sentences:  By the 1980s, Bristow had entirely phased out the Wessexes; the bulk of its fleet came to consist of Bell 206s, Bell 212s, and Sikorsky S-76s, amongst other types, during this period.Bristow was in fact the first European operator to adopt the Sikorsky S-76 into commercial service.The company also played a leading role in the development of the Aérospatiale Super Puma, having consulted with Aerospatiale to shape its design for the oil and gas market.