0000899243-97-001888 424B3 1 19970930 NASD OFFSHORE LOGISTICS INC 0000073887 4522 720679819 DE 0630 424B3 33 333-23355 97688194 224 RUE DE JEAN PO BOX 5C LAFAYETTE LA 70505 3182331221 224 RUE DE JEAN 70508 PO BOX 5C LAFAYETTE LA 70505 424B3 1 000089924397001888-001-seq1-424b3.txt SUPPLEMENT #3