Cookie Policy

Última atualização: 03/02/2026 11:00
Official System: This information is provided by the National Civil Aviation Authority.

Cookie Policy

1. What are Cookies?

Cookies are small files stored on the user’s device that help improve browsing and ensure essential platform functionalities.

The purpose of cookies is to allow the website to remember your preferences (for example, language) for a certain period of time, so that you do not need to re-enter them on each visit.

2. Types of Cookies Used

2.1 Essential Cookies (Strictly Necessary)

These cookies are essential for the operation of the platform and cannot be disabled, as they ensure basic functionalities such as authentication, security, and session maintenance.

The platform uses the following essential cookies:

  1. PHP Session Cookie (PHPSESSID)

    • Category: Strictly necessary
    • Purpose: to maintain the user’s session/authentication (login), preserve the state of the portal, and enable security mechanisms (e.g. CSRF protection, rate limiting, possible 2FA).
    • Duration: session (expires when the browser is closed; the server-side session expires after a period of inactivity).
    • Attributes: HttpOnly; Secure (when using HTTPS); SameSite=Lax; Path=/anac-registry.
  2. Language Cookie (lang)

    • Category: Preferences / Functional
    • Purpose: to store the language preference (pt/en) on public and informational pages.
    • Duration: 1 year.
    • Attributes: HttpOnly; Path=/. This cookie is not used for tracking or advertising purposes.
  3. Third-party cookies used in the authentication process

    The platform uses authentication through Autenticacao.Gov / Chave Móvel Digital (CMD). During this process, additional cookies may be set by the domain autenticacao.gov.pt. These cookies are not managed by the platform; they are strictly necessary for the operation of electronic authentication and expire in accordance with the service provider’s settings.

2.2 Preference Cookies

These cookies allow user settings to be stored, improving the usability of the platform, such as:

  • User preferences
  • Language settings
  • Interface customisation

2.3 Analytics, Performance and Statistics Cookies

These cookies help analyse the use of the platform and contribute to the continuous improvement of the service. They collect anonymised data, including:

  • Usage statistics
  • Performance analysis
  • Navigation patterns

No cookies are used for external advertising or the creation of commercial profiles.

3. Consent

When accessing the platform, users may accept or refuse non-essential cookies via the cookie management banner.

Strictly necessary cookies are automatically enabled for operational and security reasons.

By registering as a UAS operator, the user accepts the use of the essential cookies defined in this policy.

4. Cookie Management

Users may configure their browser to:

  • Block all cookies
  • Accept only essential cookies
  • Delete existing cookies

Disabling essential cookies may affect the proper functioning of the platform.

5. Third-party Cookies

Some cookies may be placed by external services used by the platform, namely:

  • Electronic authentication systems (Autenticacao.gov)
  • Analytical tools, where applicable
  • Integrated services (e.g. maps, forms, interface components)

These cookies are governed by the policies of the respective entities.

6. Changes to the Cookie Policy

This policy may be updated periodically. The date of the most recent update will always be indicated on the platform.

7. Contact

For questions related to cookies, please contact: geral@anac.pt or epd@anac.pt

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