Sea Helix 1 - IMO:9733454

4.6
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Ratings & Reviews

4.6
Ratings
  • Accommodation
    5
  • Downtime Facilities
    5
  • Food & Drink
    5
  • Onboard Wifi
    3
  • Cleanliness
    5

Sea Helix 1 Vessel Specification

SEA HELIX 1 (IMO: 9733454) is a Drill Ship that was built in 2016 and is sailing under the flag of Bahamas. Her carrying capacity is 12,500 tonnes and her current draught is reported to be 8 meters. Her length overall (LOA) is 158.59 meters and her width is 36.8 meters.

  • Vessel Name: 
    Sea Helix 1
  • Vessel Call Sign: 
    C6BT9
  • Flag: 
    Bahamas
    Bahamas
  • AIS Transponder Class: 
    Class A
  • Vessel IMO: 
    9733454
  • Vessel MMSI: 
    311000363
  • Type: 
    Drill Ship

Vessel Facilities

  • TV Room
  • Gym
  • Sauna
Sea Helix 1
Effective May 2026, Siem Offshore officially rebranded as SEA1 Offshore AS, a milestone corporate identity shift that directly prompted the renaming of this specialized subsea vessel from Siem Helix 1 to SEA1 Helix 1.
 
 
This comprehensive name change reflects the company's evolving strategic focus within the offshore marine industry, yet the vessel continues its critical deepwater well intervention operations under the same technical management and long-term charter agreements.
 
 
Recommended Reviews
4.6
Based on 1 reviews
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Review Breakdown

Reviews are broken down over 5 key criteria suggested by our members.
  • Accommodation:
    5
  • Downtime Facilities:
    5
  • Food & Drink:
    5
  • Onboard Wifi:
    3
  • Cleanliness:
    5
SeaSpyder
Brazil
4.6
21 Jun 2025
Probably the nicest vessel I've ever been on. Good crew, good food, good cabins, and good facilities (gym, sauna, a few TV rooms), also a nice changing room for deck workers. I'm yet to see a better one.

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