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17 Cards in this Set
- Front
- Back
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Restricted Visibility |
Reduce to safe speed, maintain lookout, use nav lights, make course alterations large, sound fog signal |
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Sound signal equipment |
-12 meters (must have some type of sound signal) 12-100 meters (whistle and bell) +100 meters (whistle, bell and gong) |
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Sound signals less than 100 meters length of vessel restricted visibility |
At anchor- Rapid ringing of bell for 5 seconds. Aground- 3 distinct strokes on bell, followed by rapid ringing of bell for 5 secs, followed by 3 distinct strokes on bell. |
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Fog signals underway |
Power driven underway &making way- 1 prolonged blast Power driven underway, not making way- 2 prolonged blasts Towing or pushing-1 prolonged, 2 short. Fishing- 1 prolonged 2 short Restricted in ability to maneuver- 1 prolonged, 2 short. Sailing- 1 prolonged, 2 short. Not under command-1 prolonged, 2 short. Manned vessel being towed- 1 prolonged, 3 short. Pilot(optional signal)- 4 short in addition to required signals. |
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Collision avoidance |
Take action in ample time, alter course largely, check & recheck effectiveness of avoidance actions, slacken or take all the way off speed, sound proper signals of intent, follow rules for meeting, crossing and overtaking. |
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"Pecking" order of vessels |
1. Any vessel being overtaken is most privileged. All other must keep clear or make attempt to stay clear. 2. Vessels not under command or restricted in ability to maneuver. 3. Fishing vessel actively engaged in fishing. 4. Sailing vessel 5. Regular power driven vessel 6. Seaplane |
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Passing signals |
Passing on port- 1 whistle Passing on starboard- 2 whistle |
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Crossing situations |
Vessel to the right has right-of-way. "Pecking" order still applies and takes precedence in crossing situations. |
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Arcs of visibility |
Masthead light- 225 degrees Side lights- 112.5 degrees Stern light- 135 degrees |
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Distances of visibility (1) |
Vessel 50 meters or longer- mast (6 miles). Sidelight-(3 miles). Stern light- (3 miles). Towing light- (3 miles). White, red, green or yellow all around light- (3 miles). Special flashing light- (2 miles). |
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Distance of vis.(2) |
Vessel 12 meters or more but less than 50 meters. Mast- (5 miles unless vessel is less than 20 meters then 3 miles). Side- (2 miles). Stern- (2 miles). Towing- (2 miles). White, red, green or yellow all around light- (2 miles). Special flashing- (2 miles). |
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Dist of vis (3) |
Less than 12 meters in length. All lights except for side light are 2 miles. Side lights are 1 mile. |
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Light display via vessel length- power driven. |
1. Less than 12 meters- must display either standard light configuration or must have all round white and all round red/green combo. 2. Less than 50 meters- side, stern and mast lights. 3. Greater than 50 meters- 2 mast lights that form range in addition to standard light set. |
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Sailing vessel lights |
7 meters or more under sail alone- side and stern only. Can be combined in one lantern at or near top of mast if less than 20 meters in length. Less than 7, not required any lights but must have white light in ready to prevent collision. |
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Dayshapes |
Actively fishing- two triangles pointed at each other. Sailing- upside down triangle Towing astern more than 200 meters- diamond Fishing gear extended more than 150 meters- 2 triangles pointed st each other plus triangle point up on side of obstruction. Restricted in maneuverability- ball over diamond over ball Restricted in maneuverability obstructions- two diamonds on clear side, two balls on obstruction side. At anchor- single ball on forepart of vessel. Not under command (greater than 12 meters)- two balls Vessel aground(greater than 12 meters)- three balls in vertical line. Mine clearance- 3 balls forming a pyramid shape. |
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Distress signals |
Gun or other explosive signal fired at 1 minute intervals Continuous sounding of fog-signalling device Rockets or shells throwing red stars fired one at a time at short intervals Morse code signal of ...---... Spoken word mayday over radio signal International code signal of distress indicated by signal flags N.C. Signal of square flag with ball shape above or below it Flames on a vessel Rocket parachute flare or hand flare showing red light Orange smoke signal Slowly and repeatedly raising and lowering outstretched arms Radiotelegraph alarm signal Radiotelephone alarm signal Signals transmitted by EPIRB High intensity white flashing light at 50 to 70 times a minute |
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Vessel types |
Vessel- every water craft including hovercraft and seaplanes Power driven- propelled by machinery Sailing- propelled by sail only Underway- not at anchor, aground or made fast to the shore Making way- moving through the water Not under command, not making way- unable to maneuver and unable to keep clear due to exceptional circumstances Constrained by draft- restricted in ability to deviate from course due to draft in relation to available depth of water |
