Sikorsky S-67 Blackhawk Sikorsky S-67 Blackhawk The Sikorsky S-67 Blackhawk was a private-venture, prototype attack helicopter built in 1970 with Sikorsky Aircraft research and development (R&D) funds. A tandem, two-seat aircraft designed around the dynamic drive and rotor systems of the Sikorsky S-61, it was designed to serve as an attack helicopter or to transport up to eight troops into combat. The US Army issued a request for proposals (RFP) for its Advanced Aerial Fire Support System (AAFSS) program on 1 August 1964. Lockheed offered its CL-840 design, a rigid-rotor compound helicopter. Sikorsky submitted the S-66, which featured a "Rotorprop" serving as a
Igor I. Sikorsky Memorial Bridge of the Igor I. Sikorsky Memorial Bridge opened in 2003; the Sikorsky Bridge was demolished in 2004. In February 2004, the load unexpectedly shifted on a crane that was removing structural steel from the old bridge. The crane overturned and fell into the partially frozen Housatonic River, killing its operator. The remaining half of the Igor I. Sikorsky Memorial Bridge was completed in 2006, two years behind schedule. The new bridge has a concrete deck, with an asphalt surface, three lanes in each direction, full left and right shoulders, a sidewalk for pedestrians, wrought-iron railing, and aesthetic lighting. The bridge