International maritime buoyage system

The International Maritime Buoyage System by the International Association of Marine Aids to Navigation and Lighthouse Authorities (IALA) is classified into region A and region B. Korea, Japan, Taiwan, the Philippines, and North?South America follow the system for region B while other countries follow region A.

Types, meanings, color, shape, and signal type for IALA maritime buoy methods (region B)
Type of aid Meaning of aid Color Summit shape Color by signal Signal type
Color Shape Color Signal method
Flank aid Port side aid 1. The aid is located on the far left of the route.
2. There are navigable waters to the right side of the aid.
3. There are obstacles such as rocks, reefs, sunken vessels etc. to the left of the aid.		 Green Green 1 Cylindrical structure Light buoy:
signal

Buoy:
signal

Light beacon:
signal

Beacon sign:
signal 		Green signal
Starboard side aid 1. The aid is located on the far right of the route.
2. There are navigable waters to the left side of the aid.
3. There are obstacles such as rocks, reefs, sunken vessels etc. to the right of the aid.		 Red Red 1 Conical structure Light buoy:
signal

Buoy:
signal

Light beacon:
signal

Beacon sign:
signal 		Red
Port side priority channel aid There is a priority route to the left of the aid. 1 green horizontal line on red background Red 1 Conical structure Light buoy:
signal

Buoy:
signal

Light beacon:
signal

Beacon sign:
signal 		Red signal
Starboard side priority channel aid There is a priority route to the right of the aid. 1 red horizontal line on green background Green 1 Cylindrical structure Light buoy:
signal

Buoy:
signal

Light beacon:
signal

Beacon sign:
signal 		Green
Bearing aid North cardinal aid 1. There are navigable waters to the north of the aid.
2. There are obstacles such as rocks, reefs, sunken vessels etc. to the south of the aid.
3. Entry/exit·curve point·intersection or junction for the route is to the north of the aid.		 Upper section black, lower section yellow Black 2 Conical bell-type structures (tip of the bell facing upwards) Light buoy:
signal

Buoy:
signal

Light beacon:
signal

Beacon sign:
signal 		White signal
East cardinal aid 1. There are navigable waters to the east of the aid.
2. There are obstacles such as rocks, reefs, sunken vessels etc. to the west of the aid.
3. Entry/exit·curve point·intersection or junction for the route is to the east of the aid.		 1 yellow horizontal line on black background Black 2 Conical bell-type structures (tip of the bell facing downwards) Light buoy:
signal

Buoy:
signal

Light beacon:
signal

Beacon sign:
signal 		White signal
South cardinal aid 1. There are navigable waters to the south of the aid.
2. There are obstacles such as rocks, reefs, sunken vessels etc. to the north of the aid.
3. Entry/exit·curve point·intersection or junction for the route is to the south of the aid. 		Upper section yellow, lower section black Black 2 Conical bell-type structures (tip of the bell facing downwards) Light buoy:
signal

Buoy:
signal

Light beacon:
signal

Beacon sign:
signal 		White signal
West cardinal aid 1. There are navigable waters to the west of the aid.
2. There are obstacles such as rocks, reefs, sunken vessels etc. to the east of the aid.
3. Entry/exit·curve point·intersection or junction for the route is to the west of the aid. 		1 black horizontal line on yellow background Black 2 Conical bell-type structures (tip of the bell facing upwards) Light buoy:
signal

Buoy:
signal

Light beacon:
signal

Beacon sign:
signal 		White signal
Isolated danger aid There are isolated obstacles such as rocks, reefs, sunken vessels etc. at or near the aid. 1 red horizontal line on black background Black 2 Conical bell structures Light buoy:
signal

Buoy:
signal

Light beacon:
signal

Beacon sign:
signal 		White signal
Safe waters aid 1. There are navigable waters near the aid.
2. The aid is located at the center of navigable waters.		 1 red/white vertical line Red 1 Circular structure Light buoy:
signal

Buoy:
signal 		White signal
Special purpose aid 1. The waters surrounding the aid are located near the border of special zones such as construction sites.
2. There are special purpose facilities located near or at the aid. 		Yellow Yellow 1 X-type
structure		 Light buoy:
signal

Buoy:
signal

Light beacon:
signal

Beacon sign:
signal 		Yellow signal
New hazardous material aid Indicates the location of new hazardous obstacles such as sunken vessels when they occur. Blue/yellow vertical lines Yellow + type signal Blueㆍyellow
arc light		 signal
Light vessel Generally placed in critical waters with heavy traffic to serve as landfall markers. Red - - signal Select appropriately -
signal

Coastal Passenger Ferry
Route Ship Name Total Tonnage Passenger Cap.
(Person)		 Passenger Transportation during 2013(Person)
Gunsan-Piando Okdo Ferry 169 253 145,708
Jindalrae 52 90
Gunsan-Maldo Jangja Ferry 124 166 25,091
Gunsan-Keyado Keya Ferry 104 92 19,131
Gunsan-Eochungdo New Eochung Ferry 121 140 22,958
Yido-Kyokpo Daewon Car Ferry 350 322 202,973
Pajanggeum Car Ferry 350 322
Total Sum 1,270 1,385 415,861
SITE MAP
sitemap close
  1. INTRODUCTION
    1. Greeting
    2. History of Office
    3. Organization
    4. Location Map
  2. PORT INFORMATION
    1. Gunsan Port Overview
    2. Gunsan Port pier status
    3. Exclusive piers
    4. Janghang Port
    5. Inner port
    6. Saemangeum Shinhang(new port) construction
    7. User information and port entry/exit
    8. Other information
  3. SAFETY & SECURITY
    1. General
    2. VTS Area
    3. Reporting, Pilotage and Communication
    4. VTS Website
  4. MARITIME AFFAIRS SAFETY FACILITIES
    1. Origin of lighthouses
    2. History of lighthouses in Korea
    3. Timeline for navigational beacons
    4. Navigational beacons overview
    5. Navigational beacon management office
    6. Navigational Aids Patrol Ships
    7. International maritime buoyage system
  5. MARINE ENVIROMENT
    1. What are public waters?
    2. Marine enviromental remediation activities
    3. Sea area utilization consultation
    4. Management of uninhabited islands
  6. PASSENGER TRANSPORT
    1. Passenger Transport