ASTM F3450-20

1.1 The purpose of this guide is to address the basic fundamental subject knowledge activities and functions for avionics professionals to be titled Flight Hazard and Surveillance Systems (FHSS) Technicians.

1.2 This guide does not cover weather detection and avoidance systems. These systems will be addressed in a future Aircraft Electronics Technician (AET) endorsement standard.

1.3 This guide is the basis for the FHSS certification, an endorsement to the AET certification. Candidates must be a certified AET to take the certification exam associated with this guide.

1.4 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.

1.5 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.