FS2004/FSX – SIAR Scottish Airways Boeing 747-400M. Painted with the fictional airline SIAR Scottish Airways 1980s-2000s livery. The airline is the Scottish flag carrier, flying the Boeing 747 internationally to destinations across Africa, America and Asia. The fictional registration is G-PBMA. For Project Open Sky B747-400M RR model included. By Alistair Galbraith.