Skip to main content
Skip to main content


Skip to main content


Skip to main content


Projekt "Observer" von Airconcept. Ansicht des für den Langsamflug entworfenen Flugzeugs.

Project "Observer" by Airconcept - aircraft designed for low-speed flight

Projekt "Observer" von Airconcept. Blick in das Cockpit.

View into the cockpit

Projekt "Observer" von Airconcept.  Blick auf das für den Langsamflug entworfene Flugzeug

Slow flying is beautiful! Open a PDF with more infomrations by clicking on the image.

Presentation of the all new AIRCONCEPT-OBSERVER, UL-600kg-Class.

Congratulations to BOCHUM-SOLARCAR-TEAM on their success at the WORLD-SOLAR-CHALLENGE-2017 in Australia! Well done!

Congratulations to BOCHUM-SOLARCAR-TEAM on their roll-out of the all new SOLARCAR-2017 – AMAZING!

Mock-Up-Making of front-car; rear-car; cockpit for plastic-exhibition ‘K’.

Airconcept does the toolmaking for the carriage-parts.

Shaped material of extremely high abrasive plastics!

Development and production of aerodynamic enhanced carbon parts for air-cooled 911.

Such as: front-bumper; rear-bumper; front-hood; engine-hood. (plus a multitude of tech. aluminium-components)


Congratulations to BOCHUM-SOLARCAR-TEAM on their success at the WORLD-SOLAR-CHALLENGE-2015 in Australia! Well done!

AIRCONCEPT starts stiffy-webshop.

Go to stiffy-webshop

AIRCONCEPT starts Cooperation with EXTI-SHELTER.

You want more information?  Send to:

HOCHSCHULE BOCHUM laminates first 2015-SOLAR-CAR-parts in AIRCONCEPT-Enterprises.

JECcomposites reports about cooperation between AIRCONCEPT with RWTH.

Maiden-Flight AIRCONCEPT-STOL-Wing

AIRCONCEPT shows STOL-Wing at AERO in Friedrichshafen.

300,000 visitors.
110,000 square meters.
18 halls.

The Essen Motor Show 2010 offered highlights for tuning and motorsport fans. And in the middle of the Stars : The Lion, a high-performance sports car in new technology.

The ARJEPLOG TIMES reports about BLACK MOLLY on ice.

Skip to main content


50°41'55.79"N   6°39'38.09'


Krefelder Str. 4
d-53909 Zuelpich

+ 49 2252 8380 180

Skip to main content


Skip to main content

Terms & Conditions & Data Privacy Policy

All information given on our website has been carefully researched and checked. We endeavor to continuously expand and update it. However, although we make every effort to ensure the accuracy of the statements, we do not guarantee their completeness and correctness.

Responsible for content:
Heinrich Viethen

TAX ID: DE 273684425

© 2014 Heinrich Viethen.
All rights reserved, i.e., all content of this website is copyright protected and may only be used with permission.

Heinrich Viethen is not responsible for information, opinions and recommendations on websites that can be reached via links on this website and assumes no liability or warranty for the contents on pages of third-party providers.



Krefelder Straße 4

D-53909 Zuelpich


Telefon: +49 2252 8380 180

Vertretungsberechtigter Geschäftsführer

Heinrich Viethen


Amtsgericht Bonn


HRB 18202

Umsatzsteuer-Identifikationsnummer gemäß § 27 a Umsatzsteuergesetz



EORI-Nummer: DE1193708



IBAN: DE10 38250110 000 1589860


Data Privacy Policy
The operators of this website take the protection of your personal data very seriously. We treat your personal data confidentially and according to the legal data protection regulations and this Privacy Policy.
The use of our website is generally possible without providing personal data. Personal data, such as names, addresses or email addresses, are always provided on a voluntary basis when possible. Those data will not be passed on to third parties without your explicit permission.
However, we would like to point out that data transmissions via internet (e.g email communication) cannot be entirely secure and may have security vulnerabilities. A complete protection of personal details against unauthorised access by third parties is not possible.

This website partially uses so-called cookies. Cookies do not cause damage to your computer and do not contain viruses. Cookies allow us to make our product more user-friendly, more efficient and more secure. Cookies are small text files, stored by your browser on your computer.
Most cookies that we use are so-called ""session cookies"". They will be deleted automatically after the end of your visit. Other cookies remain on your terminal device until you delete them. Those cookies enable us to recognise your browser on your next visit.
You can adjust your browser to inform you when cookies are placed, to individually allow cookies, or to generally exclude cookies in certain cases, as well as to activate the automatic deletion of cookies when closing the browser. The deactivation of cookies may impair the functionality of this website.

Google Analytics
This website uses Google Analytics, a website analysis service by Google Inc., 1600 Amphitheatre Parkway Mountain View, CA 94043, USA.
Google Analytics uses so-called ""cookies"", text files that are stored on your computer to analyse your use of the website. The information generated by the cookie about your use of this website is usually sent to and stored at a Google server in the U.S.A.


Browser Plugin
You may prevent the installation of cookies by adjusting the settings of your browser; however, if you do so, you may be unable to use all features of this website. Further, you may prevent the collection of data generated by cookies (including your IP address) and related to the use of these websites, as well as the processing of such data by Google, by downloading and installing the plug-in under the following link: 


Objection to Data Collection
You may prevent the collection of data by Google Analytics by clicking the following link. In doing so, an Opt-Out-Cookie will be placed which prevents future data collection when visiting our website:

You will find more information concerning the treatment of user data by Google Analytics in Google's Privacy Policy:


Processing of Order Data
We have entered into a contract with Google concerning the processing of order data and fully comply with the strict provisions of German Data Protection Authorities when using Google Analytics.

We use the function ""Activate IP anonymisation"". Through this, your IP address will be shortened in advance within the member states of the European Union or other contractual states of the Treaty on the European Economic Area. Only in exceptional cases, your complete IP address will be transmitted to a server in the U.S.A. and shortened there. Commissioned by the operators of this website, Google will use this information to evaluate your use of the website, to compile reports on website activities for website operators and to provide other services related to website and internet activities. Google will not merge your IP address with any other data held by Google.

Right to Information, Deletion, Blocking
You have the right to be informed about your personal data, their origin and recipients, and the purpose of data processing, as well as the right to correct, block or delete those data at any time and free of charge. For further questions, and questions concerning personal data, feel free to contact us under the address published in the impressum/legal notice.

The provider of these websites automatically collects and stores information in so-called server log files which your browser automatically transmits to us, such as:

  • browser type/version
  • used operating system
  • referrer URL
  • host name of the accessing computer
  • time of query

Those data cannot be associated with individual persons. We do not merge this data with other sources. We reserve the right to retrospectively check the data if there is any indication of illegal use.

Processing of data (customer data and contract data)
We collect, process and use personal data only as far as necessary for the establishment of, content-related arrangement of, or change of, the legal relationship (personal data). We only collect, process and use personal data about the use of our websites (usage data) insofar as it is necessary to establish or invoice the use of the service.

Objection to commercial mails
Providers are obligated to publish contact information in the Legal Notice/Impressum. The use of such contact information by third parties for the purpose of distributing unsolicited advertisements or other commercial information is prohibited. The operators of this website reserve the right to take legal measures against senders of unsolicited commercial information, e.g. spam emails etc.

Our website uses plugins from the Google-operated website YouTube. The provider of the website is YouTube, LLC, 901 Cherry Ave., San Bruno, CA 94066, USA. If you visit one of our websites with an embedded YouTube-plugin, a connection to YouTube servers will be established. Information about which of our websites you have visited will then be transmitted to the YouTube server.
If you are logged on to your YouTube account, you allow YouTube to associate your browsing behaviour with your personal profile. You may prevent this by logging out of YouTube.
You will find further information concerning the treatment of user data in the YouTube Privacy Policy under:

Source: eRecht24

This website uses cookies. We use cookies to give you the best experience on our website. By continuing to use the site you agree to our use of cookies. DATA PRIVACY POLICY