Coastal Riverine Fundamentals

Question 1

What are the required lights on a vessel

Answer 1

1. White masthead light
2. Red light on the port side
3. Green light on starboard side
4. White stern light

Question 2

Define the following terms

Answer 2

Next

Question 3

Restricted visibility

Answer 3

Anything that restricts regular visibility

Question 4

Vessel constrained by draft

Answer 4

A vessel that cannot deviate from the course it is following due to depth/width of the waterway

Question 5

Vessel restricted in her ability to maneuver

Answer 5

Unable to maneuver out of the way or another vessel

Question 6

Vessel not under command

Answer 6

A vessel unable to maneuver out of the way of another vessel

Question 7

Power driven vessel

Answer 7

Any vessel propelled by machinery

Question 8

Short blast and prolonged blast

Answer 8

Short: 1 second blast

Prolonged: 4-6 second blast

Question 9

Bell

Answer 9

Carried on all vessels over 12 meters in length

Question 10

Gong

Answer 10

Carried on all vessels over 100 meters in length

Question 11

High tide

Answer 11

Maximum height of water from the rising tide

Question 12

Low tide

Answer 12

Minimum height of water from the outgoing tide

Question 13

Mean high water

Answer 13

The average height of high tide measured over 19 years

Question 14

Mean low water

Answer 14

The average height of low tide over 19 yearsb

Question 15

Spring tide

Answer 15

Higher than average high tide

Lower than average low tide

Question 16

Neap tide

Answer 16

High and low tides are lower than normal

Question 17

Flood current

Answer 17

Movement of water is toward shore

Question 18

Ebb current

Answer 18

Movement of water is away from shoreb

Question 19

Slack water

Answer 19

Period of time with no current

Question 20

Set

Answer 20

The direction of the current

Question 21

Drift

Answer 21

The speed of the current

Question 22

Overtaking

Answer 22

When in doubt, assume you are overtaking

Question 23

Head on collision both International and inland

Answer 23

Each vessel should alter its course to starboard

Question 24

Define compass bearing

Answer 24

A bearing obtained by using a magnetic compass