The terms of service for any business related to define the legal frame of any arrangement between you (as customer) and us (Uraster GmbH) and have to be accepted prior to using the software.


Software:, including its source code, documentation, text, images and other resources.

Service: The service provided to you by us, including hosting of the software, providing access to it through the internet and providing support.

Subscription: A subscription is a charged or uncharged, always temporary arrangement, that authorizes you as a user access to a set of functionalities on The extent of this set is defined by the type of subscription. (refer to section licenses)

Scope: These legal and business terms are valid for all services or products that are connected with which is a platform operated and legally represented by Uraster GmbH, Luegislandstrasse 31, 8051 Zurich.

General Usage

Any use of the software other than intended by us is not allowed. This includes but is not limited to reverse engineering, intentionally abusing or overloading the service, misuse of the software or the data provided by it. Further use of any resources such as text, images, parts of the software or data is not allowed except for serving the purpose of the service. Any form of commercial use needs to be requested and approved by Uraster GmbH in all cases.

The user login is personal and must not be used by anyone but the subscribing person. The user is responsible for the content and correctness of any data fed to the system.

By signing up you accept the usage of cookies (both from as well as other third party systems like Google Analytics) to improve your experience when using our services.

We do not provide your personal data to any third party, with the exception of login data for external systems which is used exclusively to login in these systems.

We receive and save some personal data from third parties, especially payment systems like PayPal. We save this data as required by Swiss law for accounting and tax verification purposes.

Conclusion of Contract, Prices and Payment

A contract is concluded either if you explicitly accept an offer from us, or implicitly by using our software or any related services we offer.

All prices are given in Swiss Francs CHF, as long as not specified otherwise. Taxes are in general not included in the prices, except stated explicitly. Prices might be changed by us for any reasons such as enhanced functionalities or the like. When buying subscriptions, services or products the actually valid and (on listed prices are mandatory.

Subscriptions are in general paid for in advance with an electronic payment technology such as PayPal, credit card, TWINT or similar providers. By using these payment types you also accept the legal and business terms of the respective providers.

Any other services are either charged via invoice or payment in advance. We can without having to justify require payment in advance. You may not directly set any demands from your side off against invoices from our side.

Invoices are to be paid within 30 days from the date of the invoice, otherwise the service or product can be held back and appropriate measures will be invoked by us.

With the acceptance of this terms you guarantee that you are legally permitted to do so and to fulfill all requirements in all conscience. This includes being of age greater than 18, having all necessary permissions and any business relevant information being true.

Subscriptions and License Usage

As defined above, the access to the functionalities of is granted by means of subscriptions. There is at least one free (basic) version and one charged (premium) version. A version is defined as a set of accessible functionalities. A subscription is always temporary restricted and connected to such a set of functionalities. In the case of the basic version, there are no guarantees for any features, thus, we can include or remove any functionalities at any time.

In the case of a charged subscription, the functionalities available at the date of contract conclusion are guaranteed. Additional features might (but don’t have to) be included during the lifetime of your subscription.

Using any subscription, never mind of charged or uncharged, describes the conclusion of a contract.

Privacy Policy

All your data such as profile, flight and license information is stored safely in a professional data center located in Zurich, Switzerland and backed up in a different data center in Switzerland.

Uraster GmbH will never give any of your data to third parties except absolutely necessary or required by law. For instance, it is required to forward some information to the payment provider when subscribing to our services. No data about your credit card or PayPal is collected on our servers.

We may at times send you newsletters or important information about updates or changes to the software and service. You can opt out of such communication except for cases which contain information essential for your privacy and service usage. Data might be used anonymously for statistics which are published or made available for third parties.

Returns and Refunds

For purchases of annual subscriptions you may change your mind within 14 days of making the purchase, and we will refund the full cost of the subscription upon request as long as you let us know your reasons.

For purchases of monthly subscriptions you may change your mind within 7 days of making the purchase, and depending upon whether you have used the service we will offer a proportionate refund for time you haven't used.

Such refunds will not affect your existing or future subscriptions, nor the possibilities to purchase subscriptions in the future. However, a following refund will not be made for at least the duration of a cancelled subscription.


External data such as registry of aircrafts or airports, laws concerning currency or validity is collected from trusted sources only. However, it is not possible to guarantee correctness of the data.

Since Uraster GmbH is operating from Zurich, we focus on Swiss laws and environment a priori and hence any transfer to other continents or countries needs special monitoring. Major data sources are the European Aviation Safety Agency (EASA) and the Federal Office of Civil Aviation (FOCA).

To the extent permitted by law, we disclaim all other warranties with respect to our software and service, either express or implied, including (but not limited to) any implied warranties of merchantability or fitness for any particular purpose.


This software is an aid to log flight information and keep track of currencies and license expirations. All calculations are based on the data you enter and can be valid if this data is correct.

Even though Uraster GmbH makes huge efforts to provide a bug free and reliable service, be aware of residual risk. As a pilot you remain responsible to fulfill all international, national and local requirements. All data in is provided for information only and has to be verified in order to safely conduct a flight. Uraster GmbH is not responsible for any damage to persons or property.

Uraster GmbH shall not be liable for any loss or damage whatsoever caused directly or indirectly in connection with usage of our service, except to the extent that such liability may not be lawfully excluded. In the event that any clause in these terms shall be held to be invalid for any reason and we become liable for loss or damage that may lawfully be limited, such liability shall be limited to the fee paid by you for your subscription.

Uraster GmbH shall not be liable for death or personal injury resulting from the use of our service.


We may terminate your subscription without notice if you are found to be in breach of any of these terms and do not take steps to promptly remedy the breach. In the event of such termination no refund will be offered.


You agree that these terms shall be construed in accordance with Swiss law. The court in Zurich, Switzerland is responsible since the registered office of Uraster GmbH is here. We explicitly exclude The United Nations Convention on Contracts for the International sale of goods (SR