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Mercusuar · A lens, and in time an institution

I’m Canggih — building Mercusuar, a lens and an institution for ASEAN maritime intelligence.

Open intelligence for the waters the region shares — written in decades, not news cycles. Show the depth, don’t announce it.

Read the work The mission
  • Ocean Engineer (ITB)
  • PMP
  • Maritime analyst
  • Writing at Mercusuar

The mission, in brief

The sea the region shares is also the risk it shares — oil on the water, a vessel gone dark, a cable cut in the deep. Mercusuar is the lens that reads it, and the open record that outlives any one byline.

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Featured writing

All essays

Field note · Natuna

The strait does not announce itself

What the loitering hulls off Natuna tell us about a decade of quiet contest — read in traffic, not communiqués.

May 202612 minmaritime

Analysis · Malacca

A vessel that goes dark is hiding from the record

Three hours of AIS silence is not a gap in the data. It is the data — if you know where to stand.

Apr 20269 minIndo-Pacific

Evidence the lens is real

Work

All work

AIS dark-activity detector

2025

A pipeline that flags vessels going dark in contested waters, with a reproducible scoring method.

  • Python
  • AIS
  • GeoPandas

Natuna loitering dataset

2025

An open, queryable record of loitering events off the Natuna shelf, indexed by H3 cell and time.

  • DuckDB
  • H3
  • Parquet

Reading

The shelf
  • The Sea and CivilizationLincoln Paine
  • MonsoonRobert D. Kaplan
  • The MuqaddimahIbn Khaldun
  • The Geography of the PeaceN. J. Spykman

Now

Updated 26 Jun 2026

Reading the Natuna AIS backlog and drafting the MTM application. Slow weeks, on purpose — the dataset rewards patience.

The journal

For partners, fellows & investors

Build the institution with me.

If you work on the waters the region shares — ecology, navigation, the undersea — there’s a door here for you.

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