Zero-G Cover Image
Pro Flight Gear Red Bar
Pro Flight Gear Red Bar
ALPHA Eagle Flight Helmet Zero-G

Zero-G Helmet Upgrade Kit

The fabric and materials used in the construction of these products are designed to draw perspiration away from the head and cool the wearer through the evaporation process.  Independent testing has shown the combination of the ear seals and helmet liner significantly improved impact protection to standard liners and ear seals. These products have been engineered to provide pain-free flying for pilots and aircrew to ensure the focus is on the primary mission, not the fit or stability of the flight helmet.

Key Features

ALPHA Eagle Flight Helmet Zero-G Helmet Upgrade Kit

Improved Protection

Independent and DoD testing have shown that the core material of these products deliver superior blunt impact performance over OEM product.

Improved Comfort

The Pro Flight Gear upgrade kit provides significantly improved comfort over similar product, even during extended mission duration.

Improved Stability

Provides increased stability, most notably when helmet is equipped with additional ancillary equipment such as night vision goggles.

Thermal Stability

The internal fabric of our helmet liner provides thermal regulating properties. When operating temperature is high, the liner will remain cooler. When temperature is cool, liner will help retain the heat in.

HGU-56P Zero-G Helmet Upgrade Kit
HGU-55P Zero-G Helmet Upgrade Kit

Anti-Microbial

Liners and ear seals are enhanced with Permanent Anti-Odor and Anti-Microbial performance.

Modular Design

Our products will fit any US or foreign flight helmet. Upgrade now to bring new life to your old helmet.

Zero-G Helmet Comfort Liner

A drop in replacement liner to upgrade the pressure displacement and comfort of your existing flight helmet and enhance the overall fit. The suspension system (padding) is a rate and temperature sensitive material that conforms to the wearer’s unique head shape. These materials are covered in a heat and moisture wicking anti-microbial fabric.

Liner Sizes

Zero-G Comfort Liners are available in lengths of
13”, 14”, 15”, 16”, 17”, 18″

12″ Length available – Contact Us to order

Thicknesses available in
1/4”, 3/8”, 1/2”, 5/8”

(All ALPHA Liners are 13″ length)

Pro Flight Gear Red Bar

Zero-G Comfort Liner
Flight Helmet Compatibility Guide

Select Helmet System Below

Pro Flight Gear Red Bar
Zero-G-Helmet-Comfort-Liner-Product-Comparison-Chart
Zero G Comfort Liner Parts NSN Chart scaled 1
Pro Flight Gear Red Bar

Zero-G Ear Seals

Pro Flight Gear Zero-G ALPHA Ear Seals are available for ALPHA Eagle Flight Helmet only.

Available in 1/2″ and 3/4″ thickness.

The laminate structure provides Optimum Comfort, Noise Attenuation, and Maximum Side Impact Protection.

Available in 1/2″ and 3/4″ thickness.

These products will not generate hot spots commonly associated with this type of life support equipment.

Available in 3/4″ and 1-1/8″ thickness.

*Non ANR Compatible*

The ear seals will conform around objects such as eyeglass frames and not create discomfort.

Available in 3/4″ and 1-1/8″ thickness.

The Sonic Interior Wall allows stray noise to penetrate the interior wall, then dissipate into the ear seal’s sound deadening material. This layer also provides heat and Moisture Wicking properties, keeping the user cool and dry.

Zero-G Noise Reduction Kit

The Zero-G Noise Reduction Kit can be used in conjunction with Pro Flight Gear Zero-G Ear Seals to provide heightened passive noise isolation and increase communication intelligibility.

The Zero-G Noise Reduction Kit fits into many existing flight helmets or passive aviation headset ear cups.

Key Features

  • Improved Passive Noise Attenuation
  • Low Cost, Lightweight Noise Reduction
  • Replacement for Factory Open-Cell Foam Materials
  • Easy Installation
  • Direct Drop-In

Zero-G Helmet Nape Pad

**Not Compatible with ALPHA Eagle Flight Helmet**

Nape Pad for HGU-56/P with new Harness system on ABH and RWH.

(prevents roll when fitting helmet)

Made with the same Zero-G Materials as all above products.

All PFG Zero-G Products are Proudly Made in the U.S.A.

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