Public Vessel Record
AMARANTA
ex ARK TZECall sign 50RF
- Type
- AHTS
- Lifecycle
- Active
- Flag
- Nigeria
- Built
- 2009
- Class
- DNV
AMARANTA (IMO 9418767) is an AHTS built 2009, Nigeria-flagged, DNV-classed.
120 t
Bollard pull (BP)
10,880 hp
BHP
DP Class 2
DP class
2,319 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, (+) accu, (+) dps-2, bp 120 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 2
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.