Special Conditions; Raytheon Aircraft Company, Raytheon Model 390 Airplane: Protection of Systems From High Intensity Radiated Fields (HIRF)

These special conditions are issued to Raytheon Aircraft Company, 9709 East Central, Wichita, Kansas 67201-0085 for a type certificate on the Raytheon Model 390 airplane. This airplane will have novel and unusual design features when compared to the state of technology envisaged in the applicable airworthiness standards. These novel and unusual design features include the installation of electronic flight instrument systems (EFIS) displays for which the applicable regulations do not contain adequate or appropriate airworthiness standards for the protection of these systems from the effects of high intensity radiated fields (HIRF). These special conditions contain the additional safety standards that the Administrator considers necessary to establish a level of safety equivalent to that provided by the applicable airworthiness standards.