INTERNATIONAL ONLY While underway at night, a power-driven vessel of less than 7 meters in length, whose maximum speed which does not exceed 7 knots, may show which of the following?

Correct Answer: Option A — one all-round white light, only

COLREG Rule 27(i) permits power-driven vessels of less than 7 meters in length with a maximum speed not exceeding 7 knots to exhibit only one all-round white light, provided it is shown in sufficient time to prevent collision.