Special Conditions: Rockwell Collins, Inc., Boeing Model 737-700/-700C/-800/-900 and -900ER Series Airplanes Equipped With Rockwell HGS-4000 Head-Up Guidance System With Enhanced Vision System Functionality

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These special conditions are issued for the Boeing Model 737- 700/-700C/-800/-900 and -900ER series airplanes equipped with the Rockwell HGS-4000 Head-Up Guidance System. These airplanes, as modified by Rockwell Collins, Inc., will have a novel or unusual design feature associated with the Enhanced Vision System (EVS) functionality, to be added by Supplemental Type Certificate (STC). The applicable airworthiness regulations do not contain adequate or appropriate safety standards for this design feature. These special conditions contain the additional safety standards that the Administrator considers necessary to establish a level of safety equivalent to that established by the existing airworthiness standards.