General Classification

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General Classification and Kinds

Indicating the location of lighthouse using the light, mark, sound or radio wave, those are classified into visual aids, figure mark, sound aids, wave aids and special signal marks.

Visual aids

It produces lights at nighttime. This structure also serves as a nautical mark. It includes lighthouse, light mark, leading lights, Range lantern lights, directional lights, light pole and light buoy.

Visual aids
Daejin Lighthouse Mulchihang-groin Lighthouse
Daejin Lighthouse Mulchihang-groin Lighthouse
Jodo east light mark Jeojin leading lights
Jodo east light mark Jeojin leading lights

Figure Mark

It indicates the locations using a shape or color, which includes unlighted beacon, guide mark and buoy.

Figure Mark
Unilghted beacon Buoy
Unilghted beacon Buoy

Sound Aids

It is installed on a lighthouse or large lighted buoy to make a sound when a visibility is extremely limited due to fog, snow, rain or dust to indicate the location. It includes electrical horn, air siren, motor siren and bell etc.

Sound Aids
Air compressor Air tank Air siren
Air compressor Air tank Air siren

Radio Wave Aids

It is used as navigation aids for its uniformity, straightness and delectableness. It includes radio beacon, raider beacon, raymark beacon, DGPS and radar station.

Radio Wave Aids
Diagram Transmission
equipment(DGPS)
Transmission antenna Radar beacon
Diagram Transmission equipment(DGPS) Transmission antenna Radar beacon

Special Signal Mark

It provides the vessels travelling the narrow straits or waterways with traffic conditions, navigation data, or direction of the tide by means of radio wave or figure marks. It includes VTS, weather and tide signal marks.

Special Signal Mark
Shopping Traffic Control Signal Station Tide Signal Station
Shopping Traffic Control Signal Station Tide Signal Station

IALA Buoy Mark

IALA buoy mark, defined by International Association of Lighthouse Authorities, is intended to identify the boundary, natural dangerous objects, obstacles, or important straits or location. The figures below show the layout of navigation aids indicating the route according to IALA marks. The figures and meanings thereof indicate the functions of each mark.

IALA Buoy Mark