Rolls-Royce has signalled it could manufacture its next-generation UltraFan engine outside Britain unless the government provides financial support, raising fresh questions about the UK’s commitment to its aerospace industrial strategy. The FTSE 100 engineering group, led by chief executive Tufan Erginbilgic, is seeking to re-enter the highly lucrative market for narrowbody, single-aisle aircraft engines, the fastest-growing segment of global civil aviation. However, it says industrialising the UltraFan platform for this market will require public backing,...










