The term ABCD in scuba diving is not a standard or universally recognized acronym in the context of pre-dive safety checks or equipment configurations. However, the similar acronym ABC is commonly used. The ABC acronym stands for Air, Buoyancy, and Clips and is a pre-dive safety check system.
Here's a breakdown based on the provided reference:
- A - Air: Checking your air supply, ensuring the tank is properly filled and the regulator is functioning correctly.
- B - Buoyancy: Verifying that your buoyancy compensator (BCD) is functioning, inflating, and deflating properly.
- C - Clips: Confirming that all clips, buckles, and straps on your equipment are secured and functioning as they should be.
While ABCD is not a standard acronym, variations and expanded checklists might exist depending on the diving organization, instructor, or specific diving environment.
