190-01639-00
GSU 75 ADAHRS Installation Manual
Rev. 6
Page 2-5
2.10 Installation Approval Considerations for Pressurized Aircraft
Cable installations on pressurized cabin aircraft require FAA approved installation design and engineering
substantiation data whenever such installations incorporate alteration (penetration) of the cabin pressure
vessel by connector holes and/or mounting arrangements.
For needed engineering support pertaining to the design and approval of such pressurized aircraft
installations, it is recommended that the installer proceed according to any of the following listed
alternatives:
1. Obtain approved installation design data from the aircraft manufacturer.
2. Obtain an FAA approved Supplemental Type Certificate (STC) pertaining to and valid for the
subject installation.
3. Contact the FAA Aircraft Certification Office in the appropriate Region and request identification
of FAA Designated Engineering Representatives (DERs) who are authorized to prepare and
approve the required installation engineering data.
4. Locate and contact an appropriate consultant FAA DER by reviewing the “FAA Consultant DER
Directory”, which can be found at the FAA “Designee and Delegation” web page.
5. Contact an aviation industry organization such as the Aircraft Electronics Association and request
their assistance.
340095
The document reference is online, please check the correspondence between the online documentation and the printed version.
