§ 61-41 Airport Reference Point, Established Elevation and Specified Radii
ZR § 61-41
The airport reference point (or points), established airport elevation, and radii for the horizontal and conical surfaces for each such major airport shall be established as set forth in the following table:
APPLICATION TO MAJOR AIRPORTS
Airport Reference Points(s)
LaGuardia
John F. Kennedy International
U.S. Naval Air Station (Floyd Bennett Field)
Primary point:
North Latitude
40° 46’29.0"
40° 38’19.4"
40° 35’33.0"
West Longitude
73° 52’20.0"
73° 46’21.8"
73° 53’27.5"
Secondary Point:
-
40° 38’57.9"
73° 47’47.9"
Established airport elevation (feet above mean sea level)
20
12
15
Horizontal surface radius, measured in feet from airport reference point(s)
10,000
13,000
11,500
Conical surface radius, measured in feet from airport reference point(s)
15,000
20,000
18,500













