Skip to content
vervigdsv

VESSEL PROFILE · IMO 9739044

Hai Yang Shi You 285

Published capabilities, ownership records and history. Evidence stays attached to every fact.

Open interactive profile 4 sources · 4 evidence records

Published specifications

9 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.

Build yearPublished source
2016
CNOOC Engineering ↗Publication undated · Reviewed 17 Oct 2026
Length overallPublished source
125.75 m

Length overall in official fleet sheet.

Offshore Oil Engineering Co., Ltd. (COOEC) ↗Publication undated · Reviewed 18 Oct 2026
Dynamic positioningPublished source
DP3
CNOOC Engineering ↗Publication undated · Reviewed 17 Oct 2026
Saturation depthPublished source
300 m
CNOOC Engineering ↗Publication undated · Reviewed 17 Oct 2026
Saturation diversPublished source
12

Living chamber capacity.

CNOOC Engineering ↗Publication undated · Reviewed 17 Oct 2026
Bell occupancyPublished source
3 people
CNOOC Engineering ↗Publication undated · Reviewed 17 Oct 2026
Main cranePublished source
NOV 250 t AHC knuckle-boom; 250 t SWL at 14.5 m
CNOOC Engineering ↗Publication undated · Reviewed 17 Oct 2026
Deck areaPublished source
1,590 m²
CNOOC Engineering ↗Publication undated · Reviewed 17 Oct 2026
DraftPublished source
7.7 m

Maximum draught.

CNOOC Engineering ↗Publication undated · Reviewed 17 Oct 2026

Not sourced in this summary: Published operating role, Beam, Bell configuration, Hyperbaric lifeboats (SPHL), Saturation system manufacturer.

Specification research notes

Official COOEC fleet sheet identifies HYSY 285; existing DP3 and 300 m SAT fields remain. Fleet page establishes group ownership, not a separate verified commercial operator; no operator is inferred. Publication date is not derived from the URL.

Supporting capability records

0 records

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

No verified records are available in this section of the collection.

Research coverage & limitations (1)

Detailed diving, lifting and ROV equipment specifications are not yet verified for this vessel. Any listed particulars retain the scope of their cited source.

Checked 17 Oct 2026

Ownership & identity

3 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
9739044
MMSI
413493740

Names in the reviewed record: HYSY 285

Identity reviewed in public vessel listings. Public position snapshots are historical evidence, not a live feed.

vesselfinder.com ↗Publication undated · Reviewed 17 Oct 2026

P&I owner entry

CNOOC Offshore Engineering Solutions Co.

Gard P&I Owners entry; not an independent registered-owner determination.

Gard ↗Publication undated · Reviewed 17 Oct 2026

Vessel identifier review

Hai Yang Shi You 285 · IMO 9739044 · MMSI 413493740

Identity reviewed in public vessel listings. Public position snapshots are historical evidence, not a live feed.

vesselfinder.com ↗Publication undated · Reviewed 17 Oct 2026

Owner and manager in DNV register

DNV lists CNOOC Offshore Engineering Solutions Co., Ltd. as both owner and manager of IMO 9739044.

These are the society’s register roles; beneficial ownership and charter terms are not established here.

DNV ↗Publication undated · Reviewed 18 Oct 2026
Research coverage & limitations (1)

The reviewed identity listing does not establish current registered ownership, beneficial ownership, charterer or operator. See any separately cited role-specific evidence.

Checked 17 Oct 2026

Inspection & class records

1 record

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.

DNV interim classification certificate

Listed in DNV class with DSV(SAT) and DPS(3) notations. The classification certificate is explicitly interim, issued 28 September 2026 and expiring 28 November 2026.

The interim term is material. The displayed dates do not by themselves establish conditions of class, extension or operational readiness.

DNV ↗Applies to 28 Sept 2026 · Publication undated · Reviewed 18 Oct 2026
Research coverage & limitations (1)

A complete inspection history has not been verified. No inference of a clean inspection record or current certification should be made from missing records.

Checked 17 Oct 2026

Project history

0 records

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

No verified records are available in this section of the collection.

Research coverage & limitations (1)

A complete vessel-specific project history has not been verified. Any dated events below are limited to their cited evidence.

Checked 17 Oct 2026