# Special Conditions: McDonnell Douglas Models DC-10-10, 10-15, 10-30, 10-30F, 10-40, and 10-40F Airplanes; High-Intensity Radiated Fields (HIRF)
> **Rule** · Final special conditions; request for comments. · Published 2007-04-23 · Effective 2007-04-16 · 72 FR 20029
## Document
- **Document number:** E7-7699
- **Category:** other
- **Type:** Rule
- **Action:** Final special conditions; request for comments.
- **Citation:** 72 FR 20029
- **Publication date:** 2007-04-23
- **Effective date:** 2007-04-16
- **FAA docket:** Docket No. NM376
## Abstract

The FAA issues these special conditions for McDonnell Douglas Models DC-10-10, 10-15, 10-30, 10-30F, 10-40, and 10-40F airplanes modified by Canard Aerospace Corporation. These modified airplanes will have novel or unusual design features when compared with the state of technology envisioned in the airworthiness standards for transport category airplanes. The modification consists of installing electronic flight and engine instrument systems. The applicable airworthiness regulations do not contain adequate or appropriate safety standards for protecting these systems from 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/2007/04/23/E7-7699/special-conditions-mcdonnell-douglas-models-dc-10-10-10-15-10-30-10-30f-10-40-and-10-40f-airplanes)
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