Sony Corporation Dept. Audio Group
Named as the FAA publishes it on its approvals.
Approved to make 2 classes of equipment. FAA spelling: Sony Corporation Dept. Audio Group.
Equipment approvals technical standard order authorisations
TSO-C58A · Aircraft Microphones (Except Carbon) · *, *, * · other and general
TSO-C57A · Headsets And Speakers · *, *, * · other and general
Source: FAA Dynamic Regulatory System (type certificate data sheets, supplemental type certificates, parts manufacturer approvals, technical standard order authorisations). An organisation's name is as the FAA spelled it on each record; related spellings are separate pages.