Caution Area : An area of defined dimensions within which the military training activities conducted, though not hazardous, are of interest to nonparticipating pilots
Ilan Kelman (ed.), Vulnerability and Resilience Definitions and References, Version 2, 2007. http://www.islandvulnerability.org/docs/vulnres.pd f, (Vulnr and Resilience - Brit) {524}