Hoverspeed Great Britain: Transatlantic challenge 1990 [Press pack containing news release announcing company's challenge for the Hales trophy; information sheet comparing ship's dimensions with Nelson's Column; publicity photographs for the Hales trophy challenge; brochure for Portsmouth Naval heritage project; Brochure and timetable for SeaCat cross channel travel 1990; two brochures and annual report 1988-1989 for Sea Containers Ltd]