Sikorsky S-76B SHADOW
During the 1990s, two highly-modified S-76s were used to develop technologies embodied later in the RAH-66 "Comanche". The Shadow (Sikorsky Helicopter Advanced Demonstrator and Operator Workload) S-76 in the foreground, N765SA, evaluated the built-on nose-mounted single-seat cockpit, with features such as fly-by-wire sidestick control, a voice interactive system and state- of-the-art combat avionics.
![]() Sikorsky S-76B Shadow N765SA
The rear aircraft flew extensively to determine the optimum size and shape of the type of shrouded tail rotor once fitted temporarily to the S-67 "Blackhawk".
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