Umashima Lighthouse
Fl (2) Alt 12s🇯🇵Honshu-Northwest Coast, JPOperational
Location & Light Range
About Umashima Lighthouse
This lighthouse features a quadrilateral latticed tower built from fiberglass, standing 34 meters high. Its exterior is painted white and green and includes a rectangular daymark in matching colors. The lighthouse emits an alternating white and green light, showing one white flash followed by one green flash every 12 seconds. The focal height of the light is 34 meters, and its geographic range extends to 7 nautical miles.
Light & Optic
Characteristic Signature
Fl (2) Alt 12s
- Flash Type
- Flashing
- Light Color
- Alt
- Flash Count
- 2 flashes
- Interval
- 12s
- Raw Code
- Fl.W.G. period 12s
- Focal Height
- 34m
- Light Range
- 16NM (29.6 km)
- Geographic Range
- 7NM
Location
- City
- Honshu-Northwest Coast
- Country
- 🇯🇵JP
- Latitude
- 34.9036°
- Longitude
- 132.0480°
Nearby Vessels
Tower & Structure
- Tower Shape
- quadrilateral
- Tower Color
- white and green
- Material
- fiberglass
Structure: Quadrilateral latticed tower, green and white rectangular daymark
References & Identifiers
- Admiralty No.
- M7348
- NGA No.
- 1824
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