Review Questions 2

Question 1

A skipper is responsible for the safety of the _____ and _____. While he may delegate tasks to an experienced _____, the skipper will always be held responsible.

Answer 1

crew; boat; crewmember

Question 2

List at least four important items of emergency equipment that should be located and checked before departure:

Answer 2

life jackets (or PFDs), fire extinguishers, horn, VHF radio, flares, bilge pumps

Question 3

When controlling a dockline from on board, take at least one _____ around a cleat to take the load and avoid rope burns.

Answer 3

turn

Question 4

When docking or undocking under power, the two primary factors to assess are _____ and _____.

Answer 4

wind; current

Question 5

The flow of water generated by the propeller is called _____ _____.

Answer 5

prop wash

Question 6

The tendency for the stern of the boat with a right-handed prop to move to _____ when reverse gear is first engaged is called _____ _____.

Answer 6

port; prop walk

Question 7

To make a 180 degree turn in a limited space you must perform a _____ _____. On a boat with a right-handed prop, this entails turning to starboard with alternate bursts of _____ and _____ power.

Answer 7

standing turn;

forward; reverse

Question 8

When you encounter adverse wind conditions during docking or undocking, the use of _____ lines as well as the engine and the _____ will help you control the boat.

Answer 8

spring; rudder

Question 9

The greater the tidal range, the longer the docklines must be to allow the boat to _____ and _____ with the tide.

Answer 9

rise; fall

Question 10

List three indications that your anchor may be dragging:

Answer 10

vibrating anchor chain, changes in range or bearings, closeness to another vessel

Question 11

Two anchors set from the bow 45 to 60 degrees apart is called a _____ _____. This method maximizes holding power and reduces _____.

Answer 11

forked moor; swing

Question 12

When approaching a mooring buoy, preparation and _____ between skipper and _____ are essential for a perfect pick up.

Answer 12

planning (or communication); crew

Question 13

The VHF radios is the primary means for making urgent communications. The three levels of urgent calls are _____ for life-threatening situations, _____ for non-life threatening situations and _____ for navigation or weather hazards.

Answer 13

Mayday; Pan Pan; Securite

Question 14

The international Regulations for the Prevention of Collisions at Sea (COLREGS), published under the title _____ _____, establish actions to prevent collisions. Nevertheless, Rule 2 states that _____ is responsible for avoiding a collision.

Answer 14

Navigation Rules; everyone

Question 15

At night, a sailboat under sail may show a masthead _____ light alone. If under power, a boat must show a white _____ light above deck-level sidelights.

Answer 15

tricolor; steaming (or masthead)

Question 16

Before-towing a-dinghy, remove loose gear and tilt or remove the _____. When towing, use a _____ towline, attach the dinghy securely to the sailboat, and tow it at a _____ behind the boat appropriate for the conditions.

Answer 16

outboard; sturdy; distance

Question 17

When arriving in a foreign country, you must fly the _____ flag just below your starboard, spreader. After clearing _____ and _____, you must lower it and fly the nations courtesy flag in its place.

Answer 17

Q flag; customs; immigration

Question 18

A large-scale chart shows a small geographic area in _____ detail. A small-scale chart shows a large area in _____ detail.

Answer 18

great; less

Question 19

To measure the distance between two points on a nautical chart, span your dividers between the two points, then measure on the _____ scale, where 1 minute = 1 _____ _____.

Answer 19

latitude; nautical mile

Question 20

If the distance between waypoints A and B on your course is 18 nm and your speed is 5 knots, your Estimated Time Enroute is _____ hours. If you depart A at 08:45, your ETA at B will be _____.

Answer 20

3.6; 1221

Question 21

Your direction of intended travel is called the _____, but the path that the boat actually follows is the _____. A properly calculated and steered _____ will allow your course and track to be the same.

Answer 21

course; track; heading

Question 22

Dead reckoning uses the boat’s_____, _____, and time elapsed to determine a DR position A DR position does not incorporate _____ or leeway.

Answer 22

heading; speed; current

Question 23

The intersection of two or more _____ _____ _____ gives a fix, which is the calculated position of the boat.

Answer 23

lines of position (or LOPs)

Question 24

When navigating with a GPS plotter it’s important to use the appropriate _____ to ensure you have the correct level of detail for safety.

Answer 24

zoom

Question 25

The vertical datum from which soundings are referenced on NOAA charts is _____ _____ _____ _____. On British Admiralty charts, the virtical datum is _____ _____ _____.

Answer 25

Mean Lower Low Water;

Lowest Astronomical Tide

Question 26

In the Northern hemisphere mid-latitudes, wind circulates clockwise and outward from a _____-pressure system, and counterclockwise and into a _____-pressure system .

Answer 26

High; Low

Question 27

Using the rule of 15’s, state the lower threshold wind speeds for: Small Craft Advisory _____, gale _____, storm _____, and hurricane _____.

Answer 27

20 kt; 35 kt; 50 kt; 65 kt

Question 28

_____ fog forms on clear nights with _____ wind, and will burn off with the sun or dissipate in the wind. A fog that requires wind to transport warm air over cold water, and may persist even in strong winds is called _____ fog.

Answer 28

radiation; calm; advection

Question 29

List at least three actions to take when navigating in low visibility:

Answer 29

take a fix, plot a course, slow down, make sound

signals, hoist a radar reflector

Question 30

Synoptic scale describes weather patterns over a large area, but local winds may be strongly influenced by local factors such as _____.

Answer 30

terrain

Question 31

An onshore breeze, driven by differential heating of land and sea, that may enhance or diminish the synoptic wind, is called a _____ _____.

Answer 31

sea breeze