47 CFR § 80.413
On-board station equipment records
February 16, 2021
(a) The licensee of an on-board station must keep equipment records which show:
(1) The ship name and identification of the on-board station;
(2) The number and type of repeater and mobile units used on-board the vessel; and
(3) The date and type of equipment which is added or removed from the on-board station.
(b) [Reserved]