871 

Federal Aviation Administration, DOT 

§ 171.313 

(1) Horizontally within a sector 

±

40 

degrees about the runway centerline 
originating at the back azimuth 
ground equipment antenna and extend-
ing in the direction of the missed ap-

proach at least to 20 nautical miles 
from the runway stop end. The min-
imum proportional guidance sector 
must be 

±

10 degrees about the runway 

centerline. Clearance signals must be 

VerDate Sep<11>2014 

08:20 May 17, 2019

Jkt 247048

PO 00000

Frm 00881

Fmt 8010

Sfmt 8010

Y:\SGML\247048.XXX

247048

EC15SE91.016</GPH>