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Welcome to ABL Group

Longitude is the design and engineering arm of ABL Group - a global and independent consultancy delivering marine, energy, engineering and software solutions to drive safety and sustainability in renewables, maritime and oil & gas sectors. ABL Group operates across 43 countries worldwide.

About ABL Group
ABL Group Companies:

Proper Marine

Longitude's division in Brazil - specialists in naval architecture and offshore engineering.

View Website

ABL

The energy and marine consultants, delivering technical services to support offshore energy and maritime sectors at construction, operations, decommissioning and in marine casualty scenarios.

View Website

AGR

Engineering consultancy, skills resourcing, survey and software provider, specialising in wells, subsurface, and marine operations.

View Website
OWC - An ABL Group Company

OWC

The renewable energy consultants - providing technical advisory, engineering and consulting for the commercial-scale development of renewable energy onshore and offshore.

View Website
Longitude
An ABL Group Company Group Overview
Menu
  • About Us
  • Sectors
    • Oil & Gas
    • Renewables
    • Defence
    • Commercial Maritime
    • Infrastructure
  • Services
    • Column One
      • Marine Operations Engineering
        • Offshore Installation
        • Module Transportation
        • Wind Farm Installation
        • Decommissioning
        • Site Specific Assessment (SSA)
        • Moorings, Umbilicals, Risers & Pipelines
        • Cable Installation
      • Site Investigations
        • Cable & Pipeline Risk
        • Site Characterisation
        • Survey Management
        • Seabed Morphology
        • Metocean Analysis
    • Column Two
      • Marine Design, Upgrade & Conversion
        • OSD-IMT: Vessel Design
        • Floating Production Systems
        • Jack-Up and Floating Rigs
        • Small Craft
        • Ships
        • Maritime Civil Engineering
        • Fixed Structures
        • Geotechnical Design
      • Advanced Analysis & Simulation
        • Computational Fluid Dynamics
        • Advanced Finite Element Analysis
        • Multibody Hydrodynamics
        • Dynamic Simulations
    • Column Three
      • Clean Shipping
        • Ballast Water Systems
        • Exhaust Gas Emissions Management
        • Hybrid Propulsion Systems
  • Our People
  • Our Offices
  • Case Studies
  • News
  • Careers
  • Contact Us
Home / Commercial Maritime

Case Studies


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Sector

  • Oil & Gas
  • Renewables
  • Defence
  • Commercial Maritime
  • Infrastructure

SERVICES

  • Vessel Design / OSD-IMT
  • Marine Operations Engineering
  • Site Investigations
  • Advanced Analysis & Simulations
  • Marine Design, Upgrade & Conversion
  • Clean Technologies
  • Geotechnical Design
  • Decommissioning
  • Site Specific Assessment (SSA)
  • Moorings, Risers & Pipelines
  • Maritime Civil Engineering
  • Piles, Jackets & Subsea
  • Jack-Up Rigs
  • Cable & Pipeline Risk
  • Seabed Morphology
  • Module Transportation

Sector: Commercial Maritime Oil & Gas Renewables

Services: Vessel Design / OSD-IMT

IMT-Isca Platform Supply Vessel (PSV) Series: G-Flex

The IMT-Isca design series represents the next generation of platform supply vessels (PSVs), evolved from the successful IMT-984 or G-Class series, with a focus on efficiency and low-fuel consumption,…


Sector: Oil & Gas Renewables Defence Commercial Maritime

Services: Vessel Design / OSD-IMT Marine Design, Upgrade & Conversion

Hybrid Standby Safety Vessel OSD-IMT951

Principle Characteristics L.O.A.: 50.70 m L.B.P.: 47.40 m Breadth mld.: 13.00 m Depth: 6.00…


Sector: Commercial Maritime

Services: Vessel Design / OSD-IMT Marine Design, Upgrade & Conversion OSD-IMT: Vessel Design

RO-RO CARGO VESSEL OSD-IMT4301

Principal Characteristics L.O.A.: 35.92 m L.B.P.: 33.00 m Beam mld.: 8.00 m Depth mld.: 3.80 m Design Draught: 2.50 m Deadweight…


Sector: Commercial Maritime

Services: Vessel Design / OSD-IMT Marine Design, Upgrade & Conversion OSD-IMT: Vessel Design

FISHERIES PATROL VESSEL OSD-IMT218

Principal Characteristics Length O.A.: 15.60 m Length B.P.: 15.32 m Beam Mld.: 4.40 m …


Sector: Commercial Maritime

Services: Vessel Design / OSD-IMT Marine Design, Upgrade & Conversion OSD-IMT: Vessel Design

OSD-IMT324 STERN TRAWLER

Principal Characteristics Length O.A.: 25.12 m Length B.P.: 24.00 m Beam: 8.00 m Depth, 01 Main Deck at Side: 6.53 m …


Sector: Commercial Maritime

Services: Vessel Design / OSD-IMT Marine Design, Upgrade & Conversion OSD-IMT: Vessel Design

TWIN RIG STERN TRAWLER OSD-IMT344

Principal Characteristics Length O.A.: 444 m Length B.P.: 37 m Beam Mld.: 11 m …


Sector: Commercial Maritime

Services: Vessel Design / OSD-IMT Marine Design, Upgrade & Conversion OSD-IMT: Vessel Design

PASSENGER/VEHICLE FERRY OSD-IMT449

Principal Characteristics Length O.A.: 49.60 m Length B.P.: 43 m Beam Mld.: 11.40 m …


Sector: Commercial Maritime

Services: Vessel Design / OSD-IMT Marine Design, Upgrade & Conversion OSD-IMT: Vessel Design

Landing Craft Ferry OSD-IMT435

Principal Characteristics Length O.A.: 35 m Length B.P.: 30 m Beam Mld.: 3.50 m …


Sector: Commercial Maritime Oil & Gas Renewables

Services: Vessel Design / OSD-IMT Marine Design, Upgrade & Conversion OSD-IMT: Vessel Design

80 m SD Multipurpose Vessel

AHTS, Supply Vessel, Standby Rescue Vessel, Light Construction Vessel, Fire Fighting Ship, Tug. Principal Characteristics L.O.A.: 80.09 m Lpp: 75.63 m Breadth Moulded: 16.50…


Sector: Oil & Gas Renewables Commercial Maritime

Services: Vessel Design / OSD-IMT Marine Design, Upgrade & Conversion OSD-IMT: Vessel Design

3000 CM AGGREGATE TRAILING SUCTION HOPPER DREDGER OSD-IMT8101

Principal Characteristics L.O.A.: 105.60 m Beam mld.: 16.40 m Depth mld.: 9.25 m Design…



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