Immediate self-rescue of a single fire or emergency services person from a life threatening emergency situation, generally above ground, using system components or manufactured systems designed for self-rescue escape
NFPA 1983 Standard on Fire Service Life Safety Rope and System Components, 2001 ed. http://www.nfpa.org/assets/files/AboutTheCodes/198 3/1983-F2005-ROP.pdf, (Std: Fr Srvc Life Sfty Rope and Sys Components - Amer) {434 NFC}