International Association of Lighthouse Authorities

Encyclopedia : I : IN : INT : International Association of Lighthouse Authorities

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The International Association of Lighthouse Authorities (or IALA for short) is a non-profit organization founded in 1957 to collect and provide nautical expertise and advice.

Headquarters

Its office is located in Saint-Germain-en-Laye, France.

Main recommendations

The IALA is primarily known for its buoyage or sea mark systems that are used in the pilotage of vessels at sea:

• Lateral marks indicate the edges of a channel.
• Cardinal marks indicate the direction of safe water at a dangerous spot.
• Safe water marks indicate the deep water and open end of a channel.
• Special marks indicate administrative areas, such as speed restrictions or water skiing areas.
• Isolated danger marks indicate a hazard to shipping.

Each type of mark has a distinctive colour, shape and possibly a characteristic light.

See also

• International Hydrographic Organization
• IALA (TLA)

External links

• [Homepage of the International Association of Lighthouse Authorities]

 

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