DS Mermaid Commander

Published specifications

11 particulars

Source dates describe the evidence, not current certification or operational availability. Operating roles may be historical. Reference-only screenshot figures and ratings are not used in this summary.

Published operating roleCatalogue source: DS Global
Build yearPublished source: 1987
Length overallPublished source: 91.1 m
Dynamic positioningPublished source: DP2
Saturation depthPublished source: 300 m
Saturation diversPublished source: 16
Bell configurationPublished source: Twin bell
Hyperbaric lifeboats (SPHL)Published source: Self-propelled hyperbaric lifeboat
Main cranePublished source: 60 t
Deck areaPublished source: 480 m²
DraftPublished source: 6.5 m

Not sourced in this summary: Beam, Bell occupancy, Saturation system manufacturer.

Specification research notes

Historical branded specification, visibly updated December 2018 and exact IMO 8601513, was publicly rehosted on Scribd; source document text used, not AI summary. SAT 300 m is historical and not proof after 2026 reactivation. An iJetty listing says 230 m and is retained as a conflict in the audit, not silently reconciled. Beam also differs between sources, so not normalized. Existing DS Global operator retained.

Supporting capability records

11 records

Published design and equipment particulars are evidence of the source configuration, not a current certificate or availability guarantee.

Build year

1987

Gard ↗Publication undated · Reviewed 17 Oct 2026

Gross tonnage

4,294 GT

Gard ↗Publication undated · Reviewed 17 Oct 2026

Insurer-listed deadweight

2,506 t

Gard ↗Publication undated · Reviewed 17 Oct 2026

Legacy dynamic positioning

DP2

Legacy Mermaid Commander configuration; capability after the 2026 reactivation has not been independently confirmed.

Mermaid Maritime ↗Publication undated · Reviewed 17 Oct 2026

Legacy saturation capacity

16 divers

Legacy Mermaid Commander configuration; capability after the 2026 reactivation has not been independently confirmed.

Mermaid Maritime ↗Publication undated · Reviewed 17 Oct 2026

Legacy diving bells

Twin-bell saturation system

Legacy Mermaid Commander configuration; capability after the 2026 reactivation has not been independently confirmed.

Mermaid Maritime ↗Publication undated · Reviewed 17 Oct 2026

Legacy evacuation provision

Self-propelled hyperbaric lifeboat

Legacy Mermaid Commander configuration; capability after the 2026 reactivation has not been independently confirmed.

Mermaid Maritime ↗Publication undated · Reviewed 17 Oct 2026

Legacy main crane

60 t

Legacy Mermaid Commander configuration; capability after the 2026 reactivation has not been independently confirmed.

Mermaid Maritime ↗Publication undated · Reviewed 17 Oct 2026

Legacy accommodation

90 people on operator fleet page

Legacy Mermaid Commander configuration; capability after the 2026 reactivation has not been independently confirmed. The 2014 presentation instead listed 87 berths.

Mermaid Maritime ↗Publication undated · Reviewed 17 Oct 2026

Historical air-diving capability

Air diving alongside saturation operations

Legacy Mermaid Commander configuration; capability after the 2026 reactivation has not been independently confirmed.

Mermaid Maritime ↗Applies to 2014 · Publication undated · Reviewed 17 Oct 2026

Historical ROV capability

ROV support listed with diving spread

Legacy Mermaid Commander configuration; capability after the 2026 reactivation has not been independently confirmed.

Mermaid Maritime ↗Applies to 2014 · Publication undated · Reviewed 17 Oct 2026

Research coverage & limitations (1)

Detailed specifications available are for the former Mermaid Commander. Post-reactivation equipment, crane limits, diving certification and accommodation need a current vessel sheet; old capabilities are labelled as legacy.

Checked 17 Oct 2026

Ownership & identity

9 records

Registered owner, group owner, operator, manager and P&I entered owner are different roles. Each record retains the role and date stated by its source.

Vessel identity

IMO number: 8601513
MMSI: 352006770

Names in the reviewed record: Mermaid Commander

Mermaid announced the DS Global reactivation JV and rename in June 2026. Recent AIS-provider listings show new MMSI 352006770. Do not subscribe to historical MMSI 352474000; legacy URLs may retain it. Current identity is DS Mermaid Commander, IMO 8601513, MMSI 352006770, corroborated by Vesseltracker and MagicPort. The screenshot and older MyShipTracking profile use former MMSI 352474000. The historical coordinate report belongs to the same IMO but predates the 2026 reactivation/renaming; it does not locate the vessel today.

vesseltracker.com ↗Publication undated · Reviewed 17 Oct 2026

AIS identity cross-check

DS Mermaid Commander — IMO 8601513; MMSI 352006770.

Public provider identity listing. Review date is not an AIS observation date, ownership confirmation or current certification.

Vesseltracker ↗Publication undated · Reviewed 17 Oct 2026

P&I entered owner

Mermaid Subsea Services (Thailand) Ltd.

Role is the owner named under Gard’s P&I entry, not an independently verified registered or beneficial owner.

Gard ↗Publication undated · Reviewed 17 Oct 2026

Insurer-listed flag

Panama

Gard ↗Publication undated · Reviewed 17 Oct 2026

Announced operating / investment vehicle

DS Mermaid Pte. Ltd., Singapore

The later August report still described vessel transfer as expected in Q3 2026; this fact is not proof that legal transfer completed.

Mermaid Maritime / SGX ↗Applies to 5 Jun 2026 · Published 5 Jun 2026 · Reviewed 17 Oct 2026

Announced JV interests

50% Mermaid Subsea Services (Thailand) Ltd.; 50% DS Global Offshore Engineering Singapore Pte. Ltd.

Mermaid Maritime / SGX ↗Applies to 5 Jun 2026 · Published 5 Jun 2026 · Reviewed 17 Oct 2026

Reactivation and ship-management role

DS Global Offshore Engineering Singapore Pte. Ltd.

DS Global was to fund repairs and provide ship-management services in exchange for its JV interest; it is not described as sole vessel owner.

Mermaid Maritime / SGX ↗Applies to 5 Jun 2026 · Published 5 Jun 2026 · Reviewed 17 Oct 2026

Vessel-transfer status in August report

Transfer to DS Mermaid Pte. Ltd. expected during Q3 2026

Forward-looking statement; subsequent completion was not verified.

Mermaid Maritime / SGX ↗Applies to 11 Aug 2026 · Published 11 Aug 2026 · Reviewed 17 Oct 2026

Owner in RINA Register Book

RINA lists DS Mermaid Commander, IMO 8601513, with owner Mermaid Subsea Services (Thailand) Ltd, Panama flag and callsign 3E9555.

Monthly Register Book entry, reviewed on 18 October 2026. The owner field is not a beneficial-ownership analysis.

RINA ↗Publication undated · Reviewed 18 Oct 2026

Former names recorded by RINA

The same IMO record lists Mermaid Commander, CSO Marianos and Stena Marianos as former names.

Names are historical identifiers for this hull; they do not establish current charter or project activity.

RINA ↗Publication undated · Reviewed 18 Oct 2026

Research coverage & limitations (1)

The new 50:50 JV and intended vessel contribution are public, but the August 2026 report still treats transfer as expected. A completed transfer and current registered title were not verified; Gard’s entered owner is an insurance role.

Checked 17 Oct 2026

Inspection & class records

5 records

These are historical records within each source’s coverage. Missing records are not a clean bill of health, and class descriptions do not prove current certification.

RINA entry and class-start dates

The register gives 16 July 2026 for both first entry and class starting date, with RINA number 108877. Additional notations include DYNAPOS DP2, HELIDECK and SPS.

This supplies a dated RINA entry alongside older DNV descriptions. It does not establish a precise withdrawal date from another society or current saturation-system certification.

RINA ↗Applies to 16 Jul 2026 · Publication undated · Reviewed 18 Oct 2026

Published insurance documents

BBC, WRC and MLC certificates: 6 July 2026–20 February 2027

Dates displayed by the insurer at review. This is insurance evidence, not a port-state inspection, class survey or guarantee of continuing cover.

Gard ↗Applies to 6 Jul 2026 · Publication undated · Reviewed 17 Oct 2026

Incident Investigation

USCG zone/port: WASHINGTON, District of Columbia. Case status: Closed / Agency Action Complete.

USCG activity 136356; vessel matched by IMO 8601513. USCG zone/port is an administrative field, not a verified incident location. The API gives an activity start date; this is not a current certificate or a complete worldwide inspection history.

United States Coast Guard ↗Applies to 14 Mar 1998 · Publication undated · Reviewed 17 Oct 2026

Vessel Inspection

USCG zone/port: New Orleans, Louisiana. Case status: Closed / Agency Action Complete.

USCG activity 409387; vessel matched by IMO 8601513. USCG zone/port is an administrative field, not a verified incident location. The API gives an activity start date; this is not a current certificate or a complete worldwide inspection history. The deficiency endpoint returned no entries for this activity.

United States Coast Guard ↗Applies to 30 Oct 1997 · Publication undated · Reviewed 17 Oct 2026

Insurer-listed class

Registro Italia

Gard’s current listing differs from legacy operator DNV information; the class-transfer date and certificates were not established.

Gard ↗Publication undated · Reviewed 17 Oct 2026

Research coverage & limitations (2)

Gard lists Registro Italia while the legacy operator page says DNV. No dated class-transfer report, post-reactivation survey findings or full port-state-control history was obtained from these sources.

Checked 17 Oct 2026

This is a snapshot of dated USCG activity records. Private eCMID/OVID reports, current class-survey status and worldwide inspection coverage have not been verified.

USCG PSIX public API ↗

Checked 17 Oct 2026

Project history

3 records

Vessel-specific events and contextual project records retain their dates and limitations. A regional contract award alone does not establish vessel employment.

Reactivation and new name

Reactivation completed; renamed DS Mermaid Commander

Confirmed in the 11 August 2026 report; exact completion and renaming dates were not provided.

Mermaid Maritime / SGX ↗Applies to 2026 · Published 11 Aug 2026 · Reviewed 17 Oct 2026

Thailand construction support extension

Commander assigned to a contract extended through December 2017

Announced extension of a 2015–2016 campaign; future work and completion were not confirmed by this release.

Mermaid Maritime ↗Applies to 27 May 2016 · Published 27 May 2016 · Reviewed 17 Oct 2026

Brazil installation campaign

Saturation, air-diving and ROV work for Petrobras through Global Industries Brazil

The company release dated 9 June states work was in progress; the website publication date is 10 June 2009.

Mermaid Maritime ↗Applies to 9 Jun 2009 · Published 10 Jun 2009 · Reviewed 17 Oct 2026

Research coverage & limitations (1)

Historical Brazil and Thailand assignments are documented. A post-reactivation client, field and commercial start date were not established by the reviewed announcement or results.

Checked 17 Oct 2026

Published specifications

Supporting capability records

Build year

Gross tonnage

Insurer-listed deadweight

Legacy dynamic positioning

Legacy saturation capacity

Legacy diving bells

Legacy evacuation provision

Legacy main crane

Legacy accommodation

Historical air-diving capability

Historical ROV capability

Ownership & identity

Vessel identity

AIS identity cross-check

P&I entered owner

Insurer-listed flag

Announced operating / investment vehicle

Announced JV interests

Reactivation and ship-management role

Vessel-transfer status in August report

Owner in RINA Register Book

Former names recorded by RINA

Inspection & class records

RINA entry and class-start dates

Published insurance documents

Incident Investigation

Vessel Inspection

Insurer-listed class

Project history

Reactivation and new name

Thailand construction support extension

Brazil installation campaign

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