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Sìtuǐyǔ Lighthouse

Fl (2) White 6s🇨🇳CNOperational

Location & Light Range

About Sìtuǐyǔ Lighthouse

Also known as: Sìtuǐyǔ (Sìtuǐ Yǔ)

This hexagonal concrete tower, painted white, stands 13 meters tall and was constructed in 1984. It is located on an islet about 7 kilometers west of Xīyángdǎo. The light emits a white flash every 6 seconds from a focal height of 44 meters, visible for 17.7 nautical miles. The lighthouse station was established in 1954. The islet, named 'Four-legged Islet', is situated in the Fujian region of China, near the port of Lian Jiang.

Why it matters: The lighthouse marks the Four-legged Islet, a navigational hazard west of Xīyángdǎo, providing a reliable reference for vessels in the area.

Light & Optic

Characteristic Signature
Fl (2) White 6s
Flash Type
Flashing
Light Color
White
Flash Count
2 flashes
Interval
6s
Raw Code
Fl W 6s
Focal Height
44m
Geographic Range
17.7NM

Construction & History

Year Built
1984

Significant events: station established 1954

References & Identifiers

Nearest Port
Lian Jiang(12.5 km)
Admiralty No.
P3641.8.

Tower & Structure

Tower Height
13m
Tower Shape
hexagonal
Tower Color
white
Material
concrete

Structure: hexagonal concrete tower, painted white

Location

Country
🇨🇳China
Region
Fujian
Sea Region
Located on an islet about 7 km west of Xīyángdǎo. The name means 'Four-legged Islet.'
Latitude
26.5104°
Longitude
119.9659°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Sìtuǐyǔ Lighthouse at night?+
Sìtuǐyǔ displays the characteristic Fl (2) White 6s — 2 white flashes 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. The white color may indicate a specific sector or warning zone.
Which ports and harbors does Sìtuǐyǔ Lighthouse guide vessels into?+
Sìtuǐyǔ Lighthouse assists vessels approaching 5 nearby ports. The closest is LIAN JIANG at 12.6 NM to the SSW. Other ports served include LUOYUAN (16.1 NM W), Ningde (20.6 NM NW), MATSU (21 NM S), Zhangwan (23.5 NM WNW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Sìtuǐyǔ Lighthouse still active and maintained?+
Yes, Sìtuǐyǔ 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 Sìtuǐyǔ Lighthouse?+
You can track vessels near Sìtuǐyǔ 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.