# Special Conditions: Centex Aerospace, Inc.; Cirrus Design Corporation Model SR22; Installation of a Full Authority Digital Engine Control (FADEC) Engine
> **Rule** · Final special conditions; request for comments. · Published 2007-08-02 · Effective 2007-07-26 · 72 FR 42274
## Document
- **Document number:** E7-14933
- **Category:** other
- **Type:** Rule
- **Action:** Final special conditions; request for comments.
- **Citation:** 72 FR 42274
- **Publication date:** 2007-08-02
- **Effective date:** 2007-07-26
- **FAA docket:** Docket No. CE261
## Abstract

These special conditions are issued for the Cirrus Design Corporation, Model SR22 airplane as modified by Centex Aerospace, Inc. This airplane as modified by Centex Aerospace, Inc. will have a novel or unusual design feature(s) associated with the installation of a full authority digital engine control (FADEC) engine. The applicable airworthiness regulations do not contain adequate or appropriate safety standards for this design feature. 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/2007/08/02/E7-14933/special-conditions-centex-aerospace-inc-cirrus-design-corporation-model-sr22-installation-of-a-full)
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