Question 1

Where is BRP TARLAC LD601 right now?

Accepted Answer

BRP TARLAC LD601 has not broadcast an AIS position for 22 days. The most recent broadcast placed it in the South China Sea, on 16 Jul 2026, 21:28 UTC. It was sailing from CEBU to SURABAYA. Vessels stop appearing on terrestrial AIS when they move beyond receiver range, so a gap does not necessarily mean the vessel is inactive.

Question 2

What are the identifiers for BRP TARLAC LD601?

Accepted Answer

BRP TARLAC LD601 broadcasts MMSI 548118500 and is registered as IMO 9745639, with call sign 4DIIF. The MMSI is the radio identifier used by AIS; the IMO number stays with the ship for life and does not change with re-flagging or sale.

Question 3

What type of ship is BRP TARLAC LD601?

Accepted Answer

BRP TARLAC LD601 is classified as a military ops vessel registered under the PH flag. The vessel-type classification is derived from the AIS Type field broadcast by the ship's transponder; full military ops fleet at /vessel-type/military-special and full PH flag list at /flag/ph.

Question 4

How can I see the live position of BRP TARLAC LD601?

Accepted Answer

MarineRadar shows the latest AIS broadcast from BRP TARLAC LD601 above, with current position, course, speed, and navigation status. Tap "View on map" to centre the live tracker on the vessel and watch its movement update in real time. The same data is available offline-friendly in the iOS and Android apps.

Question 5

How often is BRP TARLAC LD601's position updated?

Accepted Answer

AIS transponders broadcast position every 2 seconds when underway at high speed and up to every 3 minutes at anchor. The position you see refreshes whenever the ship is in range of a coastal AIS receiver or a satellite pass — typically seconds in coastal waters and minutes offshore.

Question 6

What class is BRP TARLAC LD601?

Accepted Answer

As a military ops, BRP TARLAC LD601 sits in the same design class as the other military opss listed in the Similar Vessels section of the vessel page, or in the full military ops directory at /vessel-type/military-special.

BRP TARLAC LD601 — Military Ops · IMO 9745639

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