# Special Conditions: Extra Flugzeugbau GmbH, Model EA-400 Airplane, Protection of Systems for High Intensity Radiated Fields (HIRF)
> **Rule** · Final special conditions, request for comments. · Published 2002-03-12 · Effective 2002-02-27 · 67 FR 11031
## Document
- **Document number:** 02-5810
- **Category:** other
- **Type:** Rule
- **Action:** Final special conditions, request for comments.
- **Citation:** 67 FR 11031
- **Publication date:** 2002-03-12
- **Effective date:** 2002-02-27
- **FAA docket:** Docket No. CE176
## Abstract

These special conditions are issued to Extra Flugzeugbau GmbH, for an amended type certificate for the EA-400 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 an electronic attitude direction indicator installed by Extra Flugzeugbau GmbH 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 the airworthiness standards applicable to these airplanes.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2002/03/12/02-5810/special-conditions-extra-flugzeugbau-gmbh-model-ea-400-airplane-protection-of-systems-for-high)
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