Special Conditions: Israel Aircraft Industries Ltd. Model 1124 Airplanes; High-Intensity Radiated Fields (HIRF)

These special conditions are issued for Israel Aircraft Industries Ltd. Model 1124 airplanes modified by Alternative Aviation Services. These modified airplanes will have a novel or unusual design feature when compared to the state of technology envisioned in the airworthiness standards for transport category airplanes. The modification incorporates the installation of dual Innovative Solutions & Support Air Data Display Units. The applicable airworthiness regulations do not contain adequate or appropriate safety 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 established by the existing airworthiness standards.