Sikorsky-Boeing FVL attack/transport helicopter concept Posted on April 12, 2017April 12, 2017 by alert5 Sikorsky and Boeing have unveiled the attack and transport variants of their Future Vertical Lift (FVL) concept. Related posts (Automatically Generated): Dutch air force chief says Future Vertical Lift not ambitious enough Boeing’s latest sixth-gen fighter concept is a tail-less canard Bell introduces V-280 Valor Sikorsky, Boeing propose X2 helicopter for U.S. Army’s Joint Multi-Role TD1 Sikorsky begins powered ground tests of CH-53K with rotor blades Bell, Sikorsky/Boeing shortlisted for JMR TD