Original U.S. Vietnam War Era APH-5 Helicopter Pilot Flying Helmet by Sierra Engineering Company - Size Medium Century 82-inch caliber

82-inch caliber

with a gilt chinstrap

though it is a bit worn and has a partly dull finish

In Operation Market Garden

About the chasseurs alpins in WW2:  there were 14 DBCA: 4 active and 10 mobilized in August/September 1939

Original U.S. Vietnam War Era APH-5 Helicopter Pilot Flying Helmet by Sierra Engineering Company - Size Medium Century 82-inch caliberOriginal Item: Only One Available. This is a solid example of a Vietnam War APH 5 Flying Helmet, as used by all branches of service during the Vietnam War. This Helmet appears to have been very well used, and repainted multiple times during its period of service. Has a functional clear visor as well as boom mic and issued hearing protection. Size is a MEDIUM and overall condition is very good. There is an original manufacturers label is still present