treat the marker as a lateral marker painted in the colour of the horizontal stripe

treat the marker as a lateral marker painted in the major colour

treat the marker as a lateral marker painted in the minor colour

treat the marker as a lateral marker painted in red or green colour

you are aware that the assistance is immediately available

nobody will help you

back-up assistane is not provided

you have to look straight ahead

start changing over the watch procedure

wait until it is finished

call the master

leave the bridge

update

develop

enrich

treat

make larger

be upright

it is a navigation plan for the safe conduct of the ship from one berth to another port

it is a navigation plan for the safe conduct of the ship from berth to berth

it is a navigation plan for the safe conduct of the ship from one country to another

it is a plan to pass through the canal / channel

Mariner’s Handbook

List of Lights and Fog Signals

List of Radio Signals

Sailing Directions

diaphones warn vehicles of navigational hazards like rocky coastline, or shoals, in foggy conditions

diaphones carry horns that are sounded at regular intervals by mechanical or electrical means

diaphones carry a whistle that is activated by the rise and fall of the buoy on the seaways

diaphones have a series of hammered gongs mounted in a vertical stack, each with a different tone, moved by the motion of the sea

sign

beacon

horn

lighthouse

cycle

gong