Sikorsky's CH-53K completes Critical Flight Envelope Expansion Phase

The CH-53K lifted the external load of 36,000 lbs. into a hover followed by flight demonstrating satisfactory handling qualities and structural margins. The gross weight of the aircraft topped out at just over 91,000 lbs., making this the heaviest helicopter ever flown by Sikorsky, the chopper maker said on March 7, 2018. Read more

The Sikorsky CH-53K helicopter achieves a 36,000-pound lift for the first time at Sikorsky Development Flight Center in West Palm Beach, Florida, on Feb. 10, 2018
(Credit: Sikorsky)