46 CFR § 154.1852
Air breathing equipment
April 15, 2021
(a) The master shall ensure that a licensed officer inspects the compressed air breathing equipment at least once each month.
(b) The master shall enter in the vessel's log a record of the inspection required under paragraph (a) of this section that includes:
(1) The date of the inspection; and
(2) The condition of the equipment at the time of the inspection.