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Pillar Rock Lighthouse

Fl G 4s🇦🇬Antigua and Barbuda, AGOperational

Location & Light Range

About Pillar Rock Lighthouse

Pillar Rock is a white, round concrete tower with its name displayed on the side. It emits a single red flash every 7 seconds. The focal plane of the light is 32 meters above sea level, providing a geographic range of 5 nautical miles. The structure itself is a white building.

Light & Optic

Characteristic Signature
Fl G 4s
Flash Type
Flashing
Light Color
Green
Flash Count
1 flash
Interval
4s
Raw Code
Fl.R. period 7s
Focal Height
32m
Geographic Range
5NM

Location

City
Antigua and Barbuda
Country
🇦🇬AG
Latitude
17.1283°
Longitude
-61.8790°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Shape
round
Tower Color
white
Material
concrete

Structure: White building, name on side

References & Identifiers

Admiralty No.
J5694
NGA No.
14772
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Frequently Asked Questions

How do mariners identify Pillar Rock Lighthouse at night?+
Pillar Rock displays the characteristic Fl G 4s — 1 green flash every 4 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 green color may indicate a specific sector or warning zone.
Which ports and harbors does Pillar Rock Lighthouse guide vessels into?+
Pillar Rock Lighthouse assists vessels approaching 5 nearby ports. The closest is Saint John's at 1.5 NM to the E. Other ports served include Parham (6.6 NM E), Falmouth (8.8 NM SE), Antigua (9.2 NM SE), Little Bay (27.1 NM SW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Pillar Rock Lighthouse still active and maintained?+
Yes, Pillar Rock 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 Pillar Rock Lighthouse?+
You can track vessels near Pillar Rock 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.