46 C.F.R. § 108.715 Magnetic compass and gyrocompass.
Title 46 - Shipping
(a) Each self-propelled unit in ocean or coastwise service must have a magnetic compass. (b) Each self-propelled unit of 1,600 gross tons and over in ocean or coastwise service must have a gyrocompass in addition to the magnetic compass required in paragraph (a) of this section. (c) Each unit that is required to have a gyrocompass must have an illuminated repeater for the gyrocompass that is at the main steering stand unless the gyrocompass is illuminated and is at the main steering stand.
Title 46: Shipping
PART 108—DESIGN AND EQUIPMENT
Subpart H—Miscellaneous Equipment
§ 108.715 Magnetic compass and gyrocompass.
