Ai Shima Lighthouse
Occ W 4s🇯🇵Ehime (Western Shikoku), JPOperational
Location & Light Range
About Ai Shima Lighthouse
Ai Shima Lighthouse is a concrete tower built in 2022, standing 36 meters tall. Its focal plane is 65 meters above sea level, and it emits a geographic range of 12 nautical miles. The light displays four flashes—white, red, and green—repeating every 12 seconds. This round, white structure is situated on a small, inhabited island in Aki Bay. Access to the island is exclusively by boat.
Light & Optic
Characteristic Signature
Occ W 4s
- Flash Type
- Occ
- Light Color
- White
- Flash Count
- 1 flash
- Interval
- 4s
- Raw Code
- Fl.(4)W.R.G. period 12s
- Focal Height
- 65m
- Geographic Range
- 12NM
Construction & History
- Year Built
- 2022
References & Identifiers
- Admiralty No.
- M5445
- NGA No.
- 8896
- ARLHS No.
- JPN-006
Tower & Structure
- Tower Height
- 36m
- Tower Shape
- round
- Tower Color
- white
- Material
- concrete
Structure: White tower; 36
Location
- City
- Ehime (Western Shikoku)
- Country
- 🇯🇵JP
- Latitude
- 34.0709°
- Longitude
- 132.7109°
Nearby Vessels
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