JMc ² SUBSEA

DSV FLEET INTELLIGENCE

Global Dive Support Vessel Tracker
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57
Fleet
56
Tracked
7
Regions

DRASS Partner Access

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Vessel Owner / BB Charterer Operator MMSI Built Flag Region Tier Note
Tier Sort Owner Sat System
ComparisonSelect vessels using checkboxes, then compare side-by-side.

Select a vessel to view full specs and locate on the fleet map.

Ledger

Owners' money decisions: published prices, each owner's own hurdle rate, and what the decision implied. Access is by password.

© 2026 JMc². All rights reserved. Confidential: for invited readers only, under a personal, time-limited pass. A workshop: work in progress, not advice.

VTrack

One noon fix per ship per day since 12 August 2026, drawn on the chart and played back. Gaps stay gaps. Between two noons the line follows her six-hourly fixes where we hold them (from 19 October 2026) and is inferred through water where we do not. Export records the sheet in your browser and saves a video.

Name ships

© 2026 JMc². All rights reserved. VTrack and the record behind it are the original work and intellectual property of JMc². The positions are AIS broadcasts and are cited as such. The record built from them, and the field matching, stop and port naming, bell-depth reading, lanes, routing, charts, tools and text, are original work protected by copyright and database right. You may view it, and share one ship's sheet or a video exported from it with credit to DSV-Fleet.com. Do not copy, scrape, download in bulk, republish or resell the record or its data, in any form, without the written permission of JMc². Nothing here is commercial or investment advice.

1. Vessel positions - commercial AIS feed

Through the dayLicensedAIS
Positions come from a commercial AIS service, collected through this site's own server and logged in a daily snapshot. AIS shows where a vessel is, her status and what her crew has entered in the destination box.

2. Fields and ports - outlines checked by hand

Public sourcesCorrected as found
Field and port outlines are built from public sources and corrected when a vessel or a reader shows them wrong. Where we hold no outline, a working vessel reads as on passage, and we say so.

3. The map

Base map
Map data © OpenStreetMap contributors. Map tiles © CARTO.
openstreetmap.org/copyright · carto.com/attributions

4. Metocean - wind, air and sea temperature

NOAAPublic data
Wind and air temperature from NOAA's GFS global model, served by PacIOOS ERDDAP. Sea surface temperature from NOAA Coral Reef Watch CoralTemp, served by NOAA CoastWatch.
pacioos.hawaii.edu/erddap · coralreefwatch.noaa.gov

5. Vessel facts

GradedDated
Class society registers, owner, builder and operator publications, company accounts and filings, court and maritime authority records, and trade press. Published claims are graded as fact or inference, with the source kept on file.

6. Readers

First handCorrections welcome
Corrections and first-hand accounts from the people who work on these vessels. A correction is credited by fixing the site. No one is named without their agreement.