GIA 63 Installation Manual Page 2-5190-00303-05 Revision T2.2 Installation ConsiderationsThe GIA 63(X) interfaces with the G1000 system and with various avionics equipment. Fabrication of awiring harness is required. Sound mechanical and electrical methods and practices are required forinstallation of the GIA 63(X).2.2.1 Antenna ConsiderationsAntenna installations on pressurized cabin aircraft require FAA approved installation design andengineering substantiation data whenever such antenna installations incorporate alteration (penetration) ofthe cabin pressure vessel by connector holes and/or mounting arrangements. For needed engineeringsupport pertaining to the design and approval of such pressurized aircraft antenna installations, it isrecommended that the installer proceed according to any of the following listed alternatives:1. Obtain approved antenna installation design data from the aircraft manufacturer.2. Obtain an FAA approved STC, pertaining to, and valid for the antenna installation.3. Contact the FAA Aircraft Certification Office in the appropriate Region and request identificationof FAA Designated Engineering Representatives (DERs) who are authorized to prepare andapprove the required antenna installation engineering data.4. Obtain FAA Advisory Circular AC-183C and identify a DER from the roster of individuals in it.5. Contact an aviation industry organization such as the Aircraft Electronics Association forassistance.DRAFT Rev T 11/12/2010