Navigation

Question 1

Sound signal for vessel underway in fog

Answer 1

One long blast 6 to 7 seconds every two minutes

Five short blast = danger

Question 2

Five short blast with a sound producing device indicates what

Answer 2

Danger

Question 3

Headway speed

Answer 3

The slowest speed at which it is possible to maintain steering/control of a watercraft

May not operate greater than heading speed while within 200 feet of Shoreline or within Marina or anchoring

Question 4

Starboard

Answer 4

Right side of the boat

 always pass another boat on the right side

Question 5

Dead head

Answer 5

Log/large tree in waterway

 submerged, just below the surface and difficult to see

 can damage/sink fiberglass boat if struck

Question 6

Divers flag

Answer 6

Maintain distance of at least 100 feet diver down, flag red and white

Question 7

Buoy with black and white vertical stripes

Answer 7

Indicates a shoal

Question 8

Red buoy with vertical stripes

Answer 8

Marked the center of a channel

Question 9

Cross bearing

Answer 9

Two fixed objects on land take bearing with chart

Question 10

Set & drift

Answer 10

Set: direction water is moving
Drift: speed of current

To cross a current need to compensate for the set and drift

Calculation factors:
Paddling, speed, destination, distance, direction, and speed of current

Question 11

Longitude

Answer 11

Measured east or west

Question 12

Latitude

Answer 12

One minute of latitude equal to one nautical mile

1° equals 60 minutes

Measured north or south

Question 13

Small craft advisory

NOAA reports update every 3 to 4 hours 

Answer 13

When’s 18 to 33 kn?

Question 14

Gale warning

Answer 14

Wins 34 to 47 Knott

Question 15

Hurricane warning

Answer 15

 when’s greater than 64 kn

Question 16

Sounding

Answer 16

Average value at low tide during mean lower low water

Question 17

One fathom is equal to how many feet

Answer 17

6 feet

Question 18

Buoys and markers are the _____________ that guide watercraft safely

Answer 18

Traffic signals

Question 19

What are cans?

Answer 19

Lateral marker/buoy

Green cylinder, Buoy with odd numbers

Left side of channel as boater enters from open Sea or heads upstream

Marker numbers go up as you go upstream

Question 20

Non-lateral markers

Answer 20

Informational navigation aids

Squares give info

Circles are controlled areas

Crossed diamonds mean off limits swimming area

Diamond means danger, rocks

Inland obstruction marker

Mooring buoy

Question 21

Float plan

Answer 21

Note that is left with a trusted individual or on land in case of emergency details are known about your trip and then people that are on it

Question 22

What are nuns?

Answer 22

Lateral marker marks, edge of safe waters

Red cone shaped buoy

Red right returning

Red always on right as you’re returning from open water

Red colors, red lights and even numbers that go up as you go further into the harbor or upstream

Question 23

How are lateral markers helpful?

Answer 23

Navigation aids, Mark edge of safe water, direct traffic in channel, colors/numbers

Question 24

What details should be on a float plan?

Answer 24

 point of departure, departure time, intended route, safety device on board, what if plan, car, parked location, number in group, Coast Guard, phone numbers, point of return

Question 25

Dead reckoning

Answer 25

Using speed and time to keep track of where you are or where you are going and where and when you’ll arrive

Question 26

Piloting

Answer 26

Using known visible landmarks and references to keep track of where you are and where you are going

Question 27

What is a heading?

Answer 27

Direction the boat is pointed

Question 28

Nautical mile

Answer 28

One nautical mile is equal to 6080 feet One item is equal to one minute of latitude One nautical mile is equal to 1.15 statute miles