Life Preserver, Yoke LPU-21 E/P

Designed as a constant wear item in conjunction with various survival vests for US Navy and Marine personnel in Helo and fixed-wing aircraft.

LSI Product ID: flo-1720-00

AID NSN: 4220-01-584-9055

High Performance. Lightweight. Low-Profile.
The LPU-21 E/P is a high-buoyancy, twin-chamber constant wear life preserver worn by military aviators flying helicopter and fixed wing aircraft. 
Its manually activated inflation system makes its ideal for non-ejection seat applications.
Improved features over the LPU-21 D/P are zipper vs. Velcro® closures, hi-vis yellow bladders, lower profile and lighter weight.


  • Weighs less than 4 lbs. and provides 65 lbs. of buoyancy
  • Manual inflation with beaded handles activating two 35 gram CO2 cylinders. Nomex outer casing
  • Two independent, high visibility yellow flotation chambers
  • Waist and side collar lobes for maximum in-water auto-rotation
  • Two oral tubes for secondary inflation
  • FR Cover
  • Designed to be worn in conjuction with survival vests
  • Zipper Fasteners
  • Lighter weight and less bulk compared to the LPU-21 D/P