Sound signals for boating

Restricted Visibility:

1 Short blast= I'm leaving you on my starboard side

2 short blast= I'm leaving you on my port side

3 short blast= I'm operating astern propulsion

4 short blast= A pilot vessel engaged in pilotage duty

1 Long 2 Short Blasts:

Not under command

Restricted in ability to maneuver

Constrained by draft

Fishing

Sailing

Pilotage

Seaplane

100 meters or less= ring a bell rapidly for 5 seconds every min Rapid

bell 5 seconds every 1 min= at anchor Rapid bell followed by 3 distinct

strokes= aground

1 long every 2 min= u/w making way

2 long every 2 min= u/w not making way