BCA Backcountry Decision Making GuideDeveloped by the American Institute for Avalanche Research and Education (AIARE) to meet the American Avalanche Association (AAA) standards, the AIARE Backcountry Decision Making Guide is an essential snow study tool for the aspiring avalanche professional or serious student. Used with a pencil, the pages are waterproof so you can collect data even on the wettest days. The AIARE field book includes the AIARE Communication Checklist, AIARE Decision