northcoastaero Posted May 3, 2013 Share #1 Posted May 3, 2013 I was just wondering what companies manufactured the SPH-4 flight helmet. Any help would be appreciated. I have had Gentex and Safe Tech SPH-4 helmets in the past. Other manufacturers could be Bell and Aqua Aire Products Inc. (AAPI). Link to comment Share on other sites More sharing options...
boxerdogi Posted May 3, 2013 Share #2 Posted May 3, 2013 There is a 1983 Bell on Ebay right now. Look in the Vietnam Headgear section.....Tom. Link to comment Share on other sites More sharing options...
fercoravero Posted May 28, 2013 Share #3 Posted May 28, 2013 Astrocom is another company for short time. Yes AquaAire is another. Hope this help some. Link to comment Share on other sites More sharing options...
northcoastaero Posted June 4, 2013 Author Share #4 Posted June 4, 2013 Thank-you for all of the help. Link to comment Share on other sites More sharing options...
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