Bed Ladder 1 : (1) The lower section of an extension ladder, into which the upper sections or fly ladder retract. (2) The section of an aerial ladder which is fastened to the truck frame. See: Base Section
Ralph W. Burklin & Robert G. Purington, Fire Terms: A Guide to Their Meaning and Use, National Protection Association, Boston, MA 1980 USA. (Guide: Meaning and Use, Nat Prot Association Fr Srvc - Amer) {457}