1.1 The purpose of this terminology is to establish uniformity in terminology used in the field of underwater search, rescue, and recovery.

1.2 The terminology is appropriate to those underwater search, rescue, or recovery activities that use self-contained or surface-supplied underwater breathing apparatuses to provide a breathing gas supply for the searcher(s).

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.