Sounds signals

Question 1

Inland Rules signals

Answer 1

• Announce a proposed action
• Maneuver should be delayed until other vessel agrees

Question 2

International Rules signals

Answer 2

• Announce action to be taken.
• No delay for agreement is required

Question 3

1 short blast

Inland

Answer 3

• Crossing: I will leave you on my port.
• Channel: I intend to overtake on your starboard. I agree to be overtaken.

Question 4

2 short blasts

Inland

Answer 4

• Two short, going to port
• Crossing: I will leave you on my starboard
• Channel: I intend to overtake you on your port. I agree to be overtaken.

Question 5

3 short blasts

Inland or International

Answer 5

• I am operating astern propulsion
• Vessel operating in reverse

Question 6

5 short blasts

Inland or International

Answer 6

I don’t understand your intentions

Danger signal

Question 7

1 long blast

Inland

Answer 7

• Warning when approaching a a blind intersection, turn or bend
• Leaving dock or berth
• Return the same signal if you hear this

Question 8

1 short blast

International (open water)

Answer 8

I am altering course to starboard

Question 9

2 short blasts

International (open water)

Answer 9

I am altering course to port

Question 10

2 long, 1 short blasts

International (channel)

Answer 10

I intend to overtake on your starboard

Question 11

2 long, 2 short blasts

International (channel)

Answer 11

I intend to overtake you on port

Question 12

1 long, 1 short, 1 long, 1 short blasts

International (channel)

Answer 12

I agree to be overtaken

Question 13

1 long blast

International (channel)

Answer 13

Approaching a bend in a channel

Question 14

1 long @ 2 min

Restricted Visibility

Answer 14

I am under power and making way

Question 15

2 long @ 2 min

Restricted Visibility

Answer 15

• Sitting too long!
• Vessel under command but not underway

Question 16

1 long, 2 short @ 2 min

Restricted Visibility

Answer 16

• Not under command
• Restricted in maneuverability (underway or anchored)
• Constrained by draft
• Sailing
• Fishing (underway or anchored)
• Towing or pushing

Question 17

1 long, 3 short @ 2 min
Restricted Visibility

Answer 17

Being towed, if manned

Question 18

Rapid 5 sec. bell @ 1 min

Restricted Visibility

Answer 18

At anchor

< 100 m

Question 19

Rapid 5 sec. bell fore, then 5 sec. gong aft @ 1 min

Restricted Visibility

Answer 19

At anchor

>= 100 m

Question 20

1 short, 1 long, 1 short

Restricted Visibility

Answer 20

At anchor

optional

Question 21

Bell 3 claps + Bell rapid 5 sec. + Bell 3 claps @ 1 min

Restricted Visibility

Answer 21

Aground

< 100 m

Question 22

Bell 3 claps + Bell rapid 5 sec. + Bell 3 claps + Gong aft @ 1 min

Restricted Visibility

Answer 22

Aground

>= 100 m

Question 23

Any sound @ 2 min

Restricted Visibility

Answer 23

Vessel < 12 m option

Question 24

Appropriate signal + 4 short blasts

Restricted Visibility

Answer 24

Pilot vessel on duty

Question 25

Fast Five...

Answer 25

...Stay Alive Danger signal - confusion or imminent danger of collision (clarify your intentions) Inland and International

Question 26

Inland - if someone toots...

Answer 26

... you must reply to signal intent

Question 27

Offshore - No whistle...

Answer 27

... show intent by movement

Question 28

3 short, 3 long, 3 short

Answer 28

* SOS - Save Our Ship * MAYDAY signal - direct threat of loss of life or vessel * Response required if seen