Seven Kestrel

Builder / year

Hyundai Heavy Industries, Ulsan / 2017

Length × beam

125.4 × 24 m

Operating draught

7 m

Gross tonnage

13,199 GT

Working deck

1,038 m²

Deck strength

10 t/m²

Deck cargo limit

1,000 t, 4.5 m above deck

Berths

110, plus 18 in saturation

Saturation capacity

18 divers

Saturation depth

300 m

Diving bells

Two; triple-winch launch systems

Hyperbaric evacuation

Two 18-person lifeboats

Positioning class

DP3; HIL certification stated

Separate engine rooms

Three

Main engines

Six HiMSEN 9H25/33; 2,700 kW each

Main lift

120 t MacGregor; active heave compensation

Main crane water depth

500 m

Observation ROV

Seaeye Couger; 500 m rating

DRASS saturation system and tubing

T2 Alloys describes an 18-person, twin-bell DRASS system rated to 300 m, with ten independent locks, two transfer-under-pressure compartments and two 18-person hyperbaric lifeboats. The installation used more than 10,000 metres of Tungum tubing.

Undated supplier case study. This documents the supplied configuration, not present condition, stock availability or a current certificate.

AIS identity cross-check

Seven Kestrel — IMO 9679921; MMSI 235103286.

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

Registered owner · Isle of Man register

Subsea 7 Vessel Owner AS holds all 64 registered shares.

The public transcript matches IMO 9679921 and states that its data is current at 00:05 UTC on 18 October 2026. Read through the public register without a login; this is not a certified extract. Registered shareholding does not establish ultimate beneficial ownership.

Manager named in flag register

Subsea 7 International Contracting Limited

The flag register names this company in its manager field, separately from the registered owner. No ISM or beneficial-owner role is inferred.

Flag-register status and identity

Active registration at Douglas, Isle of Man. Registered 25 January 2017; official number 745605; call sign 2HDM7.

Active status is as displayed in the public register on 18 October 2026. The registration date is not an ownership-transfer or independently verified delivery date.

P&I entered owner

Subsea 7 Vessel Owner AS

The IMO-matched public entry places this company under Gard’s P&I Owners heading. This insurance role does not by itself establish registered or beneficial ownership.

Flag recorded by insurer

Isle of Man

Flag as shown in the undated insurer entry reviewed on 18 October 2026; this is not a flag-register extract.

Published operator

Subsea7

Fleet attribution; not a registered-owner certificate.

Group ownership attribution

Remontowa identifies Subsea7 as owner.

Shipyard publication; registered owning entity not specified.

Published insurance entries · 2026–2027

Gard shows BBC, WRC and two MLC certificate categories covering 20 February 2026 to 20 February 2027.

The MLC categories are Standard A2.5.2 and A4.2.1 paragraph 1(b). These are the periods displayed by the insurer, not independently authenticated certificates or a guarantee that cover remains in force.

Published class notation

+1A1 DSV-SAT; DYNPOS AUTRO; CLEAN; SPS

Brochure statement, not current class or survey verification.

Shipyard survey report

Remontowa reports a special survey and diving-equipment service in January–February 2025.

Shipyard account, not a class-register extract or certification-expiry record.

DP digital survey pilot

DNV reported successful remote-verification trials on this vessel covering class and industry DP tests.

Historical pilot report; it does not establish current class status.

Automation, PLC and bell-manhole work

DRASS reports a Denmark campaign involving automation-platform and HMI updates, onboard validation, a PLC health check and supervision of bell-manhole re-machining on Seven Kestrel’s 100-Series diving system.

Reported on 25 March 2026 as recent work; exact work dates are not stated. OEM account, not an independently inspected maintenance log or current class certificate.

Otter hatch decommissioning

Removed protection-structure hatches for TAQA in August 2024 and returned them to Aberdeen.

The close-out report explicitly names Seven Kestrel, its divers and ROV; vessel work is confirmed, not inferred from a company award.

PLC maintenance

DRASS records PLC maintenance for Seven Kestrel in 2018.

Year-only record; detailed work dates unavailable.

Remote-assistance contract

A 2017 remote-assistance contract is listed for Seven Kestrel.

Historical contract; present coverage unconfirmed.