vesselspecification.comPublic vessel records

YOKOSUKA

IMO8711019Call sign JCOY

Type: Subsea
Lifecycle: Active
Built: 1990
Class: ClassNK

YOKOSUKA (IMO 8711019) is a Subsea built 1990, ClassNK-classed.

5,100 hp

BHP

105 m

Length o.a.

How verification worksSix tiers · strongest to weakest

Class / registryOwner doc.Cross-sourcePublished ref.Single ref.No source

01 — Identification

IMO number

8711019

Class / registry

Vessel type

Subsea[2]

Single ref.

Flag

Not yet documented

No source

Year built

1990[2]

Single ref.

Classification

Class / registry

Class notation

nkresearch ship/support ship for submersible[2]

Single ref.

02 — Ownership & build

Owner

Not yet documented

No source

Operator / manager

Not yet documented

No source

Builder

455[2]

Single ref.

P&I club

Not yet documented

No source

Call sign

JCOY[2]

Single ref.

03 — Hull & capacity

Length overall

105 m[2]

Published ref.

Beam

16 m[2]

Single ref.

Draft

5 m[2]

Published ref.

Moulded depth

Not yet documented

No source

Deadweight (DWT)

Not yet documented

No source

Gross tonnage (GT)

4,439 GT[2]

Published ref.

04 — Propulsion & performance

Total power

Not yet documented

No source

BHP

5,100 hp[2]

Single ref.

Bollard pull (BP)

Not yet documented

No source

05 — Capability

DP class

Not yet documented

No source

FiFi

FiFi 1[2]

Single ref.

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Sources cited (2)

Data updated 25 Jul 2026

1
IACS — Vessels in Class public register
https://iacs.org.uk/membership/vessels-in-class ↗
2
Cleared reference sources — grouped category
aggregated; individual sources not publicly named

Source labels show provenance, not endorsement or certification. Reference only; verify before use. See About this experiment.