Skip to main content
CaptainsGround

Deck Safety

Visual distress signals — flares, smoke, hand-held

Appears on 70% of examsDifficulty 2/558 drill questions

On the paperQ170 / Q35650 questions70% to pass, 15 wrong allowedone paper, shared with Deck General

Authoritative sources#

Every answer on this topic traces back to the public rule corpus below.

33 CFR 175

Source excerpts#

33 CFR §175.110

Visual distress signals required. (a) No person may use a boat 16 feet or more in length, or any boat operating as an uninspected passenger vessel subject to the requirements of 46 CFR chapter I, subchapter C, unless visual distress signals selected from the list in § 175.130 or the alternatives in § 175.135, in the number required, are onboard. Devices suitable for day use and devices suitable for night use, or devices suitable for both day and night use, must be carried. (b) Between sunset and sunrise, no person may use a boat less than 16 feet in length unless visual distress signals suitable for night use, selected from the list in § 175.130 or § 175.135, in the number required, are on board. [CGD 76-183, 44 FR 73024, Dec. 17, 1979, as amended by USCG-1999-5040, 67 FR 34760, May 15,

33 CFR §175.113

Launchers. (a) When a visual distress signal carried to meet the requirements of § 175.110 requires a launcher to activate, then a launcher approved under 46 CFR 160.028 must also be carried.

33 CFR §175.115

Exceptions. The following persons need not comply with § 175.110; however, each must carry on board visual distress signals suitable for night use, selected from the list in § 175.130 or § 175.135, in the number required, between sunset and sunrise: (a) A person competing in any organized marine parade, regatta, race, or similar event; (b) A person using a manually propelled boat; or (c) A person using a sailboat of completely open construction, not equipped with propulsion machinery, under 26′ in length.

33 CFR §175.130

Visual distress signals accepted. (a) Any of the following signals, when carried in the number required, can be used to meet the requirements of § 175.110: (1) An electric distress light meeting the standards of 46 CFR 161.013. One is required to meet the night only requirement. (2) An orange flag meeting the standards of 46 CFR 160.072. One is required to meet the day only requirement. (3) Pyrotechnics meeting the standards noted in Table 175.130. (b) Any combination of signal devices selected from the types noted in paragraphs (a) (1), (2) and (3) of this section, when carried in the number required, may be used to meet both day and night requirements. Examples—the combination of two hand held red flares (160.021), and one parachute red flare (160.024 or 160.036) meets both day and

33 CFR §175.140

Prohibited use. No person in a boat shall display a visual distress signal on waters to which this subpart applies under any circumstance except a situation where assistance is needed because of immediate or potential danger to the persons on board.

33 CFR §87.01

Need of assistance. The following signals, used or exhibited either together or separately, indicate distress and need of assistance: (a) A gun or other explosive signal fired at intervals of about a minute; (b) A continuous sounding with any fog-signaling apparatus; (c) Rockets or shells, throwing red stars fired one at a time at short intervals; (d) A signal made by any method consisting of the group . . . - - - . . . (SOS) in the Morse Code; (e) A signal sent by radiotelephony consisting of the spoken word “Mayday”; (f) The International Code Signal of distress indicated by N.C.; (g) A signal consisting of a square flag having above or below it a ball or anything resembling a ball; (h) Flames on the vessel (as from a burning tar barrel, oil barrel, etc.); (i) A rocket parachut

Practice this topic#

One real exam question on this topic, cited to source. No sign-up.

Visual distress signals — flares, smoke, hand-held

A person may display a visual distress signal only when ______.

Study this topic#

This guide is the exam-facing view of the topic: what it is tested on and which sources it comes from. The lesson explains the idea; the drill tests it.

The full lesson covers this topic with citation popovers, and there are 58 drill questions behind it.

Drill Visual distress signals — flares, smoke, hand-held against the real exam.

Real exam questions. No signup, no card.

Was this page helpful?