# Special Conditions: Rockwell Collins, Inc., Boeing Model 737-700/-700C/-800/-900 and -900ER Series Airplanes Equipped With Rockwell HGS-4000 Head-Up Guidance System With Enhanced Vision System Functionality
> **Rule** · Final special conditions; request for comments. · Published 2010-05-12 · Effective 2010-05-06 · 75 FR 26643
## Document
- **Document number:** 2010-11309
- **Category:** other
- **Type:** Rule
- **Action:** Final special conditions; request for comments.
- **Citation:** 75 FR 26643
- **Publication date:** 2010-05-12
- **Effective date:** 2010-05-06
- **FAA docket:** Docket No. NM427
## Abstract

These special conditions are issued for the Boeing Model 737- 700/-700C/-800/-900 and -900ER series airplanes equipped with the Rockwell HGS-4000 Head-Up Guidance System. These airplanes, as modified by Rockwell Collins, Inc., will have a novel or unusual design feature associated with the Enhanced Vision System (EVS) functionality, to be added by Supplemental Type Certificate (STC). 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/2010/05/12/2010-11309/special-conditions-rockwell-collins-inc-boeing-model-737-700-700c-800-900-and--900er-series)
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