14 CFR Ch. I (1-1-19 Edition) (2) Figure H2 illustrates comparative flyover profiles when test conditions do not conform to prescribed reference conditions. The position of the helicopter shall be re- corded for a distance (DJ) sufficient to ensure recording of the entire interval during which the measured helicopter noise level is 826 VerDate Sep<11>2014 12:50 Apr 30, 2019 Jkt 247046 PO 00000 Frm 00836 Fmt 8010 Sfmt 8002 Y:\SGML\247046.XXX 247046 ER02JN04.001 spaschal on DSK3GDR082PROD with CFR Pt. 36, App. H