[Code of Federal Regulations]

[Title 14, Volume 2]

[Revised as of January 1, 2006]

From the U.S. Government Printing Office via GPO Access

[CITE: 14CFR77.29]



[Page 189]

 

                     TITLE 14--AERONAUTICS AND SPACE

 

CHAPTER I--FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION 

                               (CONTINUED)

 

PART 77_OBJECTS AFFECTING NAVIGABLE AIRSPACE--Table of Contents

 

                     Subpart C_Obstruction Standards

 

Sec. 77.29  Airport imaginary surfaces for heli ports.



    (a) Heliport primary surface. The area of the primary surface 

coincides in size and shape with the designated take-off and landing 

area of a heliport. This surface is a horizontal plane at the elevation 

of the established heliport elevation.

    (b) Heliport approach surface. The approach surface begins at each 

end of the heliport primary surface with the same width as the primary 

surface, and extends outward and upward for a horizontal distance of 

4,000 feet where its width is 500 feet. The slope of the approach 

surface is 8 to 1 for civil heliports and 10 to 1 for military 

heliports.

    (c) Heliport transitional surfaces These surfaces extend outward and 

upward from the lateral boundaries of the heliport primary surface and 

from the approach surfaces at a slope of 2 to 1 for a distance of 250 

feet measured horizontally from the centerline of the primary and 

approach surfaces.



[Doc. No. 1882, 30 FR 1839, Feb. 10, 1965, as amended by Amdt. 77-9, 36 

FR 5971, Apr. 1, 1971; 36 FR 6741, Apr. 8, 1971]