Public Vessel Record
SUBSEA 204
Call sign D6A4096
- Type
- AHTS
- Lifecycle
- Active
- Flag
- Comoros
- Built
- 2011
- Class
- ABS
SUBSEA 204 (IMO 9585390) is an AHTS built 2011, Comoros-flagged, ABS-classed.
68 t
Bollard pull (BP)
5,150 hp
BHP
DP Class 1
DP class
1,135 t
Deadweight (DWT)
How verification works0 of 19 specs from a primary source or corroborated beyond the reference databases
Primary sourceIndependent sourceReference databaseDerivedCorroborated = two or more sources agreeHow we rank sources
Class / registryOwner doc.Cross-sourcePublished ref.Single ref.No source
01 — Identification
Class notation
a1, towing vessel, ah, fire fighting vessel class 1, offshore support vessel, ams, dps-1 service restriction: unrestricted service[1]
Reference databaseReport02 — Ownership & build
03 — Hull & capacity
04 — Propulsion & performance
05 — Capability
06 — Deck & accommodation
07 — Class-notation capabilities
Dynamic Positioning
DP Class 1
Class notation
Fire-fighting (FiFi)
FiFi 1
Class notation
Normalized from the vessel's class notation across societies — a DNV DYNPOS-AUTR, ABS DPS-2 and LR DP(AA) all read as DP Class 2. Provenance follows the class-notation source.
Sources cited (3)
Data updated
- 1Commercial reference databases (not individually named)grouped category; individual databases are not publicly named
- 2
- 3Refvik (published)https://www.refvik.info/OSV/Offshore-Design-History-book-June-2025.pdf ↗
Source labels show provenance, not endorsement or certification. Reference only; verify before use. See About this experiment.