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Îlot Madame Lighthouse

Occ G 4s🇲🇬Madagascar, MGOperational

Location & Light Range

About Îlot Madame Lighthouse

The Îlot Madame lighthouse is a white, round tower that became operational in 1882. It measures 26 meters in height. The light characteristic is an occulting green signal, appearing once every 4 seconds. The geographic range of this light is 8 nautical miles.

Light & Optic

Characteristic Signature
Occ G 4s
Flash Type
Occ
Light Color
Green
Flash Count
1 flash
Interval
4s
Raw Code
Oc.G. period 4s
Focal Height
9m
Geographic Range
8NM

Construction & History

Year Built
1882

References & Identifiers

Admiralty No.
D6952
NGA No.
32444
Wikidata
Q105648188 →

Tower & Structure

Tower Height
26m
Tower Shape
round
Tower Color
white

Structure: White round tower; 26

Location

City
Madagascar
Country
🇲🇬MG
Latitude
-17.0033°
Longitude
49.8463°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Îlot Madame Lighthouse at night?+
Îlot Madame displays the characteristic Occ G 4s — 1 green flash every 4 seconds. Each lighthouse has a unique flash pattern published in the List of Lights, allowing mariners to positively identify it and distinguish it from other navigation aids in the area. The green color may indicate a specific sector or warning zone.
Is Îlot Madame Lighthouse still active and maintained?+
Yes, Îlot Madame Lighthouse is currently operational. It is actively maintained and continues to emit its characteristic light signal for marine navigation. Most modern lighthouses are automated and monitored remotely by the national maritime authority.
How can I track vessels near Îlot Madame Lighthouse?+
You can track vessels near Îlot Madame Lighthouse in real time using MarineRadar. The platform shows live AIS positions of ships in the area, including vessel name, type, flag, speed, and course. Use the "Track Vessels Nearby" button on this page to open the live map centered on this lighthouse.