Aeromiltec SPH-4 was the most commonly used helmet in the international marketplace. Aeromiltec can still supply the standard configuration in O.D.color with NATO commset, 24 inch coiled or straight cordset, in sizes Regular or XL. The
helmet shell is a high-strength, lightweight reinforced fibreglass . Rubber edge beading covers the peripherals of the shell.
The energy-absorbing liner we deliver with is either the Zeta comfort liner or the rigid polystyrene molded to conform to the inside of the helmet shell. Each lightweight earcup assembly consists
of a contoured plastic earcup and a cushioned earseal (with a raised
inner ring for maximum sound attenuation and comfort).
communications system consists
of a boom-mounted microphone M-87/AIC or Electret Mic , dual earphones,
and a communications
cord. A flex boom is available as an upgrade.process. The single
visor option is also the single feature available. Aeromiltec can deliver also the ANR version of this helmet.
Each helmet can be designed and/or
configured with a variety of different features: earphones, wire or flex
boom microphones, communications cords/plugs, communication earplugs,
and ANR (Active Noise Reduction). Other upgrade accessories are
available upon request.