X0101 EFFECT 33 LIVE 2019-08-19 0001193125-19-220488 POS AM 0000350403 PHI INC 333-170915 0001172103 PHI SERVICES INC 333-170915-10 0001172108 PHI AIR MEDICAL LLC 333-170915-08 0001172106 HELICOPTER MANAGEMENT LLC 333-170915-06 0001172105 HELICOPTER LEASING LLC 333-170915-05 0001367514 HELEX, L.L.C. 333-170915-04 0001367526 Sky Leasing, L.L.C. 333-170915-03 0001503093 Vertilease, LLC 333-170915-02 0001503095 Leasing Source, LLC 333-170915-01