Shirasaki Lighthouse
Fl W 4s🇯🇵Shikoku-South coast, JPOperational
Location & Light Range
About Shirasaki Lighthouse
The Shirasaki Lighthouse features a red, cylindrical concrete tower that stands 23 meters high. Its white light flashes once every 4 seconds. The focal height of the light reaches 56 meters above sea level. This structure marks the Shikoku-South coast.
Why it matters: Its light has a geographic range of 12 nautical miles, serving as a guide for vessels in the area.
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
- 56m
- Light Range
- 12NM (22.2 km)
- Geographic Range
- 12NM
Location
- City
- Shikoku-South coast
- Country
- 🇯🇵JP
- Latitude
- 32.8535°
- Longitude
- 132.6570°
Nearby Vessels
Tower & Structure
- Tower Height
- 23m
- Tower Shape
- cylindrical
- Tower Color
- red
- Material
- concrete
Structure: Red cylindrical mast; 23
References & Identifiers
- Admiralty No.
- M5610.2
- NGA No.
- 10520
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