Home/Photos/HyperMach SonicStar Photos HyperMach SonicStar FLYING Staff Friday, November 18, 2011 at 03:08 AM ET Verified Key Takeaways: A U.K. company aims to develop a supersonic business jet (SSBJ). The target speed for this SSBJ is Mach 4.0. The company is called HyperMach. The SSBJ is named SonicStar. See a mistake? Contact us. An ambitious U.K. company says it can develop an SSBJ that will be capable of flying at Mach 4.0.HyperMach SonicStar HyperMach SonicStar HyperMach SonicStar For more on this SSBJ, check out “HyperMach Raises SSBJ Speed Target to Mach 4.“ Share this story FLYING Staff FLYING Magazine is a one-stop resource for everything aviation, including news, training, aircraft, gear, careers, photos, videos, and more.