Transport i lotnictwo · 21/11/1996

Special Conditions: Boeing Model 767-27C, Airborne Warning and Control System Modification (AWACS) Airplanes; Liquid Oxygen

This notice proposes special conditions for Boeing Model 767- 27C airplanes, modified by installation of an Airborne Warning and Control System (AWACS). These airplanes will be equipped with an oxygen system utilizing liquid oxygen for storage to allow extended, unpressurized operations. The applicable regulations do not contain adequate or appropriate safety standards for the design and installation of oxygen systems utilizing liquid oxygen for storage. This notice contains the additional safety standards that the Administrator considers necessary to ensure that the design and installation of the oxygen system utilizing liquid oxygen for storage is such that a level of safety equivalent to that established by the airworthiness standards for transport category airplanes is provided.