modal777Variant: LaunchFirst flht: Production end : Boeing 777-200: 1990 1994: Production: 25 (2019) Deliveries, all 777F. Initial production variant (no longer marketed), now produced asStrategic use of composites and advanced alloys. Advanced alloys saved 1,450 kilograms (3,200 pounds) of structural weht on the 777. Selected for mechanical properties and for their