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Hatter Barn Lighthouse

Fl (4) Yellow 10s🇩🇰DKOperational

Location & Light Range

About Hatter Barn Lighthouse

Hatter Barn is a 9-meter tall, yellow cylindrical post supporting a lantern and gallery. This active light emits a yellow flash every 10 seconds, visible for 10 nautical miles. It is located in Danish waters, southwest of the Hatterrev light, and approximately 7.2 kilometers by sea from Ballen, the nearest port. The site is open to the public, but the tower itself is closed. Its structure is a simple post, functioning as a navigational aid in the area.

Why it matters: Hatter Barn's yellow light is important for vessels navigating near the Hatterrev, a potentially hazardous shallow area off the Danish coast. Its specific light characteristic aids in distinguishing it from other aids, ensuring safe passage.

Light & Optic

Characteristic Signature
Fl (4) Yellow 10s
Flash Type
Flashing
Light Color
Yellow
Flash Count
4 flashes
Interval
10s
Raw Code
Fl Y 10s
Focal Height
9m
Geographic Range
10NM

Location

Country
🇩🇰Denmark
Sea Region
Located in Danish waters, southwest of the Hatterrev light, likely marking a navigational point near the Hatterrev reef or shoal.
Latitude
55.9022°
Longitude
10.7911°

References & Identifiers

Nearest Port
Ballen(7.2 km)
Admiralty No.
C1497.4
NGA No.
3552

Tower & Structure

Tower Height
9m
Tower Shape
cylindrical
Tower Color
yellow

Structure: A 9m yellow cylindrical post with a lantern and gallery.

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Hatter Barn Lighthouse at night?+
Hatter Barn displays the characteristic Fl (4) Yellow 10s — 4 yellow flashes every 10 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 yellow color may indicate a specific sector or warning zone.
Which ports and harbors does Hatter Barn Lighthouse guide vessels into?+
Hatter Barn Lighthouse assists vessels approaching 5 nearby ports. The closest is Sælvig Havn at 8.5 NM to the WSW. Other ports served include ROSNAS HAVN (10.5 NM SSE), Kolby Kås (10.9 NM SW), Sejerø (11.6 NM E), Tunø (11.7 NM WNW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Hatter Barn Lighthouse still active and maintained?+
Yes, Hatter Barn 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.
What shipping routes pass near Hatter Barn Lighthouse?+
Hatter Barn Lighthouse is located within the Baltic Sea trade route — a vital shipping corridor for trade between Scandinavian, German, Polish, and Baltic state ports. This makes it an important navigation reference for commercial shipping traffic in the region.
How can I track vessels near Hatter Barn Lighthouse?+
You can track vessels near Hatter Barn 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.