Nowadays, the name Ryanair conjures up images in the mind of the Irish low-cost carrier's blue-tailed aircraft adorned with the airline's distinctive golden harp design. According to data from ch-aviation, the Ryanair Group has well over 500 Boeing 737s at its disposal across all variants, with some of these flying for its various subsidiary airlines. Yet, did you know that it also used to fly the BAC 1-11?