Helicopter Sikorsky CH-53K King Stallion Serial Register 168779 used by Sikorsky Helicopters. Built 2016. Aircraft history and location Aircraft History 168779 Sikorsky Helicopters 02YCH-53K EDM-2 f/f 22jan16 2016-03-14joined flight test program Second CH-53K Joins Flight Test Program Send Updates Use APP to upload photo @ (optional) When Now? / / Send