Initial Attack Line : The first hose stream placed in service by a company at the scene of a fire in order to protect lives or to prevent further extension of fire while additional lines are laid and placed in position
NFPA 1410 Standard on Training for Initial Emergency Scene Operations, 2005 ed. http://www.nfpa.org/codes-and-standards/document-i nformation-pages?mode=code&code=1410, (Std: Trng for Initial Emr Scene Opr - Amer) {397 NFC}