Searchlight Apparatus : A fire apparatus that provides illumination at fires and other emergencies, usually equipped with a self-contained electrical generator. See: Light Wagon, Light Unit, Searchlight Unit
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}