United States, March 11 -- Sikorsky, a Lockheed Martin company, unveiled the highly anticipated S-92(R) Phase IV main gearbox, a transformative innovation that sets a new benchmark for reliability, performance and safety in the commercial helicopter industry.The S-92 Phase IV main gearbox features an auxiliary lubrication system that automatically engages in the event of primary oil pressure loss, eliminating the need for immediate landing and allowing operators to safely reach their destination. This revolutionary solution has been validated through more than 800 hours of rigorous testing, and Federal Aviation Administration (FAA) certification is anticipated in 2025. Four gearboxes have been completed at the company's Stratford headquarte...