This is a TK-4 high altitude helmet, used by Chinese airforce with Flight Suit

This is a original Gentex HGU 84/P Flight Helmet size X-Large ,with original new Amplifier Audio Frequency Type AM3597C/A and a Original Battery Pack BA-2003-100

Original German Air Force HGU 55/G Tornado Fighter Helmet JaboG 38 „Friesland“

Very nice example of the original Mk-3c flight helmet with P Type oxygen mask

Beautiful Thunderbirds Flight helmet and Oxygen mask set

Original HGU 55 Combat Edge Size Medium with MBU 20 / CE Oxygen Mask Size Medium Wide

This is a original Green Gentex Sound Protective Helmet-4 (SPH-4) single visor used by Army Helicopter Pilots and Rescue Crews

Czechoslovakian Flight Helmet „Netzkopfhaube“ comparable to German WWII

Original MSA Gallet Outer Visor Cover with Velcro Pads

Original MSA Gallet Outer Visor Cover