# Special Conditions: Garmin International, Beechcraft Corporation Model 400A Airplanes; Airplane Electronic-System Security Protection From Unauthorized External Access
> **Rule** · Final special conditions; request for comments. · Published 2016-08-22 · Effective 2016-08-22 · 81 FR 56475
## Document
- **Document number:** 2016-20000
- **Category:** other
- **Type:** Rule
- **Action:** Final special conditions; request for comments.
- **Citation:** 81 FR 56475
- **Publication date:** 2016-08-22
- **Effective date:** 2016-08-22
- **FAA docket:** Docket No. FAA-2016-8029
## Abstract

These special conditions are issued for the Beechcraft Corporation (Beechcraft) Model 400A airplane. This airplane, as modified by Garmin International (Garmin), will have a novel or unusual design feature when compared to the state of technology envisioned in the airworthiness standards for transport-category airplanes. These airplanes will have a digital-systems network architecture composed of several connected networks that may allow access to or by external computer systems and networks, and may otherwise result in airplane electronic-system security vulnerabilities without appropriate protection. 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/2016/08/22/2016-20000/special-conditions-garmin-international-beechcraft-corporation-model-400a-airplanes-airplane)
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