Public Vessel Record
KV BISON
ex BOA BISONCall sign LDPN
- Type
- AHTS
- Lifecycle
- Active
- Flag
- Norway
- Built
- 2014
- Class
- DNV
KV BISON (IMO 9544413) is an AHTS built 2014, Norway-flagged, DNV-classed.
285 t
Bollard pull (BP)
30,400 hp
BHP
DP Class 2
DP class
3,863 t
Deadweight (DWT)
How verification works12 of 18 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
1a1, ice c, tug, supply vessel, oilrec, sf, e0, fire fighter -i+ii, dynpos- autr, clean design, naut- osv, comf-v(3) c(3), t- mon, bis, dk(+), hl (2.8)[4]
Reference databaseReport02 — Ownership & build
03 — Hull & capacity
04 — Propulsion & performance
05 — Capability
06 — Deck & accommodation
07 — Class-notation capabilities
Condition Monitoring
Condition monitoring
Class notation
Dynamic Positioning
DP Class 2
Class notation
Ice Class
DNV ICE-C
Class notation
Oil Recovery
Recovery-capable
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 (7)
Data updated
- 1Owner / operator company websitehttps://www.boa.no/our-fleet/boa-bison ↗
- 2Maritimt Magasin — shipping magazinehttps://maritimt.com ↗
- 3Norwegian Ship Registers NOR/NIS — Sjøfartsdirektoratethttps://skipssok.sdir.no ↗
- 4Commercial reference databases (not individually named)grouped category; individual databases are not publicly named
- 5
- 6Refvik (published)https://www.refvik.info/OSV/Offshore-Design-History-book-June-2025.pdf ↗
- 7Skipsrevyen — shipping magazinehttps://www.skipsrevyen.no ↗
Source labels show provenance, not endorsement or certification. Reference only; verify before use. See About this experiment.