0001035704-03-000198 8-K 2 20030331 7 9 20030401 PETROLEUM HELICOPTERS INC 0000350403 4522 720395707 LA 1231 8-K 34 000-09827 03633525 2001 SE EVANGELINE THRUWAY - LAFAYETTE LA 70508 - PO BOX 90808 LAFAYETTE LA 70509 8-K 1 d04563e8vk.txt FORM 8-K EX-99.1 3 d04563exv99w1.txt EX-99.1 PRESS RELEASE DATED MARCH 31, 2003