# Special Conditions: Israel Aircraft Industries Model 1124 Airplanes; High-Intensity Radiated Fields (HIRF)
> **Rule** · Final special conditions; request for comments. · Published 2003-08-18 · Effective 2003-08-07 · 68 FR 49332
## Document
- **Document number:** 03-21106
- **Category:** other
- **Type:** Rule
- **Action:** Final special conditions; request for comments.
- **Citation:** 68 FR 49332
- **Publication date:** 2003-08-18
- **Effective date:** 2003-08-07
- **FAA docket:** Docket No. NM261
## Abstract

These special conditions are issued for Israel Aircraft Industries Model 1124 airplanes modified by Avionics Certification 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 a dual Innovative Solutions and Support Air Data Display Unit system that performs critical functions. The applicable airworthiness regulations do not contain adequate or appropriate safety standards for the protection of this system 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.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2003/08/18/03-21106/special-conditions-israel-aircraft-industries-model-1124-airplanes-high-intensity-radiated-fields)
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