You should already be aware of a boat approaching from astern ... your head needs to be on a swivel as the pilot at all times. You need to know everything about your surroundings. If you hear this signal you should probably slow down and let them pass safely. Don't crowd them or try to out run them.
If another boat signals their intention to pass you from astern, you should answer with the same signal if in agreement and maintain course and speed.
you go and read the manual and then take your test
Move to the right or left and let them pass
answer with same signal and continue maintain course and speed
five or more short blasts
When approaching another vessel head-on, both vessels should alter their course to starboard (right) to pass each other safely. This helps to avoid a collision by ensuring that both vessels steer clear of each other. It's essential to communicate intentions clearly, using sound signals if necessary, and maintain a proper lookout. Always prioritize safety and follow the navigation rules applicable to the situation.
Use hand signals.
Its intentions
Depending on which side they intend to pass you on, they should give you and audible horn blast. One blast indicates passing on the starboard and tow blasts indicate passing on the port. Remember to return the same audible horn signal to let them know that you heard them and are aware of their intentions. One blast from them gets one blast from you and so on. The vessel being passed will remain the Stand - on vessel, which means you do not alter your course or speed. They, being the Give-way vessel must alter speed and course to pass.
Depending on which side they intend to pass you on, they should give you and audible horn blast. One blast indicates passing on the starboard and tow blasts indicate passing on the port. Remember to return the same audible horn signal to let them know that you heard them and are aware of their intentions. One blast from them gets one blast from you and so on. The vessel being passed will remain the Stand - on vessel, which means you do not alter your course or speed. They, being the Give-way vessel must alter speed and course to pass.
When altering your course to port, you should sound one short blast on your horn to indicate your intentions to nearby vessels. This signal is commonly used to indicate that you are changing your course to the left (port side).