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Cookie Policy

This Cookie Policy was last updated on July 14, 2026 and applies to citizens and legal permanent residents of the United Kingdom.

1. Introduction

Our website, https://stc21.co.uk (hereinafter: "the website") uses cookies and other related technologies (for convenience all technologies are referred to as "cookies"). Cookies are also placed by third parties we have engaged. In the document below we inform you about the use of cookies on our website.

2. What are cookies?

A cookie is a small simple file that is sent along with pages of this website and stored by your browser on the hard drive of your computer or another device. The information stored therein may be returned to our servers or to the servers of the relevant third parties during a subsequent visit.

3. What are scripts?

A script is a piece of program code that is used to make our website function properly and interactively. This code is executed on our server or on your device.

4. What is a web beacon?

A web beacon (or a pixel tag) is a small, invisible piece of text or image on a website that is used to monitor traffic on a website. In order to do this, various data about you is stored using web beacons.

5. Cookies

5.1 Technical or functional cookies

Some cookies ensure that certain parts of the website work properly and that your user preferences remain known. By placing functional cookies, we make it easier for you to visit our website. This way, you do not need to repeatedly enter the same information when visiting our website and, for example, the items remain in your shopping cart until you have paid. We may place these cookies without your consent.

5.2 Statistics cookies

We use statistics cookies to optimize the website experience for our users. With these statistics cookies we get insights in the usage of our website. We ask your permission to place statistics cookies.

5.3 Marketing/Tracking cookies

Marketing/Tracking cookies are cookies or any other form of local storage, used to create user profiles to display advertising or to track the user on this website or across several websites for similar marketing purposes.

5.4 Social media

On our website, we have included content from LinkedIn to promote web pages (e.g. “like”, “pin”) or share (e.g. “tweet”) on social networks like LinkedIn. This content is embedded with code derived from LinkedIn and places cookies. This content might store and process certain information for personalized advertising.

LinkedIn are located in the United States.

6. Placed cookies

Elementor

Statistics (anonymous)

Usage

We use Elementor for content creation. Read more about Elementor

Sharing data

This data is not shared with third parties.

Statistics (anonymous)

Name
elementor
Expiration
persistent
Function
Store performed actions on the website

WordPress

Functional

Usage

We use WordPress for website development. Read more about WordPress

Sharing data

This data is not shared with third parties.

Functional

Name
wpEmojiSettingsSupports
Expiration
session
Function
Store browser details
Name
wp-settings-*
Expiration
persistent
Function
Store user preferences
Name
wp-settings-time-*
Expiration
1 year
Function
Store user preferences
Name
wordpress_logged_in_*
Expiration
persistent
Function
Store logged in users

Google Analytics

Statistics

Usage

We use Google Analytics for website statistics. Read more about Google Analytics

Sharing data

For more information, please read the Google Analytics Privacy Statement.

Statistics

Name
_ga
Expiration
2 years
Function
Store and count pageviews
Name
_ga_*
Expiration
1 year
Function
Store and count pageviews

Complianz

Functional

Usage

We use Complianz for cookie consent management. Read more about Complianz

Sharing data

This data is not shared with third parties. For more information, please read the Complianz Privacy Statement.

Functional

Name
cmplz_functional
Expiration
365 days
Function
Store cookie consent preferences
Name
cmplz_statistics
Expiration
365 days
Function
Store cookie consent preferences
Name
cmplz_preferences
Expiration
365 days
Function
Store cookie consent preferences
Name
cmplz_marketing
Expiration
365 days
Function
Store cookie consent preferences
Name
cmplz_banner-status
Expiration
365 days
Function
Store if the cookie banner has been dismissed
Name
cmplz_policy_id
Expiration
365 days
Function
Store accepted cookie policy ID
Name
cmplz_consented_services
Expiration
365 days
Function
Store cookie consent preferences

Google Fonts

Marketing

Usage

We use Google Fonts for display of webfonts. Read more about Google Fonts

Sharing data

For more information, please read the Google Fonts Privacy Statement.

Marketing

Name
Google Fonts API
Expiration
expires immediately
Function
Read user IP address

Google reCAPTCHA

Marketing

Usage

We use Google reCAPTCHA for spam prevention. Read more about Google reCAPTCHA

Sharing data

For more information, please read the Google reCAPTCHA Privacy Statement.

Marketing

Name
rc::c
Expiration
session
Function
Read and filter requests from bots
Name
rc::b
Expiration
session
Function
Read and filter requests from bots
Name
rc::a
Expiration
persistent
Function
Read and filter requests from bots

Google Maps

Marketing

Usage

We use Google Maps for maps display. Read more about Google Maps

Sharing data

For more information, please read the Google Maps Privacy Statement.

Marketing

Name
Google Maps API
Expiration
expires immediately
Function
Read user IP address

LinkedIn

Functional, Marketing, Statistics, Preferences

Usage

We use LinkedIn for display of recent social posts and/or social share buttons. Read more about LinkedIn

Sharing data

For more information, please read the LinkedIn Privacy Statement.

Functional

Name
sdsc
Expiration
session
Function
Provide load balancing functionality
Name
li_gc
Expiration
6 months
Function
Store cookie consent preferences
Name
BizographicsOptOut
Expiration
10 years
Function
Store privacy preferences

Marketing

Name
lms_ads
Expiration
30 days
Function
Store and track visits across websites
Name
_guid
Expiration
90 days
Function
Store and track a visitor's identity
Name
li-oatml
Expiration
1 month
Function
Provide ad delivery or retargeting
Name
li_sugr
Expiration
90 days
Function
Store and track a visitor's identity
Name
UserMatchHistory
Expiration
30 days
Function
Provide ad delivery or retargeting

Statistics

Name
lms_analytics
Expiration
30 days
Function
Store and track a visitor's identity
Name
AnalyticsSyncHistory
Expiration
30 days
Function
Store and track visits across websites

Preferences

Name
li_alerts
Expiration
1 year
Function
Store if a message has been shown
Name
bcookie
Expiration
1 year
Function
Store browser details
Name
lidc
Expiration
1 day
Function
Provide load balancing functionality
Name
bscookie
Expiration
1 year
Function
Store logged in users

Miscellaneous

Purpose pending investigation

Usage

Sharing data

Sharing of data is pending investigation

Purpose pending investigation

Name
ldcsv
Expiration
Function
Name
__mp_opt_in_out_*
Expiration
Function
Name
shopifySelectors
Expiration
Function
Name
e_kit-elements-defaults
Expiration
Function
Name
debug
Expiration
Function
Name
adobeCleanFontAdded
Expiration
Function
Name
*_state
Expiration
Function
Name
WP_DATA_USER_2
Expiration
Function
Name
sgs-token-login-*
Expiration
Function
Name
plausible_ignore
Expiration
Function
Name
a223a60d_wp_ai_studio_invalidation
Expiration
Function
Name
mp_tab_id_mixpanel_150605b3b9f979922f2ac5a52e2dcfe9
Expiration
Function

7. Consent

When you visit our website for the first time, we will show you a pop-up with an explanation about cookies. As soon as you click on "Save preferences", you consent to us using the categories of cookies and plug-ins you selected in the pop-up, as described in this Cookie Policy. You can disable the use of cookies via your browser, but please note that our website may no longer work properly.

7.1 Manage your consent settings

You have loaded the Cookie Policy without javascript support. On AMP, you can use the manage consent button on the bottom of the page.

8. Enabling/disabling and deleting cookies

You can use your internet browser to automatically or manually delete cookies. You can also specify that certain cookies may not be placed. Another option is to change the settings of your internet browser so that you receive a message each time a cookie is placed. For more information about these options, please refer to the instructions in the Help section of your browser.

Please note that our website may not work properly if all cookies are disabled. If you do delete the cookies in your browser, they will be placed again after your consent when you visit our website again.

9. Your rights with respect to personal data

You have the following rights with respect to your personal data:

  • You have the right to know why your personal data is needed, what will happen to it, and how long it will be retained for.
  • Right of access: You have the right to access your personal data that is known to us.
  • Right to rectification: you have the right to supplement, correct, have deleted or blocked your personal data whenever you wish.
  • If you give us your consent to process your data, you have the right to revoke that consent and to have your personal data deleted.
  • Right to transfer your data: you have the right to request all your personal data from the controller and transfer it in its entirety to another controller.
  • Right to object: you may object to the processing of your data. We comply with this, unless there are justified grounds for processing.

To exercise these rights, please contact us. Please refer to the contact details at the bottom of this Cookie Policy. If you have a complaint about how we handle your data, we would like to hear from you, but you also have the right to submit a complaint to the supervisory authority (the Information Commissioner's Office (ICO)).

10. Contact details

For questions and/or comments about our Cookie Policy and this statement, please contact us by using the following contact details:

STC Twenty One Ltd.
1290 London Rd, Alvaston, Derby DE24 8QP, UK
United Kingdom
Website: https://stc21.co.uk
Email: info@ex.comstc21.co.uk
Phone number: +44 1332 576830

This Cookie Policy was synchronised with cookiedatabase.org on July 14, 2026.

Modifications Search

Modifications Search

Search over a thousand projects undertaken by STC Twenty One, to see if we already have a design that would suit your needs or to see what other modifications could be of use to your fleet.

Simply enter the aircraft type you have or a keyword that describes the type of modification you plan on adding to your aircraft, such as “life vests” or “lighting”  and see what we have on file.

Then get in touch to see how we can help.

UK CAA Approved Design Organisation

All aircraft modifications and aircraft repairs are managed by our UK CAA approved Design Office represented by STC Twenty One (UK.21J.0198).

Learn More

Aerospace Engineering Services

Contact Information

For more information or to arrange a meeting with our expert team, don’t hesitate to reach out.

Feel free to give us a call at +44 (0) 1332 576830

or send us an email at info@stc21.co.uk

You can find us at

100 Nottingham Road, Spondon, Derby, DE21 7NP

We’re here to assist you with any enquiries or requirements you may have. Your journey starts with a simple conversation. Contact us today.

Get In Touch

STC Twenty One Ltd.

info@stc21.co.uk

+44 (0) 1332 576830

100 Nottingham Road, Spondon, Derby, DE21 7NP

© STC Twenty One Ltd.

Company Registration Number 04765746
(England and Wales)

Site Credits: Author Studios

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