Publication: Magyar Közlöny
Issue: MK-2007-70 (Year: 2007, Number: 70)
Era: 2004-2010
Section: Melléklet a 2007. évi XLVI. törvényhez
Paragraph Index: 5548

b) an upper edge located at a specified height above the inner horizontal surface. 4.1.3 The slope of the conical surface shall be measured in a vertical plane perpendicular to the periphery of the inner horizontal surface. Inner horizontal surface 4.1.4 Description.— Inner horizontal surface. A surface located in a horizontal plane above an aerodrome and its environs. 4.1.5 Characteristics.— The radius or outer limits of the inner horizontal surface shall be measured from a reference point or points established for such purpose. Note.— The shape of the inner horizontal surface need not necessarily be circular. Guidance on determining the extent of the inner horizontal surface is contained in the Airport Services Manual (Doc 9137), Part 6. 4.1.6 The height of the inner horizontal surface shall be measured above an elevation datum established for such purpose. Note.— Guidance on determining the elevation datum is contained in the Airport Services Manual (Doc 9137), Part 6. Approach surface 4.1.7 Description.— Approach surface. An inclined plane or combination of planes preceding the threshold. 4.1.8 Characteristics.— The limits of the approach surface shall comprise:

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