# Special Conditions: Israel Aircraft Industries Model 1124 Airplanes; High-Intensity Radiated Fields (HIRF)
> **Rule** · Final special conditions; request for comments. · Published 2003-12-09 · Effective 2003-11-24 · 68 FR 68499
## Document
- **Document number:** 03-30447
- **Category:** other
- **Type:** Rule
- **Action:** Final special conditions; request for comments.
- **Citation:** 68 FR 68499
- **Publication date:** 2003-12-09
- **Effective date:** 2003-11-24
- **FAA docket:** Docket No. NM269
## Abstract

These special conditions are issued for Israel Aircraft Industries Model 1124 airplanes modified by Garrett 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 (IS&S) Air Data Display Unit systems with the IS&S Air Data Sensor that perform critical functions. 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.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2003/12/09/03-30447/special-conditions-israel-aircraft-industries-model-1124-airplanes-high-intensity-radiated-fields)
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