2; and (b) the Contribution does not infringe or misappropriate the intellectual property rights or other rights of any third party.
Where a Contribution relates to third-party add-on scenery, the Licensor stores only such light positions, identifiers and metadata as are necessary for the operation of the XPGuard Materials; the underlying scenery remains the property of its author, and no right therein is claimed by the Licensor.
The Licensor is under no obligation to publish, retain or continue to make available any Contribution, and may edit, reject, withdraw or remove any Contribution at its sole discretion.
7.Written Permission
Any of the restrictions set out in Clause 4.1 may be waived only by the express prior written permission of the Licensor, granted by a duly authorised signatory or by written communication from an official Licensor contact address. No oral statement, forum or chat message, absence of objection, or course of conduct shall constitute permission or a waiver.
Any permission granted under Clause 7.1 is limited to the specific act, party, scope and period stated in it, is personal to the recipient, may be made subject to conditions, and may be revoked by the Licensor on written notice.
Requests for permission shall be made in accordance with Clause 15.
8.Simulation Use Only
The XPGuard Materials constitute an entertainment and flight-simulation aid only. They are not certified, approved or suitable for, and shall not under any circumstances be used for, real-world air navigation, real-world air-traffic control or management, flight planning for real-world operations, aviation training for which regulatory approval is required, or any other purpose in which the safety of persons or property may be affected.
The Data are derived in part from volunteer-contributed and third-party sources, are provided for simulation purposes only, and are not represented to be accurate, current or complete.
9.Disclaimer of Warranties
The XPGuard Materials are provided “as is” and “as available”, without warranty, condition or representation of any kind, whether express, implied or statutory. To the fullest extent permitted by applicable law, the Licensor expressly disclaims all implied warranties and conditions of merchantability, satisfactory quality, fitness for a particular purpose, accuracy, title and non-infringement.
Without limiting Clause 9.1, the Licensor does not warrant that the XPGuard Materials will be uninterrupted, timely, secure or error-free, that defects will be corrected, or that they will be compatible with any particular simulator, add-on, hardware or configuration.
Nothing in this Agreement excludes or limits any warranty, right or remedy which cannot lawfully be excluded or limited, including any statutory rights available to You as a consumer.
10.Limitation of Liability
To the fullest extent permitted by applicable law, the Licensor shall not be liable, whether in contract, tort (including negligence), breach of statutory duty or otherwise, for any indirect, incidental, special, consequential or punitive loss, or for any loss of profit, revenue, goodwill, data or anticipated savings, arising out of or in connection with this Agreement or the use of, or inability to use, the XPGuard Materials.
The XPGuard Materials are supplied free of charge. To the fullest extent permitted by applicable law, the Licensor shall have no liability whatsoever for any direct or other damages arising out of or in connection with this Agreement. Nothing in this Clause 10.2 shall exclude or limit the Licensor's liability arising from its wilful misconduct or gross negligence, or any other liability which may not lawfully be excluded or limited under the law applicable to this Agreement.
Nothing in this Agreement excludes or limits the Licensor's liability for death or personal injury caused by negligence, for fraud or fraudulent misrepresentation, or for any other liability which cannot lawfully be excluded or limited.
You shall indemnify and hold the Licensor harmless against any claim, liability, loss and reasonable costs arising out of Your breach of this Agreement, Your Contributions, or Your use of the XPGuard Materials in breach of Clause 8.
11.Term and Termination
This Agreement takes effect when You first download, install, access or use any of the XPGuard Materials and continues until terminated in accordance with this Clause 11.
The licence granted under Clause 3 terminates automatically and without notice upon any breach by You of this Agreement. The Licensor may additionally suspend or terminate this Agreement, or Your access to the Website, at any time, with or without cause.
You may terminate this Agreement at any time by ceasing all use of the XPGuard Materials and deleting all copies in Your possession or control.
Upon termination for any reason You shall immediately cease all use of the XPGuard Materials and delete all copies thereof. Clauses 2, 4, 5, 6.2, 8, 9, 10, 13 and 14 survive termination.
12.Amendments
The Licensor may amend this Agreement from time to time. The current version is published at xpguard.net/terms together with its version number and date of entry into force.
Your continued use of the XPGuard Materials after an amended version enters into force constitutes acceptance of that version. If You do not accept it, You must cease use in accordance with Clause 11.3.
13.General Provisions
Entire agreement. This Agreement, together with the Licences & Attribution and Privacy pages, constitutes the entire agreement between the parties in respect of its subject matter and supersedes all prior statements and understandings.
Severability. If any provision of this Agreement is held to be invalid, illegal or unenforceable, that provision shall be severed or modified to the minimum extent necessary, and the remaining provisions shall continue in full force and effect.
No waiver. No failure or delay by the Licensor in exercising any right or remedy shall operate as a waiver of it, nor shall any single or partial exercise preclude any further exercise.
Assignment. You may not assign, novate or otherwise transfer any of Your rights or obligations under this Agreement. The Licensor may assign or transfer this Agreement, in whole or in part, without restriction.
Third parties. This Agreement does not confer any right or benefit on any person who is not a party to it.
Force majeure. The Licensor shall not be liable for any failure or delay in performance to the extent caused by circumstances beyond its reasonable control.
Language. The English language version of this Agreement is the authoritative version. Any translation is provided for convenience only and, in the event of conflict, the English version prevails.
Headings. Headings are for convenience only and do not affect the interpretation of this Agreement. The words “including”, “includes” and “in particular” shall be construed as being by way of illustration and without limitation.
No association. The Licensor is not affiliated with, endorsed by, or sponsored by Laminar Research, Microsoft, Asobo Studio, VATSIM, IVAO, or any other simulator vendor, network or scenery publisher, save as expressly stated in writing.
14.Governing Law; Jurisdiction
This Agreement and any dispute or claim arising out of or in connection with it, its subject matter or formation (including non-contractual disputes or claims) shall be governed by and construed in accordance with the laws of the Republic of Türkiye, without regard to its conflict-of-laws rules.
The courts of Ankara, Türkiye shall have exclusive jurisdiction to settle any such dispute or claim, save that where You act as a consumer: (a) You may bring proceedings in the courts of the country in which You are habitually resident; (b) the Licensor may bring proceedings against You only in those courts; and (c) You retain the protection of any mandatory provisions of the law of that country.
15.Notices and Contact
Notices to the Licensor, including requests for permission under Clause 7 and notifications of alleged infringement, shall be sent in writing to [email protected].
The Licensor's community channel is available at Discord. Communications made through that channel do not constitute written permission for the purposes of Clause 7.1.
© 2026 XPGuard. All rights reserved. See also Licences & Attribution and Privacy.