Design: LMG 430-FSO Type: FSO
Name: Ailsa Owner: Modec
Year built: 2018 Yard / no: Sembcorp Marine / 1120
Length over all: 243.2 m Beam: 42.0 m
Depth: 21.6 m Speed: n/a
Scope of work: Initial & basic design


Ailsa is a turret moored offloading & storage vessel operated by Total on the Culzean field in British sector in the North sea. The vessel is owned by Modec and delivered by Sembcorp Marine, Singapore, in 2018.


  • Turret moored
  • Extended fatigue life


  • Storage capacity: 430 000 bbl.


DNVGL +1A1 Ship-shaped or Floating Offshore Oil Storage Installation, Offloading, OPP-F, FMS(40), POSMOOR, Crane, BIS, HELDK-SH, HMON(A2, G4, L7, M1), Recyclable, ECO