NAUI Open Water E-learning Practice Test

During a buoyancy check, neutral buoyancy is indicated when you float at eye level with a normal breath.

Water Surface Nose level Eye level with a normal breath Chin level

Correct Answer:

Eye level with a normal breath

Explanation:

Neutral buoyancy means your total buoyant force equals your weight, so you neither rise nor sink in the water. For a buoyancy check, you adjust your gear so that with a normal breath you hover at eye level. Eye level is a practical, repeatable reference point that keeps you in a comfortable part of the water column while you learn to control depth with small breathing changes. If you float higher than eye level (toward the surface) you’re positively buoyant; if you sink below eye level, you’re negatively buoyant. Reaching neutral buoyancy at eye level with a normal breath confirms your buoyancy balance and helps you maintain depth during a dive.

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