Many of these couplings are of the so-called "jaw" type. Some of the information below has been extracted from commercial product catalogs and specifications. [10][11][12][13]King of the Air[edit]"Air King"[14] Universal Air Hose Couplings, also known as "Chicago Style" fittings, are malleable iron

Aircraft cabin odor is a very common fault. Once it occurs, it is usually difficult to confirm and eliminate the fault. This is because the aircraft air conditioning system is associated with many other systems (such as engine air supply, APU air supply, etc.).