Public Vessel Record
OSTREIRO
ex FOCAL 556 08 MARIDIVE ZOHRCall sign PU4504
- Type
- PSV
- Lifecycle
- Active
- Flag
- Brazil
- Built
- 2016
- Class
- LR
View the original spec sheet
Owner-published PDF source
OSTREIRO (IMO 9787429) is a PSV built 2016 by Poet (china) Shipbuilding & Engineering Co Ltd, Brazil-flagged, LR-classed.
4,998 hp
BHP
DP Class 2
DP class
3,503 t
Deadweight (DWT)
76 m
Length o.a.
How verification works13 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
lloyd`s+100 a1, lmc, ums, dp(am) offshore support vessel[3]
Reference databasecorroboratedReport02 — Ownership & build
03 — Hull & capacity
04 — Propulsion & performance
05 — Capability
06 — Deck & accommodation
07 — Class-notation capabilities
Dynamic Positioning
DP Class 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 (6)
Data updated
- 1Owner spec sheet (PDF)https://www.tdw.com/wp-content/uploads/2026/09/PSV_Ostreiro_Tidewater_Final.pdf ↗
- 2IACS — Vessels in Class public registerhttps://iacs.org.uk/membership/vessels-in-class ↗
- 3Commercial reference databases (not individually named)grouped category; individual databases are not publicly named
- 4
- 5Refvik (published)https://www.refvik.info/OSV/Offshore-Design-History-book-June-2025.pdf ↗
- 6
Source labels show provenance, not endorsement or certification. Reference only; verify before use. See About this experiment.