The actions and observations noted in this section shall be entered in the official log book. This section contains no requirements which are not made in other portions of this subchapter, the items being merely grouped together for convenience.
(a) Onboard training, musters, and drills: held in accordance with subchapter W (Lifesaving Appliances and Arrangements) of this chapter.
(b) Watertight door operation: Daily and Weekly. See § 78.17-3.
(c) Valve and closing appliance operation: Weekly. See § 78.17-5.