0000950134-01-508446 10-Q 2 20010930 20011114 PETROLEUM HELICOPTERS INC 0000350403 4522 720395707 LA 1231 10-Q 34 000-09827 1785544 2121 AIRLINE DRIVE SUITE 400 P O BOX 578 METAIRIE LA 70001-5979 5048283323 113 BORMAN DRIVE LAFAYETTE LA 70508 10-Q 1 d92220e10-q.txt FORM 10-Q FOR QUARTER ENDED SEPTEMBER 30, 2001 EX-3.1(II) 3 d92220ex3-1ii.txt BY-LAWS OF THE COMPANY AS AMENDED