Skip to main content
CaptainsGround
Every answer cited & verifiedAll 4 USCG exam modulesReviewed by a former NMC exam writer
USCG Exam PracticeRule 28 — Constrained by Draft (lights)

Under the Inland Navigation Rules, which lights must a power-driven vessel underway of 50 meters or more in length exhibit?

  1. A masthead light forward, a second masthead light abaft and higher, sidelights, and a sternlightCorrect
  2. B. A masthead light forward, sidelights, and a sternlight only
  3. C. Two masthead lights in a vertical line, sidelights, and a sternlight
  4. D. An all-round white light, sidelights, and a sternlight

Why A is correct

33 CFR §83.23(a) requires a power-driven vessel underway to exhibit a forward masthead light, a second masthead light abaft of and higher than the forward one, sidelights, and a sternlight. The exemption from the second masthead light applies only to vessels of less than 50 meters in length.

More Rule 28 — Constrained by Draft (lights) questions

Start drilling in 30 seconds. Free.

No signup, no credit card — answer 5 real, cited exam questions right now.

Under the Inland Navigation Rules, which lights must a power-driven… — USCG Exam Practice · CaptainsGround