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Nosy Lava Lighthouse

Oc W 6s🇲🇬Madagascar, MGOperational

Location & Light Range

About Nosy Lava Lighthouse

Nosy Lava Lighthouse is a 56-meter square tower, first lit in 1955. The structure is painted white with a black lantern room. Its light characteristic is an occulting white light that repeats every 6 seconds. The lighthouse has a focal height of 28 meters and a geographic range of 10 nautical miles. The tower was temporarily extinguished in 2007.

Light & Optic

Characteristic Signature
Oc W 6s
Flash Type
Occulting
Light Color
White
Flash Count
1 flash
Interval
6s
Raw Code
Oc.W. period 6s
Focal Height
28m
Geographic Range
10NM

Construction & History

Year Built
1955

References & Identifiers

Admiralty No.
D7027
NGA No.
32600
Wikidata
Q105650787 →

Tower & Structure

Tower Height
56m
Tower Shape
square
Tower Color
white and black

Structure: White square tower, black lantern; 56. Temporarily extinguished (2007)

Location

City
Madagascar
Country
🇲🇬MG
Latitude
-21.7328°
Longitude
43.2932°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Nosy Lava Lighthouse at night?+
Nosy Lava displays the characteristic Oc W 6s — 1 white flash every 6 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.
Is Nosy Lava Lighthouse still active and maintained?+
Yes, Nosy Lava 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 Nosy Lava Lighthouse?+
You can track vessels near Nosy Lava 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.