Get the MarineRadar appSatellite AISSatellite live trackingTrack any shipLive alerts112,000+ ships trackedDownload free

Hermana Mayor Island Lighthouse

Fl W 5s🇵🇭Northern Philippines, PHOperational

Location & Light Range

About Hermana Mayor Island Lighthouse

Hermana Mayor Island lighthouse, established in 1914, was rebuilt in 1989. The current structure is a 9-meter round concrete tower painted white, with a gallery. Its light displays three white flashes every 5 seconds. The focal height of the light is 48 meters, providing a geographic range of 5 nautical miles. The original light operated from a wooden skeletal tower of the same height.

Why it matters: This lighthouse serves as a landfall light for the city of Santa Cruz in the Northern Philippines.

Light & Optic

Characteristic Signature
Fl W 5s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
5s
Raw Code
Fl
Focal Height
48m
Geographic Range
5NM

Construction & History

Year Built
1989
First Lit
1914

References & Identifiers

Admiralty No.
F2684
NGA No.
14388
ARLHS No.
PHI-028
OpenStreetMap
View on OSM →

Tower & Structure

Tower Shape
round
Tower Color
white
Material
concrete

Location

City
Northern Philippines
Country
🇵🇭PH
Latitude
15.7922°
Longitude
119.7965°

Nearby Vessels

Flag
Type
Name
Dist.
Live tracking · 50,000+ mariners

Find Hermana Mayor Island Lighthouse on the live nautical map

Plan voyages near PH, see nearby vessels in real time, and explore 14,900+ navigation aids in the app.

Nautical mapNearby vesselsVoyage planning
Get the App

Frequently Asked Questions

How do mariners identify Hermana Mayor Island Lighthouse at night?+
Hermana Mayor Island displays the characteristic Fl W 5s — 1 white flash every 5 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.
Which ports and harbors does Hermana Mayor Island Lighthouse guide vessels into?+
Hermana Mayor Island Lighthouse assists vessels approaching 3 nearby ports. The closest is Santa Cruz/Sual at 6 NM to the ESE. Other ports served include Masinloc/Sual (16.5 NM SSE), Sual (24.4 NM NE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Hermana Mayor Island Lighthouse still active and maintained?+
Yes, Hermana Mayor Island 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 Hermana Mayor Island Lighthouse?+
You can track vessels near Hermana Mayor Island 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.