Because the answer was
Sea Shuttle 1
The following details on Sea Shuttle I have been supplied by Eje Flodstrom:-
Sea Shuttle I is owned by Hydrocruiser Inc and has been employed on various charters over the years. It was built in 1994 by MK Sea Tranportation International, South Africa. It is actually a hydrofoil supported GRP catamaran designed by Teknicraft, then in South Africa but now located in New Zeeland.
1994 Delivered to Competitive Concepts, UK, as SeaShuttle I, flag: Belize (temporarlily named Sea Shuttle Seattle).
1994 Demonstrated on Nynäshamn-Visby, Sweden. Too small.
1994 Leased (3 months) to Trans Baltic Line, Estonia, marketing name Sukkula, operated Tallinn-Helsinki.
1994 Leased (1 month) to Schiffahrtskontor Altes Land, Germany, marketing name EC Jet (Elbe City Jet).
1995 Leased (1 year) to Vapores de Pasaje, Spain, in traffic Vigo-Cangas, marketed as Vigo Jet.
1996 Leased to Transportes Maritimos Azorianos (Transmacor), Azores, marketed as Tri Jet.
1998 leased to Cape Balear, traffic Menorca-Ibiza, marketed as Menorca Jet (unconfirmed). Lease terminated when owner, MK International, "hijacked" the vessel from Cape Balear.
2000 Leased (4 months) to Emeraude Lines/Air France for traffic Nice Airport - Cannes & St Tropez.
2001 Back in same traffic, owner Hydrocruiser Inc.