The CH-53DE Crash-Attenuating Crew Chief is designed to provide protection to crewmembers on the Sikorsky CH-53DE and MH-53E military heavy-lift transport helicopters. The seat and frame are both attached with quick release pins for easy removal from the aircraft. Aircraft interface kits were specifically designed for the CH-53D, CH-53E, and MH-53E cabins.Aft-facing seat on a floor-mounted framePatented energy attenuator that needs no adjustment to protect from the 5th percentile female to equipped 95th percentile male occupants4-point rotary buckle restraint with MA-16 inertia reel for occupant safetyFully qualified to MIL-STD-810F environmental requirementsDynamically and statically tested