Garmin GWX 70 Installation Manual - Page 25

Installation Considerations, Locate an appropriate consultant FAA DER - review

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2.3 Installation Considerations Fabrication of a wiring harness is required. Sound mechanical and electrical methods and practices are required for installation of the GWX 70. 2.3.1 Antenna Considerations Antenna and 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 antenna installations, it is recommended 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 Supplemental Type Certificate (STC) pertaining to and valid for the subject antenna 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 antenna installation engineering data. 4. Locate 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. 190-00829-01 Rev. C GWX 70 Installation Manual Page 2-3

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190-00829-01
GWX 70 Installation Manual
Rev. C
Page 2-3
2.3
Installation Considerations
Fabrication of a wiring harness is required. Sound mechanical and electrical methods and practices are
required for installation of the GWX 70.
2.3.1
Antenna Considerations
Antenna and 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 antenna
installations, it is recommended 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 Supplemental Type Certificate (STC) pertaining to and valid for the
subject antenna 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 antenna installation engineering data.
4.
Locate 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.