Introductory address.- Introduction to the Advanced Research Workshop: 'New Magnetic Field in Data in the Former Yugoslav Republic of Macedonia for Enhanced Flying and Airport Safety'; J.L. Rasson.- Geomagnetic field of the Republic of Macedonia; T. Delipetrov and B. Paneva.- Geomagnetic field Measurements at Magnetic repeat stations in former Yugoslavia; S. Mihajlovic et al.- Field and Observatory Geomagnetic Measurements in Bulgaria; I.A. Butchvarov, I.V. Cholakov.- On The Modeling of A Geomagnetic Reference Field for the Balkan Region; B. Duka et al.- Repeat surveys of Macedonia; J. Rasson and M. Delipetrov.- Nature of Earth's Magnetic Field and its Application for commercial flight navigation; R. Cop, D. Fefer.- Geomagnetic Observations in Turkey; C. Celik et al.- Croatian Geomagnetic Repeat Stations Network; M. Brkic et al.- Geomagnetic instrumentation for repeat station survey; V. Korepanov.- Problems of supply in DI-flux instruments; L. Hegymegi.- Development of an Automatic DI-Magnetometer; S. van Loo and J.L. Rasson.- New magnetic materials; S. Stojmenov.- Progress and Limitations in magnetic Field Measurements; N. Novkovski.- Geomagnetic measurements for Aeronautics; J.L. Rasson.- Measurement of the geomagnetic Declination on the Airports in Bulgaria; I. Cholakov.- Airport Geomagnetic Surveys in the United States; A. Berarducci.- Magnetic Repeat station network in Italy and magnetic measurements in heliports and airports; G. Dominici and A. de Santis.- Airport conditions in Macedonia: Seismic Risks; L. Pekevski.- Nonlinear techniques for short term prediction of the geomagnetic field and its secular variation; A. De Santis R.Tozzi.- Spherical Cap Harmonic Analysis of the geomagnetic Field with application for aeronautical Mapping; J. Miquel Torta et al.- Activities completed toward establishing a geomagnetic observatory in the Republic of Macedonia; M. Delipetrov.- Analysis of geomagnetic field data from measurements in 2003 Macedonia; S. Panovska, T.Delipetrov.-Understanding the geomagnetic field a precondition for better living; J. Zivanovic, S. Stavreva-Veselinovska.- Postface.- Addresses of Authors.- Subject index.