Term
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Definition
| General Prdential Rule: The mariner is responcible for complying with rules and avoiding a collision |
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Term
| Rule 18: Responcibility Between Vessles (Priority) |
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Definition
No Real Concern For Small Puney Ships
1. not under command
2. restricted in manuvering
3. constrained by draft (international)
4. fishing boat
5. sail boat
6. power driven
7. sea plane |
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Term
| Masthead light color/degree/NM |
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Definition
white light
225 degree visibility
6 nm for vessles > 50 meters
5 nm 12-50 meters
(3nm) < 12 meters |
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Term
| Sidelight light/color/degree/NM |
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Definition
color: red/green
Arc: 112.5
3 nm
2 nm |
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Term
| Sternlight light/color/degree/NM |
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Definition
color: white
arc: 135
3 nm / 2 nm |
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Term
| Towing Light light/color/degree/NM |
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Definition
color: yellow
arc: 135
3 nm 2 nm |
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Term
| All around light light/color/degree/NM |
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Definition
color: White, red, green, yellow
arc: 360
visibility 3 nm 2 nm |
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Term
| Special Flashing light/color/degree/NM |
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Definition
Color: yellow/blue
arc: 360
2 nm 2 nm |
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Term
| Range Light where and on what length of ship |
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Definition
| refers to the second masthead light placed aft and higher than the forward masthead light (>50 m) |
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Term
| Flashing Light what color, how many flashes per min and what type of ship is it found on? |
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Definition
| flashes at regular intervals of 120 flashes a minute Found on non-displacement craft in the non-displacement mode. |
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Term
| Sailing Vessle Underway what lights is it required to have? |
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Definition
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Term
| Rule 25 Sailing Vessels Underway color light and dayshape? |
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Definition
Night: Red over green, sailing machine
Day: Triangle pointed down |
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Term
| Vessel engaged in Trawling |
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Definition
Night: Green Over white, trawling at night
Day: 2 triangles point to point |
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Term
| Vessel engaged in fishing |
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Definition
Night: Red over white, fishing at night
Day: 2 triangles point to point |
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Term
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Definition
Night: Red over red, captain is dead
Day: Two black balls |
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Term
Vessel restricted in its ability to
maneuver |
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Definition
Night: Red/White/Red
Day: Ball/Dimond/Ball |
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Term
| Vessel constrained by draft |
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Definition
Night: 3 Red
Day: Cylinder |
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Term
| Vessel engaged in Pilotage duties Color of light and dayshape? |
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Definition
| White over red, pilot ahead |
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Term
| Vessel at anchor Color of light and dayshape? |
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Definition
Night: Forward and Astern Light
Day: Black Ball |
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Term
| Vessel aground Color of light and dayshape? |
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Definition
Night: Forward and Aft Lights 2 Red
Day: 3 balls |
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Term
| Making way what type of sound and how often? |
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Definition
every 2 min. long blast
both |
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Term
| Underway: not making way what type of sound and how often? |
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Definition
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Term
| What ships use 1 long and 2 short blasts every 2 min? |
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Definition
| Not under command/restricted manuver/constrained by draft/sailing/fishing/towing |
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Term
| Last manned vessle in a tow makes what blast? |
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Definition
| 1 long 3 short after towing vessle signal. |
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Term
| Piloting duty makes what sound? |
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Definition
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Term
| Low vis: 12-100 meters what type of sound ? |
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Definition
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Term
| Greater than 100 meters what type of sound ? |
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Definition
| ring bell fwd then gong aft every min |
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Term
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Definition
| three bell strokes before and after ringing the bell |
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Term
| Anchored/aground what type of sound? |
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Definition
| three bell stokes before and after ringing bell |
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Term
| International altering course stbd sound |
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Definition
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Term
| International altering to port sound |
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Definition
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Term
| Astern propulsion International and inland sound |
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Definition
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Term
| Inland: Intend leave you my port sound |
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Definition
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Term
| Inland: Intend leave stbd side:sound |
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Definition
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Term
| Inland expect a reply from the other vessle sound |
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Definition
same number of blasts as you gave if they agree
5 blasts if not |
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Term
| International Overtake your stbd sound |
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Definition
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Term
| International: overtake your port sound |
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Definition
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Term
| Internationa agree/disagree sound |
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Definition
A- long short long short
B- 5 short |
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Term
| Leaving Dock/obscured bend sound |
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Definition
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Term
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Definition
| the distance gained in the original direction until a ship steadies on its final course. |
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Term
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Definition
| the distance gained at a right angle to the direction of the original course until the ship steadies on its final course. |
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Term
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Definition
| the path followed by a ship’s pivot point when executing a 360° turn. |
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Term
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Definition
| - the transfer involved in the execution of a single turn of 180°. |
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Term
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Definition
| the diameter of the turning circle that a ship would scribe when turning 360° |
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Term
| Steps for Advance/Transfer During Piloting |
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Definition
STEP #1 - Calculate advance/transfer from tactical data folder.
STEP #2 - Plot “transfer” line perpendicular to original course.
STEP #3 -Plot “advance” by parallel to original course.
STEP #4 -Draw the turning point.
STEP #5 -Select a NavAid for a Turn Bearing (TB) |
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Term
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Definition
In order to plot the position at which the ship must put the rudder over you must select a Navaid closest to the beam
No less than 200 yards |
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Term
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Definition
| displaced from the shoal water by a distance that will keep the ship in safe water even when the pelorus is on the danger bearing. |
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