mwesson030 Posted September 12, 2018 Share #1 Posted September 12, 2018 Saw this one on eBay. Any thoughts as to why it has the cords from an apache helmet and the holes for a cobra type visor? Link to comment Share on other sites More sharing options...
mwesson030 Posted September 12, 2018 Author Share #2 Posted September 12, 2018 Any thoughts? Could this have possibly been used in an early model apache before the Ihadss was in service? Link to comment Share on other sites More sharing options...
mohawkALSE Posted September 17, 2018 Share #3 Posted September 17, 2018 No, it just has the Tempest headset kit installed in it (MK-1564). Yes Apache's used the same setup but it was also used in SPH-4s and can be installed in the HGU-56. USMC V-22s use a similar setup today even. I have one of these headset kits that had been in a SPH-4. Check out the ear cups in your helmet and see if they are the standard smooth ear cups on the outside of the shells with the manufacturer markings or if they have ridges on the outside looking like a star shape or spokes (hard to describe). There was originally a special ear cup for it which I have that they banned from use as they were bad in side impacts during a crash. Here is a description about the MK-1564 assembly "The MK-1564( )/AIC contains a linear earcup transducer assembly with improved far field noise attenuation properties over the MK-896A/AIC, it also contains the microphone, Linear M- 162/AIC which is a noise-canceling dc powered, high gain microphone. The MK-1564( )/AIC is intended for use in the improved SPH.4 aviator's helmet which is part of the airborne communications system which will provide communications of high intelligibility under the extreme noise conditions encountered in military aircraft." Link to comment Share on other sites More sharing options...
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