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Xialanshan Lighthouse

Fl W 4s🇨🇳Southeastern Zhoushan Islands, Zhejiang, CNOperational

Location & Light Range

About Xialanshan Lighthouse

Xialanshan Lighthouse is a red, truncated conical tower constructed from concrete. It reaches a height of 70 meters, with the focal plane of the light set at 20 meters. The lighthouse emits a single white flash every 4 seconds. Its geographic range extends to 10 nautical miles. The tower's construction material is concrete.

Light & Optic

Characteristic Signature
Fl W 4s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
4s
Raw Code
Fl.W. period 4s
Focal Height
20m
Geographic Range
10NM

Location

City
Southeastern Zhoushan Islands, Zhejiang
Country
🇨🇳CN
Latitude
29.8117°
Longitude
122.2387°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
70m
Tower Shape
conical
Tower Color
red
Material
concrete

Structure: Red truncated conical concrete tower; 70

References & Identifiers

Admiralty No.
P3714.18
NGA No.
18948
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Frequently Asked Questions

How do mariners identify Xialanshan Lighthouse at night?+
Xialanshan displays the characteristic Fl W 4s — 1 white 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.
Which ports and harbors does Xialanshan Lighthouse guide vessels into?+
Xialanshan Lighthouse assists vessels approaching 5 nearby ports. The closest is Zhoushan at 6.8 NM to the NNW. Other ports served include LIUHENG (7 NM SW), Majistan/Zhoushan (14.3 NM NNW), Daxie Pt (15.6 NM WNW), Beilun (19.9 NM WNW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Xialanshan Lighthouse still active and maintained?+
Yes, Xialanshan 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 Xialanshan Lighthouse?+
You can track vessels near Xialanshan 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.