The following matters must be entered in each vessel's logbook:
(a) Safety Orientation for Offshore Workers. As held. See Sec. 131.320.
(b) Tests and inspection of Steering Gear, Whistle, and Means of Communication. Before departure. See Sec. 131.505.
(c) Draft and Loadline Markings. Before leaving port. Ocean and coastwise voyages only. See Sec. 131.510.
(d) Verification of Compliance with Applicable Stability Requirements. See Sec. 131.513.
(e) Periodic Sanitary Inspections. After periodic sanitary inspections made by the master. See Sec. 131.515.
(f) Hatches and Other Openings. Each opening and closing, or departure from port without closing (except by vessels on protected waters). See Sec. 131.520.
(g) Tests of Emergency Lighting and Power. Weekly, monthly, and twice-yearly. See Sec. 131.525.
(h) Abandon-Ship Training and Drills, and Firefighting Training and Drills. As held. See Sec. Sec. 131.530 and 131.535.
(i) Inspection of Lifeboat Winches. Once each 3 months. See Sec. 131.570.