USS Macon was a rigid airship built and operated by the United States Navy for scouting and served as a "flying aircraft carrier", carrying up to five single-seat Curtiss F9C Sparrowhawk parasite bipl
USS Macon over New York City in 1933
Sky hook visible on the remains of one of Macon's F9C-2 biplanes (2006)
Macon under construction at the Goodyear Airdock
Macon moored in Hangar One at NAS Moffett Field in 1933
The static buoyancy of airships in flight is not constant. It is therefore necessary to control the altitude of an airship by controlling its buoyancy: buoyancy compensation.
On the Macon, the exhaust water recovery condensers appear as dark vertical strips above each engine. The Akron and LZ 130 Graf Zeppelin had similar systems.