⚛️New Regulatory Guide for Fiber-Optic Cables in Nuclear Safety
The U.S. Nuclear Regulatory Commission (NRC) is issuing a new Regulatory Guide (RG) 1.257, "Qualification of Fiber-Optic Cables, Connections, and Optical Fiber Splices for Use in Safety Systems for Production and Utilization Facilities." This RG describes an approach that is acceptable to the staff of the NRC for use in complying with the NRC's regulations that address the environmental qualification of fiber-optic cables, connections, and optical fiber splices in safety systems in production and utilization facilities. This RG endorses, subject to the conditions described in Section C of the RG, the Institute of Electrical and Electronics Engineers (IEEE) Standard 1682- 2023, "IEEE Standard for Qualifying Fiber Optic Cables, Connections, and Optical Fiber Splices for Use in Safety Systems in Nuclear Power Generating Stations."
Learn More🚀FAA Advisory Circular on Reduced Reliability Flight Safety Systems
FAA invites public comments about our intention to publish an advisory circular. This Advisory Circular (AC) provides guidance to demonstrate compliance with the design, test, and documentation requirements for a Reduced Reliability Flight Safety System (RRFSS) of commercial space launch or reentry vehicles. This AC presents one acceptable means of compliance (MOC), but this is not the only acceptable MOC. Launch and reentry license applicants may use this AC to guide their internal processes, format their license applications, or both.
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