46 C.F.R. § 169.549
(a)
(1) The minimum number of life buoys and the minimum number to which water lights must be attached must be in accordance with the following table:
| Length of vessel | Minimum number of buoys | Minimum number of buoys with waterlights attached |
|---|---|---|
| Under 100 | 2 | 1 |
| 100 feet to less than 200 ft | 4 | 2 |
| 200 feet to less than 300 ft | 6 | 2 |
| 300 feet to less than 400 ft | 12 | 4 |
| 400 feet to less than 600 ft | 18 | 9 |
(c)