# Special Conditions; Garmin AT, Inc., Piper PA-32; Protection of Electronic Flight Instrument Systems (EFIS) for High Intensity Radiated Fields (HIRF)
> **Rule** · Final special conditions; request for comments. · Published 2004-08-05 · Effective 2004-07-26 · 69 FR 47354
## Document
- **Document number:** 04-17925
- **Category:** other
- **Type:** Rule
- **Action:** Final special conditions; request for comments.
- **Citation:** 69 FR 47354
- **Publication date:** 2004-08-05
- **Effective date:** 2004-07-26
- **FAA docket:** Docket No. CE209, Special Condition 23-149-SC
## Abstract

These special conditions are issued to Garmin AT, Inc., 2345 Turner Road, Salem, OR 97302, for a Supplemental Type Certificate for the Piper PA-32. This airplane, as modified by Garmin AT, Inc., 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 flight instrument system (EFIS) display, Model G-1000, manufactured by Garmin AT, Inc., 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 this airplane.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2004/08/05/04-17925/special-conditions-garmin-at-inc-piper-pa-32-protection-of-electronic-flight-instrument-systems-efis)
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