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Justicia Alta Lighthouse

Oc White/Red 5s🇦🇷Puerto San Julián, AROperational

Location & Light Range

About Justicia Alta Lighthouse

Also known as: #Justicia Alta (Puerto San Julián Fourth Range Rear)

Located on the west side of the San Julián estuary, Justicia Alta marks the southern approach to Puerto San Julián. The current structure is a triangular skeletal mast. Previously, a 21-meter square pyramidal skeletal tower, supported by four concrete piles, served this purpose. The light emits a white or red color, depending on the sector, with an occulting characteristic on a 5-second cycle. Its focal height reaches 33 meters, providing a geographic range of 15.9 nautical miles.

Why it matters: Justicia Alta is essential for safe passage into and out of Puerto San Julián, offering critical directional guidance with its sector light.

Light & Optic

Characteristic Signature
Oc White/Red 5s
Flash Type
Occulting
Light Color
White/Red
Interval
5s
Raw Code
Oc W R 5s (sector)
Focal Height
33m
Geographic Range
15.9NM

Construction & History

Significant events: Tower replaced by triangular skeletal mast

References & Identifiers

Nearest Port
San Julian(1.1 km)
Admiralty No.
G1178.1
NGA No.
19996

Tower & Structure

Tower Height
21m
Tower Shape
square
Material
concrete

Structure: square pyramidal skeletal tower, mounted on four concrete piles

Location

City
Puerto San Julián
Country
🇦🇷Argentina
Region
Santa Cruz
Sea Region
San Julián estuary, marking the west side on the south side of Puerto San Julián
Latitude
-49.3175°
Longitude
-67.7179°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Justicia Alta Lighthouse at night?+
Justicia Alta displays the characteristic Oc White/Red 5s. 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/red color may indicate a specific sector or warning zone.
Which ports and harbors does Justicia Alta Lighthouse guide vessels into?+
Justicia Alta Lighthouse assists vessels approaching 1 nearby port. The closest is San Julian at 0.7 NM to the NNE. Mariners should consult the relevant chart for full approach and pilotage information.
Is Justicia Alta Lighthouse still active and maintained?+
Yes, Justicia Alta 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 Justicia Alta Lighthouse?+
You can track vessels near Justicia Alta 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.