TRUMBULL-– National Helicopter Services Ltd. (NHSL), a leading Sikorsky S-76® helicopter operator, is expanding operations with its first two S-76D™ aircraft in Guyana, a continuation of the significant growth of Sikorsky and Lockheed Martin in Latin America. NHSL has operated Sikorsky helicopters for nearly 40 years, providing offshore transport services to the oil-and-gas sector and […]