Special Conditions: Embraer Model ERJ-170 series airplanes; Electronic Flight Control Systems; Automatic Takeoff Thrust Control System

These special conditions are issued for the Embraer Model ERJ- 170 series airplanes. These airplanes will have novel or unusual design features when compared to the state of technology envisioned in the airworthiness standards for transport category airplanes. These design features are associated with (1) Electronic Flight Control Systems and (2) Automatic Takeoff Thrust Control System (ATTCS). The applicable airworthiness regulations do not contain adequate or appropriate safety standards for these design features. 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. Additional special conditions will be issued for other novel or unusual design features of Embraer Model 170 series airplanes.