Frequently Asked Questions

Here we try to answer questions that are frequently asked. If you do not find the answer to your question just Ask by Mail.

What is WELT2000?

WELT2000 is a database which holds world-wide data for airfields and out-landing sites. Additionally there is a program for managing the data. Database and program are free of charge! This means that they can be used and passed onto without charge. They may also be integrated into commercial products as long as one adheres to a few simple rules. The WELT2000 database is included into their products by many device and software manufacturers. If you are involved with avaiation sports you have probably already used the data.

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Which Data are in the Database?

Currently the database contains information of airfields, gliding sites, ultralight flieds and landing-out strips. Basic data are coordinates and elevation as well as runway orientation, the length and the surface type. If there is an allocated radio frequency and an ICAO-Code these are also included.
The database structure is described in the "Database Format Specification" which is available in the download area.

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Why Are you Doing This?

Because one requires correct geodata for safe and stress-free flying and that a database such as WELT2000 would be otherwise not be available - not for love nor money! Other databases restrict themselves to single countries (e.g. Christian Hynek's SIP) or omit airfields relevant to aviation sports (e.g. the aviation authorities databases) or they are restricted to specific types of information (e.g. out-landing catalogue or the DULV database).

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Who is Michael-Lorenz Meier and what is MILOMEI?

Michael-Lorenz Meier was a glider pilot from Boberg near Hamburg who, at the start of the 1990s, began to systematically gather coordinates of airfields and waypoints within Germany and to manage these with a program that he wrote. MILOMEI is the abbreviation that Michael chose which he used for some of his projects as a "Branding". The WELT2000 project was known outside the borders of Germany and since it was easier to pronounce MILOMEI in other languages, MILOMEI bacame a synonym for the project.

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How can I Contribute?

The most important activity is supplying data for the database since without the knowledge of local aviation enthusiasts, who are informed about changes to airfields, the project would not be able to continue. There are many additional things that need to be done.

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How can I Load the Data into my Navigation Device?

Currently our help here is limited and we have to refer you to the manufacturers of the various devices. We do provide Michel's program to create device and program-specific formats but we are unable to supply support for it, modify it or offer various programs. Only the owners of GarminĀ© devices profit from the fact that Michael owned a GARMINĀ©-GPS device which he included in the WELT2000 program functions as well as instructions for data transfer.

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