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1.1 The purpose of this guide is to address the basic fundamental subject knowledge activities and functions for avionics professionals to be titled Onboard Communication & Safety Systems (OCSS) Technicians.

1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

4.1 The guide is intended to be used to assess competencies of qualified individuals who wish to become certified as an Onboard Communication & Safety Systems (OCSS) Technician through a program such as the National Center for Aerospace and Transportation Technologies (NCATT).

4.2 The guide is intended to be used in concert with a certification provider’s structure and materials for management, exam delivery, and candidate preparation.