U.S. HELICOPTER PILOT GENTEX SPH-4 HELMET WITH DUAL LENSES

$350.00
Out of stock
SKU
A838

Original U.S. Helicopter Pilot Gentex SPH-4 Helmet with Upgraded SPH-5 Dual Lenses

This is a United States Helicopter Flight Helmet type SPH-4 made by Gentex. The helmet is in overall good complete condition with the liner, headset, visor, microphone, and upgraded SPH-5 dual tint and clear visor   

The Sound Protective Helmet-4 (SPH-4) is a derivative of the US Navy SPH-3 and was used by the US Army since 1970. The SPH-4 is a single-visor lighter-weight version of the SPH-3 and it replaced the two Army aircrew helmet then in use: The Navy-developed Aircrew Protective Helmet no 5 (APH-5) and the Army-developed Anti-fragmentation Helmet No. 1 (AFH-1). Both of these helmets were deficient in noise attenuation and retention capability. The SPH-4, which was specifically designed for sound protection, provided superior sound attenuation but the 1970 version provided no more impact protection than the APH-5A. 


More Information
SKU A838
Weight 1.800000
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