Sounds

Question 1

altering course to Starboard

Answer 1

One short blast

Question 2

altering course to Port

Answer 2

two short blasts

Question 3

operating Astern propulsion

Answer 3

three short blasts

Question 4

I intend to overtake on starboard side

Answer 4

two prolonged by one short

Question 5

I intend to overtake you on port side

Answer 5

two prolonged blasts followed by two short blasts

Question 6

vessel being overtaken

Answer 6

one prolonged one short one prolonged one short

Question 7

vessel in sight either vessel fails to understand the intentions of the other vessel

Answer 7

five short rapid blasts

Question 8

power driven vessel making way restricted visibility

Answer 8

one prolonged blasts in intervals of not more than 2 minutes

Question 9

power driven vessel underway but stopped
restricted visibility

Answer 9

intervals of not more than 2 minutes two prolonged blasts in succession with an intervals of about 2 seconds between them

Question 10

not under command, restricted in ability to manoeuvre, constrained by draught, sailing vessel, vessel engaged in fishing and a vessel engaged in towing and pushing another vessel
restricted visibility

Answer 10

intervals of no more than 2 minutes 3 blasts in succession namely one prolonged followed by two short

Question 11

vessel being towed if manned restricted viability

Answer 11

intervals of no more than 2 minutes four blasts namely one
prolonged followed by 3 short when practicable signal made directly after the signal made by towing vessel

Question 12

pushing vessel are rigidly connected
restricted visibility

Answer 12

on power unit

Question 13

vessel at anchor
restricted visibility

Answer 13

no more than 1 minute ring bell rapidly for about 5 seconds

Question 14

anchored
vessel 100m or more
restricted visibility

Answer 14

ring bell rapidly 5 seconds then ring bong rapidly for 5 seconds may in a addition supplement in succession one short one prolonged and one short

Question 15

vessel aground
restricted visibility

Answer 15

bell 5 seconds gong 5 seconds then three distinct strokes on bell immediately before and after ringing the bell

Question 16

vessel less than 12m vessel 12 m or more but less than 20m
restricted visibility

Answer 16

not obliged to give bell signals however she shall make some other efficient sounds signals at invtervals of no more than 2 minutes

Question 17

pilot vessel restricted visibility

Answer 17

power driven underway but stopped power driven vessel underway vessel at anchor