Plain English Meaning

An early Swiss glider that was one of the first real aircraft built with a fiberglass body instead of metal or wood. It is mentioned in aviation history because it helped prove that composite materials could be used to build aircraft.

Full Definition

A Swiss sailplane, first flown in 1967, recognized as one of the earliest aircraft to use fiberglass composite construction in its fuselage, marking a significant step in the adoption of composite materials in aviation.

Context Anchor

Seen in the composite construction chapter when the handbook gives historical examples of aircraft built with composite materials.

Derivation

‘Diamant’ is the French and German word for ‘diamond,’ a name chosen for the sailplane. ‘HBV’ comes from the Swiss aircraft registration prefix ‘HB’ followed by ‘V’ for the variant. Knowing the name simply identifies the aircraft rather than describing what it does.