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This is an example of a Type H-4 protective flying helmet issued to United States Naval and Marine aviators in the mid-1950s. The Type H-4 was a refined update of the Type H-3 with a different shape in the design of the reinforcing ridges and the addition of a cloth inner liner with earphones.

 Display Status

This object is not on display at the National Air and Space Museum. It is either on loan or in storage.
Object Details
Country of Origin United States of America Type PERSONAL EQUIPMENT-Helmets & Headwear Manufacturer General Textile Mills, Inc.
 Physical Description United States Navy Type H-4 Protective Flying Helmet; gold fiber glass shell with brown rayon and cowhide inner webbing; adjustable boom dynamic microphone attached to right side of helmet; United States Naval Aviator's badge wing decal on front brow of helmet. Dimensions 3-D: 27.9 × 22.9 × 20.3cm, 0.8kg (11 × 9 × 8 in., 1.8lb.)
 Materials HAZMAT: Cadmium Plating
Fiberglass
Nylon
Leather
Rubber
Steel
Aluminum
 Inventory Number A19820554000 Credit Line Transferred from the United States Navy, Bureau of Aeronautics Data Source National Air and Space Museum Restrictions & Rights Usage conditions apply
For more information, visit the Smithsonians Terms of Use.