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Pirajuba Lighthouse

Fl (3) White 15s🇧🇷Alcântara, BROperational

Location & Light Range

About Pirajuba Lighthouse

The Pirajuba lighthouse stands as a white, square pyramidal skeletal tower constructed of concrete, reaching a height of 22 meters. Its light is positioned 64 meters above sea level and emits three white flashes every 15 seconds. This station is situated on a promontory approximately 30 kilometers north of Alcântara, within the Maranhão region of Brazil. Its geographic range extends to 20.6 nautical miles. The lighthouse was removed from the NGA list in 2018.

Why it matters: This lighthouse is essential for coastal navigation north of Alcântara, warning ships about the promontory it occupies.

Light & Optic

Characteristic Signature
Fl (3) White 15s
Flash Type
Flashing
Light Color
White
Flash Count
3 flashes
Interval
15s
Raw Code
Fl W 15s
Focal Height
64m
Geographic Range
20.6NM

Construction & History

Significant events: Dropped by NGA list in 2018

References & Identifiers

Nearest Port
Ponta da Madeira(13.3 km)
Admiralty No.
G0078
NGA No.
17680
ARLHS No.
BRA-081

Tower & Structure

Tower Height
22m
Tower Shape
square
Tower Color
white
Material
concrete

Structure: square pyramidal skeletal tower, painted white

Location

City
Alcântara
Country
🇧🇷Brazil
Region
Maranhão
Sea Region
Located on a promontory about 30 km north of Alcântara
Latitude
-2.3384°
Longitude
-44.3624°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Pirajuba Lighthouse at night?+
Pirajuba displays the characteristic Fl (3) White 15s — 3 white flashes every 15 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 white color may indicate a specific sector or warning zone.
Which ports and harbors does Pirajuba Lighthouse guide vessels into?+
Pirajuba Lighthouse assists vessels approaching 5 nearby ports. The closest is Alcântara at 4.9 NM to the SW. Other ports served include Ponta da Madeira Pt / São Luís (13 NM S), Itaqui Pt / São Luís (14.7 NM S), Sao Luis (14.7 NM S), SAO LUIS (19.7 NM S). Mariners should consult the relevant chart for full approach and pilotage information.
Is Pirajuba Lighthouse still active and maintained?+
Yes, Pirajuba 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 Pirajuba Lighthouse?+
You can track vessels near Pirajuba 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.