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SEA HELIX 1

IMO9733454Call sign C6BT9
Type
Well Intervention
Lifecycle
Active
Flag
Bahamas
Built
2016
Class
DNV
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SEA HELIX 1 (IMO 9733454) is a Well Intervention built 2016 by Flensburger Schiffbau-ges. Mbh & Co. Kg, Bahamas-flagged, DNV-classed, owned by Siem Offshore As.

36,000 hp
BHP
DP Class 3
DP class
12,500 t
Deadweight (DWT)
158.65 m
Length o.a.
How verification works16 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

01 — Identification

IMO number
9733454
Primary sourceReport
Vessel type
Well Intervention[9]
Independent sourcecorroboratedReport
Flag
Bahamas[6]
Reference databasecorroboratedReport
Year built
2016[6]
Reference databasecorroboratedReport
Classification
DNV ↗[3]
Primary sourcecorroboratedReport
Class notation
det norske veritas 1a1 ship shaped well intervention unit 2 e0 dynpos autro comf c 3 clean design bis naut osv a ice c dk tmon comf v 2 heldk sh crane[5]
Primary sourcecorroboratedReport

02 — Ownership & build

Owner
Siem Offshore As[9]
Independent sourcecorroboratedReport
Operator / manager
Helix Energy Solutions Group Inc[5]
Reference databaseReport
Builder
Flensburger Schiffbau-ges. Mbh & Co. Kg[5]
Primary sourcecorroboratedReport
Design
salt 307 wiv[7]
Independent sourcecorroboratedReport
P&I club
Not yet documented
No sourceReport
Call sign
C6BT9[6]
Reference databasecorroboratedReport

03 — Hull & capacity

Length overall
158.65 m[1]
Primary sourcecorroboratedReport
Beam
36.8 m[9]
Independent sourcecorroboratedReport
Draft
8.5 m[1]
Primary sourcecorroboratedReport
Moulded depth
13 m[1]
Primary sourcecorroboratedReport
Deadweight (DWT)
12,500 t[1]
Primary sourcecorroboratedReport
Gross tonnage (GT)
22,728 GT[9]
Independent sourcecorroboratedReport

04 — Propulsion & performance

Total power
12,000 kW[1]
Primary sourceReport
BHP
36,000 hp[6]
Independent sourcecorroboratedReport
Bollard pull (BP)
Not yet documented
No sourceReport

05 — Capability

DP class
DP Class 3[1]
Primary sourcecorroboratedReport
FiFi
Not yet documented
No sourceReport

06 — Deck & accommodation

Deck space
3,100 m²[4]
Independent sourcecorroboratedReport
Crane (primary SWL)
300 t[1]
Primary sourcecorroboratedReport
Accommodation
150 pax[1]
Primary sourcecorroboratedReport

07 — Class-notation capabilities

Condition Monitoring
Condition monitoring
Class notation
Crane / Lifting
Certified crane / lifting appliance
Class notation
Dynamic Positioning
DP Class 3
Class notation
Ice Class
DNV ICE-C
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 (9)

Data updated
  1. 1
  2. 2
  3. 3
    IACS — Vessels in Class public register
    https://iacs.org.uk/membership/vessels-in-class ↗
  4. 4
    Maritimt Magasin — shipping magazine
    https://maritimt.com ↗
  5. 5
    Commercial reference databases (not individually named)
    grouped category; individual databases are not publicly named
  6. 6
  7. 7
  8. 8
  9. 9
    Skipsrevyen — shipping magazine
    https://www.skipsrevyen.no ↗

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

Frequently asked

Who owns SEA HELIX 1?

SEA HELIX 1 is owned by Siem Offshore As.

Who built SEA HELIX 1, and when?

SEA HELIX 1 was built by Flensburger Schiffbau-ges. Mbh & Co. Kg in 2016.

What is SEA HELIX 1's IMO number?

SEA HELIX 1's IMO number is 9733454.

What is SEA HELIX 1's length?

SEA HELIX 1 has an overall length of 158.65 m (520.5 ft).

What is SEA HELIX 1's deadweight?

SEA HELIX 1 has a deadweight of 12,500 t (13,778.9 short tons).

What is SEA HELIX 1's deck area?

SEA HELIX 1 has a clear deck area of 3,100 m² (33,368 ft²).

What DP class is SEA HELIX 1?

SEA HELIX 1 is a DP Class 3 vessel.