Garmin GSR 56 Installation Manual - Page 11

1.6 Certification The conditions and tests required for the TSO approval of this article are minimum performance standards. It is the responsibility of those installing this article either on or within a specific type or class of aircraft to determine that the aircraft installation conditions are within the TSO standards. TSO articles must have separate approval installation in an aircraft. The article may be installed only if performed under 14 CFR part 43 or the applicable airworthiness requirements. The Appliance Project Identifier (API) for the GSR 56 is GMN-00641. The API has been used for project identification with the FAA and EASA. In addition, the alpha character appended to the API in the ETSO certificate has been added to supplement project identification by EASA. This alpha character does not represent a version number; see applicable hardware and software part numbers to identify appliance approvals. The GSR 56 system is limited to communication to the cockpit and cabin for convenience only. 1.6.1 TSO/ETSO Compliance 1.6.1.1 GSR 56 (011-01706-00) Table 1-6. TSO/ETSO Authorizations Function Aircraft Audio Systems and Equipment Audio Selector Panels and Amplifier Airborne Systems for Non Required Telecommunication Services (In Non Aeronautical Frequency Bands) TSO/ETSO TSO-C139 ETSO-C50c ETSO-2C514 Category Class 2/Category 1 1.6.1.2 GSR 56 (011-02268-00) Table 1-7. TSO/ETSO Authorizations Function Aircraft Audio Systems and Equipment Audio Selector Panels and Amplifier Airborne Systems for Non Required Telecommunication Services (In Non Aeronautical Frequency Bands) TSO TSO-C139 ETSO-C50c ETSO-2C514 Category Class 2/Category 1 GSR 56 Installation Manual 190-00836-00 Page 1-5 Revision F