14 CFR Ch. I (1-1-19 Edition) (3) Figure H3 illustrates portions of the measured and reference approach flight paths including the significant geometrical relationships influencing sound propagation. The measured approach path is represented by segment EK with an approach allowable angle q. Reference positions, Er and Kr, define an idealized reference approach angle of 6Section. 828 VerDate Sep<11>2014 12:50 Apr 30, 2019 Jkt 247046 PO 00000 Frm 00838 Fmt 8010 Sfmt 8002 Y:\SGML\247046.XXX 247046 ER02JN04.002 spaschal on DSK3GDR082PROD with CFR Pt. 36, App. H