Systems and methods for recommending photogenic locations to visit are provided. The device includes a non-volatile memory which stores the operating state of the device when the host goes into hibernate mode and a flag which indicates that the host has entered the \u201chibernate\u201d mode. When an action results in an occurrence of a de-synchronization event between the PNR and a corresponding electronic ticket, the method further includes automatically changing a status in the PNR from Established to Orphan. The valve bodies have inlet mounting surfaces and outlet mounting surfaces with circular attachment flanges radially extending from these mounting surfaces.