# Special Conditions: Dassault Mystere Falcon Model 20-C5/-D5/-E5/-F5 and Fanjet Falcon ModelC/D/E/F Series Airplanes; High Intensity Radiated Fields (HIRF)
> **Rule** · Final special conditions; request for comments. · Published 2004-07-02 · Effective 2004-06-03 · 69 FR 40307
## Document
- **Document number:** 04-15036
- **Category:** other
- **Type:** Rule
- **Action:** Final special conditions; request for comments.
- **Citation:** 69 FR 40307
- **Publication date:** 2004-07-02
- **Effective date:** 2004-06-03
- **FAA docket:** Docket No. NM283, Special Conditions No. 25-266-SC
## Abstract

These special conditions are issued for Dassault Mystere Falcon Model 20-C5/-D5/-E5/-F5 and Fanjet Falcon Model C/D/E/F series airplanes modified by Flight Test Associates, Inc. These modified airplanes will have novel and unusual design features when compared to the state of technology envisioned in the airworthiness standards for transport category airplanes. The modification incorporates installation of Ametek Model AM-250 barometric altimeters. 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 provided by the existing airworthiness standards.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2004/07/02/04-15036/special-conditions-dassault-mystere-falcon-model-20-c5-d5-e5-f5-and-fanjet-falcon-modelcdef-series)
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