0001127602-15-018845 4 1 20150526 20150528 20150528 Bristow Group Inc 0000073887 4522 720679819 DE 0331 2103 CITY WEST BLVD. 4TH FLOOR HOUSTON TX 77042 7132677600 2103 CITY WEST BLVD. 4TH FLOOR HOUSTON TX 77042 OFFSHORE LOGISTICS INC 19920703 Baliff Jonathan 0001434006 4 34 001-31617 15896359 211 CARNEGIE CENTER PRINCETON NJ 08540 4 1 form4.xml PRIMARY DOCUMENT