Last updated: November 12, 2025
Welcome to Tailfinder. By accessing or using our service, you agree to be bound by these Terms of Service. If you do not agree to these terms, please do not use Tailfinder.
Tailfinder is a free search tool that helps users find available FAA aircraft registration numbers (N-numbers). The service aggregates publicly available data from the Federal Aviation Administration (FAA) and presents it in a searchable format.
Tailfinder is not affiliated with, endorsed by, or connected to the Federal Aviation Administration (FAA). This is an independent service that uses publicly available FAA data.
Important: All N-number registrations must be completed through official FAA channels. Tailfinder provides informational data only and cannot register or reserve N-numbers on your behalf.
While we strive to provide accurate and up-to-date information:
You agree to use Tailfinder only for lawful purposes. You must not:
Tailfinder is open-source software. The source code is available on GitHub and licensed under the MIT License. However:
We strive to keep Tailfinder available and functional, but we do not guarantee:
We reserve the right to modify, suspend, or discontinue the service at any time without notice.
TO THE MAXIMUM EXTENT PERMITTED BY LAW: Tailfinder and its operators are not liable for any indirect, incidental, special, consequential, or punitive damages arising from your use of or inability to use the service. This includes, but is not limited to, damages for loss of profits, data, or other intangible losses, even if we have been advised of the possibility of such damages.
You use Tailfinder at your own risk. The service is provided "as-is" without warranties of any kind, express or implied.
You agree to indemnify and hold harmless Tailfinder and its operators from any claims, damages, losses, liabilities, and expenses (including legal fees) arising from:
Tailfinder contains links to third-party websites (such as FAA.gov). We are not responsible for the content, accuracy, or practices of these external sites. Use them at your own discretion.
We may update these Terms of Service from time to time. The "Last updated" date at the top indicates when changes were last made. Your continued use of Tailfinder after changes constitutes acceptance of the updated terms.
These Terms are governed by the laws of the United States. Any disputes will be resolved in accordance with applicable federal and state laws.
If you have questions about these Terms of Service, please open an issue on our GitHub repository.
By using Tailfinder, you acknowledge that you have read, understood, and agree to be bound by these Terms of Service and our Privacy Policy.