Sounds signals Flashcards
Inland Rules signals
- Announce a proposed action
- Maneuver should be delayed until other vessel agrees
International Rules signals
- Announce action to be taken.
- No delay for agreement is required
1 short blast
Inland
- Crossing: I will leave you on my port.
- Channel: I intend to overtake on your starboard. I agree to be overtaken.
2 short blasts
Inland
- 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.
3 short blasts
Inland or International
- I am operating astern propulsion
- Vessel operating in reverse
5 short blasts
Inland or International
I don’t understand your intentions
Danger signal
1 long blast
Inland
- Warning when approaching a a blind intersection, turn or bend
- Leaving dock or berth
- Return the same signal if you hear this
1 short blast
International (open water)
I am altering course to starboard
2 short blasts
International (open water)
I am altering course to port
2 long, 1 short blasts
International (channel)
I intend to overtake on your starboard
2 long, 2 short blasts
International (channel)
I intend to overtake you on port
1 long, 1 short, 1 long, 1 short blasts
International (channel)
I agree to be overtaken
1 long blast
International (channel)
Approaching a bend in a channel
1 long @ 2 min
Restricted Visibility
I am under power and making way
2 long @ 2 min
Restricted Visibility
- Sitting too long!
- Vessel under command but not underway
1 long, 2 short @ 2 min
Restricted Visibility
- Not under command
- Restricted in maneuverability (underway or anchored)
- Constrained by draft
- Sailing
- Fishing (underway or anchored)
- Towing or pushing
1 long, 3 short @ 2 min
Restricted Visibility
Being towed, if manned
Rapid 5 sec. bell @ 1 min
Restricted Visibility
At anchor
< 100 m
Rapid 5 sec. bell fore, then 5 sec. gong aft @ 1 min
Restricted Visibility
At anchor
>= 100 m
1 short, 1 long, 1 short
Restricted Visibility
At anchor
optional
Bell 3 claps + Bell rapid 5 sec. + Bell 3 claps @ 1 min
Restricted Visibility
Aground
< 100 m
Bell 3 claps + Bell rapid 5 sec. + Bell 3 claps + Gong aft @ 1 min
Restricted Visibility
Aground
>= 100 m
Any sound @ 2 min
Restricted Visibility
Vessel < 12 m option
Appropriate signal + 4 short blasts
Restricted Visibility
Pilot vessel on duty
Fast Five…
…Stay Alive
Danger signal - confusion or imminent danger of collision (clarify your intentions)
Inland and International
Inland - if someone toots…
… you must reply to signal intent
Offshore - No whistle…
… show intent by movement
3 short, 3 long, 3 short
- SOS - Save Our Ship
- MAYDAY signal - direct threat of loss of life or vessel
- Response required if seen