Section 172.427 49 CFR Ch. I (10-1-18 Edition) VerDate Sep<11>2014 16:41 Oct 31, 2018 Jkt 244226 PO 00000 Frm 00428 Fmt 8010 Sfmt 8006 Q:\49\49V2.TXT PC31 ER29DE06.000 418